Merge pull request #3445 from Multiverse/chore/26.1.2-platform

Update platform upload version list to include 26.1.2

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: Multiverse
+open_collective: multiverse-plugins

.github/workflows/generic.checkstyle.yml

@@ -11,9 +11,9 @@ jobs:
       pull-requests: write
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
-      - uses: dbelyaev/action-checkstyle@v0.8.4
+      - uses: dbelyaev/action-checkstyle@v3
         continue-on-error: true
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/generic.platform_uploads.yml

@@ -107,9 +107,9 @@ jobs:
         files: '["${{ github.workspace }}/${{ inputs.plugin_name }}-${{ steps.release-info.outputs.tag_name }}.jar"]'
         name: ${{ steps.release-info.outputs.tag_name }}
         changelog: ${{ steps.release-artifact.outputs.body }}
-        game_versions: 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2
+        game_versions: 26.1.2, 26.1.1, 26.1, 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2
         version_type: ${{ steps.parse-release-type.outputs.release_type }}
-        loaders: bukkit, spigot, paper
+        loaders: bukkit, spigot, paper, purpur
         dependencies: ${{ inputs.modrinth_dependencies }}
 
     - name: Upload to DBO
@@ -121,7 +121,7 @@ jobs:
         changelog: ${{ steps.release-artifact.outputs.body }}
         changelog_type: markdown
         display_name: ${{ steps.release-info.outputs.tag_name }}
-        game_versions: 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2
+        game_versions: 26.1.2, 26.1.1, 26.1, 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2
         release_type: ${{ steps.parse-release-type.outputs.release_type }}
         project_relations: ${{ inputs.dbo_project_relations }}
         file_path: ${{ github.workspace }}/${{ inputs.plugin_name }}-${{ steps.release-info.outputs.tag_name }}.jar
@@ -136,5 +136,5 @@ jobs:
         channel: ${{ steps.parse-release-type.outputs.release_type }}
         files: '[{"path": "${{ github.workspace }}/${{ inputs.plugin_name }}-${{ steps.release-info.outputs.tag_name }}.jar", "platforms": ["PAPER"]}]'
         description: ${{ steps.release-artifact.outputs.body }}
-        platform_dependencies: '{"PAPER": ["1.18.2-1.21.5"]}'
+        platform_dependencies: '{"PAPER": ["1.18.2-26.1.2"]}'
         plugin_dependencies: ${{ inputs.hangar_plugin_dependencies }}

README.md

@@ -9,10 +9,9 @@
 
 [![Release](https://img.shields.io/github/v/release/multiverse/multiverse-core)](https://github.com/Multiverse/Multiverse-Core/releases/latest)
 [![Pre-Release](https://img.shields.io/github/v/release/multiverse/multiverse-core?include_prereleases&label=Pre-release)](https://github.com/Multiverse/Multiverse-Core/releases)
-[![Discord](https://img.shields.io/discord/325459248047980545?label=discord&logo=discord)](https://discord.gg/NZtfKky)
-[![Support us on Patreon](https://img.shields.io/badge/donate-patreon-white?logo=patreon)](https://patreon.com/dumptruckman)
-[![License](https://img.shields.io/github/license/Multiverse/Multiverse-Core?color=blue)](LICENSE.md)
-
+[![Discord](https://img.shields.io/discord/325459248047980545?label=Discord&logo=discord)](https://discord.gg/NZtfKky)
+[![Donate on Github Sponsor](https://img.shields.io/badge/Github%20Sponsor-Donate-pink?logo=githubsponsors)](https://github.com/sponsors/Multiverse)
+[![Donate on Open Collective](https://img.shields.io/badge/Open%20Collective-Donate-blue?style=flat&logo=opencollective)](https://opencollective.com/multiverse-plugins)
 
 # About
 
@@ -44,7 +43,7 @@ Simply build the source with Gradle:
 * Want others to love Multiverse too? You can join the [Multiverse Discord community](https://discord.gg/NZtfKky) and help others with issues and setup!
 * A Multiverse guru? You can update our [Wiki](https://github.com/Multiverse/multiverse-web) with your latest tip, tricks and guides! The wiki open for all to edit and improve.
 * Love coding? You could look at ["State: Open to PR"](https://github.com/Multiverse/Multiverse-Core/labels/State%3A%20Open%20to%20PR) and ["Resolution: Accepted"](https://github.com/Multiverse/Multiverse-Core/labels/Resolution%3A%20Accepted) issues. We're always happy to receive bug fixes and feature additions as [pull requests](https://www.freecodecamp.org/news/how-to-make-your-first-pull-request-on-github-3/).
-* If you'd like to make a financial contribution to the project, do consider joining our [Patreon](https://www.patreon.com/dumptruckman) or make a one-time donation [here](https://paypal.me/dumptruckman)!
+* If you'd like to make a financial contribution to the project, do consider donating to our [Github Sponsors](https://github.com/sponsors/Multiverse) or [Open Collective](https://opencollective.com/multiverse-plugins)!
 
 Additionally, we would like to give a big thanks to everyone that has supported Multiverse over the years, as well as those in the years to come. Thank you!
 

build.gradle

@@ -1,7 +1,7 @@
 import org.apache.tools.ant.filters.ReplaceTokens
 
 plugins {
-    id 'org.mvplugins.multiverse-plugin' version '1.2.0'
+    id 'org.mvplugins.multiverse-plugin' version '1.2.2'
 }
 
 group = 'org.mvplugins.multiverse.core'
@@ -25,9 +25,9 @@ repositories {
 }
 
 configure(apiDependencies) {
-    serverApiVersion = '1.19.4-R0.1-SNAPSHOT'
+    serverApiVersion = '1.21.11-R0.1-SNAPSHOT'
     mockBukkitServerApiVersion = '1.21'
-    mockBukkitVersion = '4.31.1'
+    mockBukkitVersion = '4.100.0'
 }
 
 dependencies {
@@ -48,9 +48,9 @@ dependencies {
     }
 
     // Utils
-    shadowed 'io.vavr:vavr:0.10.4'
-    shadowed 'org.glassfish.hk2:hk2-locator:3.0.3'
-    shadowed('org.glassfish.hk2:hk2-inhabitant-generator:3.0.3') {
+    shadowed 'io.vavr:vavr:0.10.7'
+    shadowed 'org.glassfish.hk2:hk2-locator:3.1.1'
+    shadowed('org.glassfish.hk2:hk2-inhabitant-generator:3.1.1') {
         exclude group: 'org.apache.maven', module: 'maven-core'
     }
     shadowed('com.dumptruckman.minecraft:Logging:1.1.1') {
@@ -60,8 +60,8 @@ dependencies {
     shadowed('org.bstats:bstats-bukkit:3.1.0') {
         exclude group: 'org.bukkit', module: 'bukkit'
     }
-    shadowed 'net.minidev:json-smart:2.4.9'
-    shadowed 'org.jetbrains:annotations:22.0.0'
+    shadowed 'net.minidev:json-smart:2.5.2'
+    shadowed 'org.jetbrains:annotations:26.0.2'
     shadowed 'io.papermc:paperlib:1.0.8'
 
     // Tests

src/main/java/org/mvplugins/multiverse/core/MultiverseCore.java

@@ -15,6 +15,7 @@ import jakarta.inject.Inject;
 import jakarta.inject.Provider;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.serialization.ConfigurationSerialization;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
@@ -123,9 +124,9 @@ public class MultiverseCore extends MultiverseModule {
     public void onDisable() {
         super.onDisable();
         MultiverseCoreApi.shutdown();
-        saveAllConfigs();
         shutdownDependencyInjection();
         PluginServiceLocatorFactory.get().shutdown();
+        Logging.info("- Disabled");
         Logging.shutdown();
     }
 
@@ -214,23 +215,23 @@ public class MultiverseCore extends MultiverseModule {
      */
     private Try<Void> saveAllConfigs() {
         return configProvider.get().save()
-                .flatMap(ignore -> worldManagerProvider.get().saveWorldsConfig())
-                .flatMap(ignore ->anchorManagerProvider.get().saveAllAnchors())
-                .onFailure(e -> {
-                    Logging.severe("Failed to save configs, things may not work as expected.");
-                });
+                .andThenTry(() -> worldManagerProvider.get().saveWorldsConfig())
+                .andThenTry(() -> anchorManagerProvider.get().saveAllAnchors())
+                .onFailure(e ->
+                        Logging.severe("Failed to save all configs, things may not work as expected. %s",
+                                e.getLocalizedMessage()));
     }
 
     /**
      * Logs the enable message.
      */
     private void logEnableMessage() {
-        Logging.config("\u001B[32mVersion %s (API v%s) Enabled - By %s\u001B[39m",
+        Logging.config("\u001B[32mVersion %s (API v%s) Enabled - By %s\u001B[0m",
                 this.getDescription().getVersion(), getVersionAsNumber(), StringFormatter.joinAnd(getDescription().getAuthors()));
 
         if (configProvider.get().isShowingDonateMessage()) {
-            Logging.config("\u001B[32mHelp dumptruckman keep this project alive. Become a patron! https://www.patreon.com/dumptruckman\u001B[39m");
-            Logging.config("\u001B[32mOne time donations are also appreciated: https://www.paypal.me/dumptruckman\u001B[39m");
+            Logging.config("\u001B[32mLoving Multiverse-Core? Please consider supporting the project with a " +
+                    "small donation: https://github.com/sponsors/Multiverse\u001B[0m");
         }
     }
 
@@ -238,7 +239,11 @@ public class MultiverseCore extends MultiverseModule {
      * Gets the MultiverseCoreApi
      *
      * @return The MultiverseCoreApi
+     *
+     * @deprecated Use {@link MultiverseCoreApi#get()} directly.
      */
+    @Deprecated(since = "5.1", forRemoval = true)
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
     public MultiverseCoreApi getApi() {
         return MultiverseCoreApi.get();
     }

src/main/java/org/mvplugins/multiverse/core/MultiverseCoreApi.java

@@ -2,6 +2,7 @@ package org.mvplugins.multiverse.core;
 
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.ServicePriority;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.mvplugins.multiverse.core.anchor.AnchorManager;
 import org.mvplugins.multiverse.core.config.CoreConfig;
@@ -15,7 +16,10 @@ import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.biomeprovider.BiomeProviderFactory;
 import org.mvplugins.multiverse.core.world.generators.GeneratorProvider;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Objects;
+import java.util.function.Consumer;
 
 /**
  * Provides access to the MultiverseCore API.
@@ -23,6 +27,7 @@ import java.util.Objects;
 public class MultiverseCoreApi {
 
     private static MultiverseCoreApi instance;
+    private static final List<Consumer<MultiverseCoreApi>> whenLoadedCallbacks = new ArrayList<>();
 
     static void init(@NotNull MultiverseCore multiverseCore) {
         if (instance != null) {
@@ -30,6 +35,9 @@ public class MultiverseCoreApi {
         }
         instance = new MultiverseCoreApi(multiverseCore.getServiceLocator());
         Bukkit.getServicesManager().register(MultiverseCoreApi.class, instance, multiverseCore, ServicePriority.Normal);
+
+        whenLoadedCallbacks.forEach(c -> c.accept(instance));
+        whenLoadedCallbacks.clear();
     }
 
     static void shutdown() {
@@ -37,10 +45,49 @@ public class MultiverseCoreApi {
         instance = null;
     }
 
+    /**
+     * Hook your plugin into the MultiverseCoreApi here to ensure you only start using the API after it has been initialized.
+     * Use this if you know your plugin may load before Multiverse-Core is fully initialized.
+     * <br/>
+     * This handy method removes the need for you to check with plugin manager or listen to plugin enable event.
+     * <br/>
+     * Callback will be called immediately if the MultiverseCoreApi has already been initialized.
+     *
+     * @param consumer The callback to execute when the MultiverseCoreApi has been initialized.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public static void whenLoaded(@NotNull Consumer<MultiverseCoreApi> consumer) {
+        if (instance != null) {
+            consumer.accept(instance);
+        } else {
+            whenLoadedCallbacks.add(consumer);
+        }
+    }
+
+    /**
+     * Checks if the MultiverseCoreApi has been initialized.
+     *
+     * @return True if the MultiverseCoreApi has been initialized, false otherwise
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public static boolean isLoaded() {
+        return instance != null;
+    }
+
     /**
      * Gets the MultiverseCoreApi. This will throw an exception if the Multiverse-Core has not been initialized.
+     * <br/>
+     * You can check if the MultiverseCoreApi has been initialized with {@link #isLoaded()} before using this method.
+     * <br/>
+     * Alternatively, you can use {@link #whenLoaded(Consumer)} to hook into the MultiverseCoreApi if your plugin may
+     * load before Multiverse-Core is fully initialized.
      *
      * @return The MultiverseCoreApi
+     * @throws IllegalStateException if the MultiverseCoreApi has not been initialized
      */
     public static @NotNull MultiverseCoreApi get() {
         if (instance == null) {

src/main/java/org/mvplugins/multiverse/core/PlaceholderExpansionHook.java

@@ -1,5 +1,6 @@
 package org.mvplugins.multiverse.core;
 
+import com.google.common.collect.Lists;
 import io.vavr.control.Option;
 import jakarta.annotation.PostConstruct;
 import jakarta.inject.Inject;
@@ -12,22 +13,33 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
 
+import org.mvplugins.multiverse.core.config.CoreConfig;
 import org.mvplugins.multiverse.core.economy.MVEconomist;
+import org.mvplugins.multiverse.core.utils.MinecraftTimeFormatter;
 import org.mvplugins.multiverse.core.utils.REPatterns;
 import org.mvplugins.multiverse.core.utils.StringFormatter;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 
+import java.util.List;
+import java.util.Locale;
+
 @Service
 final class PlaceholderExpansionHook extends PlaceholderExpansion {
 
     private final MultiverseCore plugin;
+    private final CoreConfig coreConfig;
     private final WorldManager worldManager;
     private final MVEconomist economist;
 
     @Inject
-    public PlaceholderExpansionHook(MultiverseCore plugin, WorldManager worldManager, MVEconomist economist) {
+    public PlaceholderExpansionHook(@NotNull MultiverseCore plugin,
+                                    @NotNull CoreConfig coreConfig,
+                                    @NotNull WorldManager worldManager,
+                                    @NotNull MVEconomist economist) {
         this.plugin = plugin;
+        this.coreConfig = coreConfig;
         this.worldManager = worldManager;
         this.economist = economist;
     }
@@ -38,6 +50,13 @@ final class PlaceholderExpansionHook extends PlaceholderExpansion {
         return super.register();
     }
 
+    @Override
+    public void warning(String msg) {
+        if (coreConfig.getWarnInvalidPapiFormat()) {
+            super.warning(msg);
+        }
+    }
+
     @Override
     public @NotNull String getIdentifier() {
         return "multiverse-core";
@@ -68,101 +87,110 @@ final class PlaceholderExpansionHook extends PlaceholderExpansion {
     @Override
     public @Nullable String onRequest(OfflinePlayer offlinePlayer, @NotNull String params) {
         // Split string in to an Array with underscores
-        String[] paramsArray = REPatterns.UNDERSCORE.split(params, 2);
+        List<String> paramsArray = Lists.newArrayList(REPatterns.UNDERSCORE.split(params));
 
         // No placeholder defined
-        if (paramsArray.length < 1) {
-            warning("No placeholder defined");
+        if (paramsArray.isEmpty()) {
+            warning("No placeholder key defined");
             return null;
         }
 
-        final var placeholder = paramsArray[0];
-        Option<LoadedMultiverseWorld> targetWorld;
+        final var placeholder = paramsArray.remove(0).toLowerCase(Locale.ENGLISH);
 
-        // If no world is defined, use the player's world
-        if (paramsArray.length == 1) {
-            if (!offlinePlayer.isOnline()) {
-                return null;
-            }
-            targetWorld = worldManager.getLoadedWorld(((Player)offlinePlayer).getWorld());
-        } else {
-            targetWorld = worldManager.getLoadedWorld(paramsArray[1]);
-        }
-
-        // Fail if world is null
-        return targetWorld.map(world -> getWorldPlaceHolderValue(placeholder, world)).getOrNull();
+        return parseWorldName(offlinePlayer, paramsArray)
+                .flatMap(worldName -> worldManager.getWorld(worldName)
+                    .onEmpty(() -> warning("Multiverse World not found: " + worldName)))
+                .flatMap(world -> world.asLoadedWorld()
+                        .flatMap(loadedWorld -> getLoadedWorldPlaceHolderValue(placeholder, paramsArray, loadedWorld))
+                        .orElse(() -> getWorldPlaceHolderValue(placeholder, paramsArray, world)))
+                .getOrElse(() -> coreConfig.getInvalidPapiFormatReturnsBlank() ? "" : null);
     }
 
-    private @Nullable String getWorldPlaceHolderValue(@NotNull String placeholder, @NotNull LoadedMultiverseWorld world) {
-        // Switch to find what specific placeholder we want
-        switch (placeholder.toLowerCase()) {
-            case "alias" -> {
-                return world.getAliasOrName();
+    private @NotNull Option<String> parseWorldName(OfflinePlayer offlinePlayer, List<String> paramsArray) {
+        // No world defined, get from player
+        if (paramsArray.isEmpty()) {
+            if (offlinePlayer instanceof Player player) {
+                return Option.of(player.getWorld().getName());
+            } else {
+                warning("You must specify a world name for non-player placeholders");
+                return Option.none();
             }
-            case "animalspawn" -> {
-                return String.valueOf(world.getEntitySpawnConfig().getSpawnCategoryConfig(SpawnCategory.ANIMAL).isSpawn());
-            }
-            case "autoheal" -> {
-                return String.valueOf(world.getAutoHeal());
-            }
-            case "blacklist" -> {
-                return String.join(", ", world.getWorldBlacklist());
-            }
-            case "currency" -> {
-                return String.valueOf(world.getCurrency());
-            }
-            case "difficulty" -> {
-                return world.getDifficulty().toString();
-            }
-            case "entryfee" -> {
-                return economist.formatPrice(world.getPrice(), world.getCurrency());
-            }
-            case "environment" -> {
-                return world.getEnvironment().toString().toLowerCase();
-            }
-            case "flight" -> {
-                return String.valueOf(world.isAllowFlight());
-            }
-            case "gamemode" -> {
-                return world.getGameMode().toString().toLowerCase();
-            }
-            case "generator" -> {
-                return world.getGenerator();
-            }
-            case "hunger" -> {
-                return String.valueOf(world.isHunger());
-            }
-            case "monstersspawn" -> {
-                return String.valueOf(world.getEntitySpawnConfig().getSpawnCategoryConfig(SpawnCategory.MONSTER).isSpawn());
-            }
-            case "name" -> {
-                return world.getName();
-            }
-            case "playerlimit" -> {
-                return String.valueOf(world.getPlayerLimit());
-            }
-            case "price" -> {
-                return String.valueOf(world.getPrice());
-            }
-            case "pvp" -> {
-                return String.valueOf(world.getPvp());
-            }
-            case "seed" -> {
-                return String.valueOf(world.getSeed());
-            }
-            case "time" -> {
-                return String.valueOf(world.getBukkitWorld().map(World::getTime).getOrElse(0L));
-            }
-            case "type" -> {
-                return world.getBukkitWorld().map(World::getWorldType).map(Enum::name).getOrElse("null");
-            }
-            case "weather" -> {
-                return String.valueOf(world.isAllowWeather());
+        }
+
+        // Try get from params
+        String paramWorldName = paramsArray.get(paramsArray.size() - 1);
+        if (worldManager.isWorld(paramWorldName)) {
+            paramsArray.remove(paramsArray.size() - 1);
+            return Option.of(paramWorldName);
+        }
+
+        // Param not a world, fallback to player
+        if (offlinePlayer instanceof Player player) {
+            return Option.of(player.getWorld().getName());
+        }
+        warning("Multiverse World not found: " + paramWorldName);
+        return Option.none();
+    }
+
+    private @NotNull Option<String> getWorldPlaceHolderValue(@NotNull String placeholder,
+                                                             @NotNull List<String> placeholderParams,
+                                                             @NotNull MultiverseWorld world) {
+        return Option.of(switch (placeholder) {
+            case "alias" -> world.getAliasOrName();
+            case "animalspawn" -> String.valueOf(world.getEntitySpawnConfig()
+                    .getSpawnCategoryConfig(SpawnCategory.ANIMAL)
+                    .isSpawn());
+            case "autoheal" -> String.valueOf(world.getAutoHeal());
+            case "blacklist" -> String.join(", ", world.getWorldBlacklist());
+            case "currency" -> String.valueOf(world.getCurrency());
+            case "difficulty" -> world.getDifficulty().toString();
+            case "entryfee" -> economist.formatPrice(world.getPrice(), world.getCurrency());
+            case "environment" -> world.getEnvironment().toString().toLowerCase();
+            case "flight" -> String.valueOf(world.isAllowFlight());
+            case "gamemode" -> world.getGameMode().toString().toLowerCase();
+            case "generator" -> world.getGenerator();
+            case "hunger" -> String.valueOf(world.isHunger());
+            case "isloaded" -> String.valueOf(world.isLoaded());
+            case "monstersspawn" -> String.valueOf(world.getEntitySpawnConfig()
+                    .getSpawnCategoryConfig(SpawnCategory.MONSTER)
+                    .isSpawn());
+            case "name" -> world.getName();
+            case "playerlimit" -> String.valueOf(world.getPlayerLimit());
+            case "price" -> String.valueOf(world.getPrice());
+            case "pvp" -> String.valueOf(world.getPvp());
+            case "seed" -> String.valueOf(world.getSeed());
+            case "weather" -> String.valueOf(world.isAllowWeather());
+            case "playercount", "time", "type" -> {
+                warning("Placeholder '" + placeholder + "' is only available for loaded worlds.");
+                yield null;
             }
             default -> {
-                warning("Unknown placeholder: " + placeholder);
-                return null;
+                warning("Unknown Placeholder: " + placeholder);
+                yield null;
             }
-        }
+        });
+    }
+
+    private @NotNull Option<String> getLoadedWorldPlaceHolderValue(@NotNull String placeholder,
+                                                                   @NotNull List<String> placeholderParams,
+                                                                   @NotNull LoadedMultiverseWorld world) {
+        return Option.of(switch (placeholder) {
+            case "playercount" -> String.valueOf(world.getBukkitWorld()
+                    .map(World::getPlayers)
+                    .map(List::size)
+                    .getOrElse(-1));
+            case "time" -> {
+                String timeFormat = !placeholderParams.isEmpty() ? placeholderParams.get(0) : "";
+                long time = world.getBukkitWorld().map(World::getTime).getOrElse(0L);
+                yield switch (timeFormat) {
+                    case "" -> String.valueOf(time);
+                    case "12h" -> MinecraftTimeFormatter.format12h(time);
+                    case "24h" -> MinecraftTimeFormatter.format24h(time);
+                    default -> MinecraftTimeFormatter.formatTime(time, timeFormat);
+                };
+            }
+            case "type" -> world.getBukkitWorld().map(World::getWorldType).map(Enum::name).getOrElse("null");
+            default -> null;
+        });
     }
 }

src/main/java/org/mvplugins/multiverse/core/command/MVCommandCompletions.java

@@ -6,6 +6,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 
@@ -26,6 +27,7 @@ import org.bukkit.GameRule;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.SpawnCategory;
 import org.jetbrains.annotations.NotNull;
@@ -33,22 +35,25 @@ import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.anchor.AnchorManager;
 import org.mvplugins.multiverse.core.anchor.MultiverseAnchor;
+import org.mvplugins.multiverse.core.command.context.issueraware.IssuerAwareValue;
+import org.mvplugins.multiverse.core.command.context.issueraware.MultiverseWorldValue;
+import org.mvplugins.multiverse.core.command.context.issueraware.PlayerArrayValue;
 import org.mvplugins.multiverse.core.config.CoreConfig;
 import org.mvplugins.multiverse.core.config.node.functions.DefaultSuggesterProvider;
 import org.mvplugins.multiverse.core.config.handle.PropertyModifyAction;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.destination.DestinationSuggestionPacket;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
 import org.mvplugins.multiverse.core.destination.core.WorldDestination;
 import org.mvplugins.multiverse.core.permissions.CorePermissionsChecker;
 import org.mvplugins.multiverse.core.utils.REPatterns;
-import org.mvplugins.multiverse.core.utils.StringFormatter;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.generators.GeneratorPlugin;
 import org.mvplugins.multiverse.core.world.generators.GeneratorProvider;
 
-import static org.mvplugins.multiverse.core.utils.StringFormatter.addonToCommaSeperated;
+import static org.mvplugins.multiverse.core.utils.StringFormatter.addOnToCommaSeparated;
 
 @Service
 public class MVCommandCompletions extends PaperCommandCompletions {
@@ -84,7 +89,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
         registerAsyncCompletion("commands", this::suggestCommands);
         registerAsyncCompletion("destinations", this::suggestDestinations);
         registerStaticCompletion("difficulties", suggestEnums(Difficulty.class));
-        registerStaticCompletion("environments", suggestEnums(World.Environment.class));
+        registerStaticCompletion("environments", List.of("normal", "nether", "the_end")); // Don't tab complete the "custom" environment
         registerAsyncCompletion("flags", this::suggestFlags);
         registerStaticCompletion("gamemodes", suggestEnums(GameMode.class));
         registerStaticCompletion("gamerules", this::suggestGamerules);
@@ -96,7 +101,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
         registerAsyncCompletion("mvworlds", this::suggestMVWorlds);
         registerAsyncCompletion("mvworldpropsname", this::suggestMVWorldPropsName);
         registerAsyncCompletion("mvworldpropsvalue", this::suggestMVWorldPropsValue);
-        registerAsyncCompletion("playersarray", this::suggestPlayersArray);
+        registerCompletion("playersarray", this::suggestPlayersArray); // getting online players cannot be async
         registerStaticCompletion("propsmodifyaction", suggestEnums(PropertyModifyAction.class));
         registerStaticCompletion("spawncategories", suggestEnums(SpawnCategory.class));
         registerAsyncCompletion("spawncategorypropsname", this::suggestSpawnCategoryPropsName);
@@ -129,6 +134,22 @@ public class MVCommandCompletions extends PaperCommandCompletions {
         if (context.hasConfig("playerOnly") && !context.getIssuer().isPlayer()) {
             return Collections.emptyList();
         }
+        if (context.hasConfig("byIssuerForArg")) {
+            Boolean byIssuerForArg = Try.of(() -> context.getContextValueByName(IssuerAwareValue.class, context.getConfig("byIssuerForArg")))
+                    .map(IssuerAwareValue::isByIssuer)
+                    .getOrElse(false);
+            if (!byIssuerForArg) {
+                return Collections.emptyList();
+            }
+        }
+        if (context.hasConfig("notByIssuerForArg")) {
+            Boolean byIssuerForArg = Try.of(() -> context.getContextValueByName(IssuerAwareValue.class, context.getConfig("notByIssuerForArg")))
+                    .map(IssuerAwareValue::isByIssuer)
+                    .getOrElse(false);
+            if (byIssuerForArg) {
+                return Collections.emptyList();
+            }
+        }
         if (context.hasConfig("resolveUntil")) {
             if (!Try.run(() -> context.getContextValueByName(Object.class, context.getConfig("resolveUntil"))).isSuccess()) {
                 return Collections.emptyList();
@@ -142,7 +163,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
             }
         }
         if (context.hasConfig("multiple")) {
-            return addonToCommaSeperated(context.getInput(), handler.getCompletions(context));
+            return addOnToCommaSeparated(context.getInput(), handler.getCompletions(context));
         }
         return handler.getCompletions(context);
     }
@@ -157,7 +178,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
     public <T extends Enum<T>> Collection<String> suggestEnums(Class<T> enumClass) {
         return EnumSet.allOf(enumClass).stream()
                 .map(Enum::name)
-                .map(String::toLowerCase)
+                .map(name -> name.toLowerCase(Locale.ENGLISH))
                 .toList();
     }
 
@@ -195,27 +216,32 @@ public class MVCommandCompletions extends PaperCommandCompletions {
     }
 
     private Collection<String> suggestDestinations(BukkitCommandCompletionContext context) {
-        return Try.of(() -> context.getContextValue(Player[].class))
+        return Try.of(() -> context.getContextValue(PlayerArrayValue.class))
+                .map(PlayerArrayValue::value)
+                .recover(IllegalStateException.class, e -> context.getContextValue(Player[].class))
+                .recover(IllegalStateException.class, e -> new Player[]{context.getContextValue(Player.class)})
                 .map(players -> {
                     if (players.length == 0) {
                         // Most likely console did not specify a player
                         return Collections.<String>emptyList();
                     }
-                    if (context.hasConfig("othersOnly") && (players.length == 1 && players[0].equals(context.getIssuer().getIssuer()))) {
+                    CommandSender sender = context.getIssuer().getIssuer();
+                    if (context.hasConfig("othersOnly") && (players.length == 1 && players[0].equals(sender))) {
                         return Collections.<String>emptyList();
                     }
-                    return suggestDestinationsWithPerms(context.getIssuer().getIssuer(), players, context.getInput());
+                    return suggestDestinationsWithPerms(sender, Arrays.asList(players), context.getInput());
                 })
                 .getOrElse(Collections.emptyList());
     }
 
-    private Collection<String> suggestDestinationsWithPerms(CommandSender teleporter, Player[] players, String deststring) {
+    private Collection<String> suggestDestinationsWithPerms(CommandSender teleporter, List<Entity> teleportees, String deststring) {
         return destinationsProvider.suggestDestinations(teleporter, deststring).stream()
+                .filter(packet -> !config.getSimplifiedDestinationTabCompletion()
+                        || packet.destination() instanceof WorldDestination
+                        || deststring.startsWith(packet.destination().getIdentifier() + ":"))
                 .filter(packet -> corePermissionsChecker
-                        .checkDestinationPacketPermission(teleporter, Arrays.asList(players), packet))
-                .map(packet -> packet.destination() instanceof WorldDestination
-                                ? packet.destinationString()
-                                : packet.destination().getIdentifier() + ":" + packet.destinationString())
+                        .checkDestinationPacketPermission(teleporter, teleportees, packet))
+                .map(DestinationSuggestionPacket::parsableString)
                 .toList();
     }
 
@@ -248,7 +274,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
     private Collection<String> suggestMVConfigValues(BukkitCommandCompletionContext context) {
         return Try.of(() -> context.getContextValue(String.class))
                 .map(propertyName -> config.getStringPropertyHandle()
-                        .getSuggestedPropertyValue(propertyName, context.getInput(), PropertyModifyAction.SET))
+                        .getSuggestedPropertyValue(propertyName, context.getInput(), PropertyModifyAction.SET, context.getSender()))
                 .getOrElse(Collections.emptyList());
     }
 
@@ -258,19 +284,16 @@ public class MVCommandCompletions extends PaperCommandCompletions {
             case "both" -> {
                 return worldManager.getWorlds().stream()
                         .map(MultiverseWorld::getTabCompleteName)
-                        .map(StringFormatter::quoteMultiWordString)
                         .toList();
             }
             case "loaded" -> {
                 return worldManager.getLoadedWorlds().stream()
                         .map(MultiverseWorld::getTabCompleteName)
-                        .map(StringFormatter::quoteMultiWordString)
                         .toList();
             }
             case "unloaded" -> {
                 return worldManager.getUnloadedWorlds().stream()
                         .map(MultiverseWorld::getTabCompleteName)
-                        .map(StringFormatter::quoteMultiWordString)
                         .toList();
             }
             case "potential" -> {
@@ -283,7 +306,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
 
     private Collection<String> suggestMVWorldPropsName(BukkitCommandCompletionContext context) {
         return Try.of(() -> {
-            MultiverseWorld world = context.getContextValue(MultiverseWorld.class);
+            MultiverseWorld world = context.getContextValue(MultiverseWorldValue.class).value();
             PropertyModifyAction action = context.getContextValue(PropertyModifyAction.class);
             return world.getStringPropertyHandle().getModifiablePropertyNames(action);
         }).getOrElse(Collections.emptyList());
@@ -291,10 +314,10 @@ public class MVCommandCompletions extends PaperCommandCompletions {
 
     private Collection<String> suggestMVWorldPropsValue(BukkitCommandCompletionContext context) {
         return Try.of(() -> {
-            MultiverseWorld world = context.getContextValue(MultiverseWorld.class);
+            MultiverseWorld world = context.getContextValue(MultiverseWorldValue.class).value();
             PropertyModifyAction action = context.getContextValue(PropertyModifyAction.class);
             String propertyName = context.getContextValue(String.class);
-            return world.getStringPropertyHandle().getSuggestedPropertyValue(propertyName, context.getInput(), action);
+            return world.getStringPropertyHandle().getSuggestedPropertyValue(propertyName, context.getInput(), action, context.getSender());
         }).getOrElse(Collections.emptyList());
     }
 
@@ -311,7 +334,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
                 matchedPlayers.add(name);
             }
         }
-        return addonToCommaSeperated(context.getInput(), matchedPlayers);
+        return addOnToCommaSeparated(context.getInput(), matchedPlayers);
     }
 
     private Collection<String> suggestSpawnCategoryPropsName(BukkitCommandCompletionContext context) {
@@ -335,7 +358,7 @@ public class MVCommandCompletions extends PaperCommandCompletions {
             return world.getEntitySpawnConfig()
                     .getSpawnCategoryConfig(spawnCategory)
                     .getStringPropertyHandle()
-                    .getSuggestedPropertyValue(propertyName, context.getInput(), action);
+                    .getSuggestedPropertyValue(propertyName, context.getInput(), action, context.getSender());
         }).getOrElse(Collections.emptyList());
     }
 }

src/main/java/org/mvplugins/multiverse/core/command/MVCommandContexts.java

@@ -7,11 +7,19 @@ import co.aikar.commands.ACFUtil;
 import co.aikar.commands.BukkitCommandExecutionContext;
 import co.aikar.commands.BukkitCommandIssuer;
 import co.aikar.commands.InvalidCommandArgument;
+import co.aikar.commands.MinecraftMessageKeys;
 import co.aikar.commands.PaperCommandContexts;
 import co.aikar.commands.contexts.ContextResolver;
 import com.google.common.base.Strings;
+import io.vavr.control.Option;
+import io.vavr.control.Try;
 import jakarta.inject.Inject;
+import org.bukkit.Bukkit;
 import org.bukkit.GameRule;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.SpawnCategory;
 import org.jetbrains.annotations.Nullable;
@@ -20,6 +28,10 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.anchor.AnchorManager;
 import org.mvplugins.multiverse.core.anchor.MultiverseAnchor;
 import org.mvplugins.multiverse.core.command.context.GameRuleValue;
+import org.mvplugins.multiverse.core.command.context.issueraware.IssuerAwareContextBuilder;
+import org.mvplugins.multiverse.core.command.context.PlayerLocation;
+import org.mvplugins.multiverse.core.command.context.issueraware.MultiverseWorldValue;
+import org.mvplugins.multiverse.core.command.context.issueraware.PlayerArrayValue;
 import org.mvplugins.multiverse.core.config.CoreConfig;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
@@ -27,6 +39,7 @@ import org.mvplugins.multiverse.core.display.filters.ContentFilter;
 import org.mvplugins.multiverse.core.display.filters.DefaultContentFilter;
 import org.mvplugins.multiverse.core.display.filters.RegexContentFilter;
 import org.mvplugins.multiverse.core.exceptions.command.MVInvalidCommandArgument;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.utils.PlayerFinder;
 import org.mvplugins.multiverse.core.utils.REPatterns;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
@@ -69,13 +82,16 @@ public class MVCommandContexts extends PaperCommandContexts {
         registerContext(GameRule.class, this::parseGameRule);
         registerContext(GameRuleValue.class, this::parseGameRuleValue);
         registerContext(GeneratorPlugin.class, this::parseGeneratorPlugin);
-        registerIssuerAwareContext(LoadedMultiverseWorld.class, this::parseLoadedMultiverseWorld);
-        registerIssuerAwareContext(LoadedMultiverseWorld[].class, this::parseLoadedMultiverseWorldArray);
-        registerIssuerAwareContext(MultiverseWorld.class, this::parseMultiverseWorld);
-        registerIssuerAwareContext(MultiverseWorld[].class, this::parseMultiverseWorldArray);
+        registerIssuerAwareContext(LoadedMultiverseWorld.class, loadedMultiverseWorldContextBuilder().generateContext());
+        registerIssuerAwareContext(LoadedMultiverseWorld[].class, loadedMultiverseWorldArrayContextBuilder().generateContext());
+        registerIssuerAwareContext(MultiverseWorld.class, multiverseWorldContextBuilder().generateContext());
+        registerIssuerAwareContext(MultiverseWorldValue.class, multiverseWorldContextBuilder().generateContext(MultiverseWorldValue::new));
+        registerIssuerAwareContext(MultiverseWorld[].class, multiverseWorldArrayContextBuilder().generateContext());
         registerContext(MultiverseAnchor.class, this::parseMultiverseAnchor);
-        registerIssuerAwareContext(Player.class, this::parsePlayer);
-        registerIssuerAwareContext(Player[].class, this::parsePlayerArray);
+        registerIssuerAwareContext(Player.class, playerContextBuilder().generateContext());
+        registerIssuerAwareContext(Player[].class, playerArrayContextBuilder().generateContext());
+        registerIssuerAwareContext(PlayerArrayValue.class, playerArrayContextBuilder().generateContext(PlayerArrayValue::new));
+        registerIssuerAwareContext(PlayerLocation.class, this::parsePlayerLocation);
         registerContext(SpawnCategory[].class, this::parseSpawnCategories);
     }
 
@@ -100,8 +116,9 @@ public class MVCommandContexts extends PaperCommandContexts {
             throw new InvalidCommandArgument("No destination specified.");
         }
 
-        return destinationsProvider.parseDestination(destination)
-                .getOrThrow(failure -> MVInvalidCommandArgument.of(failure.getFailureMessage()));
+        return destinationsProvider.parseDestination(context.getSender(), destination)
+                .getOrThrow(failure ->
+                        new InvalidCommandArgument(failure.getFailureMessage().formatted(context.getIssuer())));
     }
 
     private GameRule<?> parseGameRule(BukkitCommandExecutionContext context) {
@@ -149,107 +166,42 @@ public class MVCommandContexts extends PaperCommandContexts {
         return generatorPlugin;
     }
 
-    private LoadedMultiverseWorld parseLoadedMultiverseWorld(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
 
-        // Get world based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                return worldManager.getLoadedWorld(context.getIssuer().getPlayer().getWorld()).getOrNull();
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player in a Multiverse World.");
-        }
-
-        String worldName = context.getFirstArg();
-        LoadedMultiverseWorld world = getLoadedMultiverseWorld(worldName);
-
-        // Get world based on input, fallback to sender if input is not a world
-        if (resolve.equals("issuerAware")) {
-            if (world != null) {
-                context.popFirstArg();
-                return world;
-            }
-            if (context.getIssuer().isPlayer()) {
-                return worldManager.getLoadedWorld(context.getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("World '" + worldName + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console.");
-        }
-
-        // Get world based on input only
-        if (world != null) {
-            context.popFirstArg();
-            return world;
-        }
-        if (context.isOptional()) {
-            return null;
-        }
-        throw new InvalidCommandArgument("World " + worldName + " is not a loaded multiverse world.");
+    private IssuerAwareContextBuilder<LoadedMultiverseWorld> loadedMultiverseWorldContextBuilder() {
+        return new IssuerAwareContextBuilder<LoadedMultiverseWorld>()
+                .fromPlayer((context, player) -> worldManager.getLoadedWorld(player.getWorld()).getOrNull())
+                .fromInput((context, input) -> getLoadedMultiverseWorld(input))
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player in a loaded Multiverse World."))
+                .issuerAwarePlayerFailMessage((context, player) -> Message.of("You are not in a loaded multiverse world. Either specify a multiverse world name or use this command in a loaded multiverse world."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("World '" + input + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console."))
+                .inputOnlyFailMessage((context, input) -> Message.of("World " + input + " is not a loaded multiverse world."));
     }
 
-    private LoadedMultiverseWorld[] parseLoadedMultiverseWorldArray(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
-
-        // Get world based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                LoadedMultiverseWorld playerWorld = worldManager.getLoadedWorld(context.getIssuer().getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-                return new LoadedMultiverseWorld[]{playerWorld};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player in a Multiverse World.");
-        }
-
-        String worldStrings = context.getFirstArg();
-        String[] worldNames = worldStrings == null ? new String[0] : REPatterns.COMMA.split(worldStrings);
-        Set<LoadedMultiverseWorld> worlds = new HashSet<>(worldNames.length);
-        for (String worldName : worldNames) {
-            if ("*".equals(worldName)) {
-                worlds.addAll(worldManager.getLoadedWorlds());
-                break;
-            }
-            LoadedMultiverseWorld world = getLoadedMultiverseWorld(worldName);
-            if (world == null) {
-                throw new InvalidCommandArgument("World " + worldName + " is not a loaded multiverse world.");
-            }
-            worlds.add(world);
-        }
-
-        // Get world based on input, fallback to sender if input is not a world
-        if (resolve.equals("issuerAware")) {
-            if (!worlds.isEmpty()) {
-                context.popFirstArg();
-                return worlds.toArray(new LoadedMultiverseWorld[0]);
-            }
-            if (context.getIssuer().isPlayer()) {
-                LoadedMultiverseWorld playerWorld = worldManager.getLoadedWorld(context.getIssuer().getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-                return new LoadedMultiverseWorld[]{playerWorld};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("Worlds '" + worldStrings + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console.");
-        }
-
-        // Get world based on input only
-        if (!worlds.isEmpty()) {
-            context.popFirstArg();
-            return worlds.toArray(new LoadedMultiverseWorld[0]);
-        }
-        if (context.isOptional()) {
-            return null;
-        }
-        throw new InvalidCommandArgument("World " + worldStrings + " is not a loaded multiverse world.");
+    private IssuerAwareContextBuilder<LoadedMultiverseWorld[]> loadedMultiverseWorldArrayContextBuilder() {
+        return new IssuerAwareContextBuilder<LoadedMultiverseWorld[]>()
+                .fromPlayer((context, player) -> worldManager.getLoadedWorld(player.getWorld())
+                        .map(world -> new LoadedMultiverseWorld[]{world})
+                        .getOrNull())
+                .fromInput((context, input) -> {
+                    String[] worldNames = input == null ? new String[0] : REPatterns.COMMA.split(input);
+                    Set<LoadedMultiverseWorld> worlds = new HashSet<>(worldNames.length);
+                    for (String worldName : worldNames) {
+                        if ("*".equals(worldName)) {
+                            worlds.addAll(worldManager.getLoadedWorlds());
+                            break;
+                        }
+                        LoadedMultiverseWorld world = getLoadedMultiverseWorld(worldName);
+                        if (world == null) {
+                            throw new InvalidCommandArgument("World " + worldName + " is not a loaded multiverse world.");
+                        }
+                        worlds.add(world);
+                    }
+                    return worlds.isEmpty() ? null : worlds.toArray(new LoadedMultiverseWorld[0]);
+                })
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player in a loaded Multiverse World."))
+                .issuerAwarePlayerFailMessage((context, player) -> Message.of("You are not in a loaded multiverse world. Either specify a multiverse world name or use this command in a loaded multiverse world."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("World '" + input + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console."))
+                .inputOnlyFailMessage((context, input) -> Message.of("World " + input + " is not a loaded multiverse world."));
     }
 
     @Nullable
@@ -259,107 +211,41 @@ public class MVCommandContexts extends PaperCommandContexts {
                 : worldManager.getLoadedWorld(worldName).getOrNull();
     }
 
-    private MultiverseWorld parseMultiverseWorld(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
-
-        // Get world based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                return worldManager.getWorld(context.getIssuer().getPlayer().getWorld()).getOrNull();
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player in a Multiverse World.");
-        }
-
-        String worldName = context.getFirstArg();
-        MultiverseWorld world = getMultiverseWorld(worldName);
-
-        // Get world based on input, fallback to sender if input is not a world
-        if (resolve.equals("issuerAware")) {
-            if (world != null) {
-                context.popFirstArg();
-                return world;
-            }
-            if (context.getIssuer().isPlayer()) {
-                return worldManager.getWorld(context.getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("World '" + worldName + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console.");
-        }
-
-        // Get world based on input only
-        if (world != null) {
-            context.popFirstArg();
-            return world;
-        }
-        if (context.isOptional()) {
-            return null;
-        }
-        throw new InvalidCommandArgument("World " + worldName + " is not a loaded multiverse world.");
+    private IssuerAwareContextBuilder<MultiverseWorld> multiverseWorldContextBuilder() {
+        return new IssuerAwareContextBuilder<MultiverseWorld>()
+                .fromPlayer((context, player) -> worldManager.getWorld(player.getWorld()).getOrNull())
+                .fromInput((context, input) -> getMultiverseWorld(input))
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player in a Multiverse World."))
+                .issuerAwarePlayerFailMessage((context, player) -> Message.of("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("World '" + input + "' is not a multiverse world. Remember to specify the world name when using this command in console."))
+                .inputOnlyFailMessage((context, input) -> Message.of("World " + input + " is not a multiverse world."));
     }
 
-    private MultiverseWorld[] parseMultiverseWorldArray(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
-
-        // Get world based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                MultiverseWorld playerWorld = worldManager.getWorld(context.getIssuer().getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-                return new MultiverseWorld[]{playerWorld};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player in a Multiverse World.");
-        }
-
-        String worldStrings = context.getFirstArg();
-        String[] worldNames = worldStrings == null ? new String[0] : REPatterns.COMMA.split(worldStrings);
-        Set<MultiverseWorld> worlds = new HashSet<>(worldNames.length);
-        for (String worldName : worldNames) {
-            if ("*".equals(worldName)) {
-                worlds.addAll(worldManager.getWorlds());
-                break;
-            }
-            MultiverseWorld world = getMultiverseWorld(worldName);
-            if (world == null) {
-                throw new InvalidCommandArgument("World " + worldName + " is not a loaded multiverse world.");
-            }
-            worlds.add(world);
-        }
-
-        // Get world based on input, fallback to sender if input is not a world
-        if (resolve.equals("issuerAware")) {
-            if (!worlds.isEmpty()) {
-                context.popFirstArg();
-                return worlds.toArray(new MultiverseWorld[0]);
-            }
-            if (context.getIssuer().isPlayer()) {
-                MultiverseWorld playerWorld = worldManager.getWorld(context.getIssuer().getPlayer().getWorld())
-                        .getOrElseThrow(() -> new InvalidCommandArgument("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."));
-                return new MultiverseWorld[]{playerWorld};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("Worlds '" + worldStrings + "' is not a loaded multiverse world. Remember to specify the world name when using this command in console.");
-        }
-
-        // Get world based on input only
-        if (!worlds.isEmpty()) {
-            context.popFirstArg();
-            return worlds.toArray(new MultiverseWorld[0]);
-        }
-        if (context.isOptional()) {
-            return null;
-        }
-        throw new InvalidCommandArgument("World " + worldStrings + " is not a loaded multiverse world.");
+    private IssuerAwareContextBuilder<MultiverseWorld[]> multiverseWorldArrayContextBuilder() {
+        return new IssuerAwareContextBuilder<MultiverseWorld[]>()
+                .fromPlayer((context, player) -> worldManager.getWorld(player.getWorld())
+                        .map(world -> new MultiverseWorld[]{world})
+                        .getOrNull())
+                .fromInput((context, input) -> {
+                    String[] worldNames = input == null ? new String[0] : REPatterns.COMMA.split(input);
+                    Set<MultiverseWorld> worlds = new HashSet<>(worldNames.length);
+                    for (String worldName : worldNames) {
+                        if ("*".equals(worldName)) {
+                            worlds.addAll(worldManager.getWorlds());
+                            break;
+                        }
+                        MultiverseWorld world = getMultiverseWorld(worldName);
+                        if (world == null) {
+                            throw new InvalidCommandArgument("World " + worldName + " is not a multiverse world.");
+                        }
+                        worlds.add(world);
+                    }
+                    return worlds.isEmpty() ? null : worlds.toArray(new MultiverseWorld[0]);
+                })
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player in a Multiverse World."))
+                .issuerAwarePlayerFailMessage((context, player) -> Message.of("You are not in a multiverse world. Either specify a multiverse world name or use this command in a multiverse world."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("World '" + input + "' is not a multiverse world. Remember to specify the world name when using this command in console."))
+                .inputOnlyFailMessage((context, input) -> Message.of("World " + input + " is not a multiverse world."));
     }
 
     @Nullable
@@ -375,92 +261,122 @@ public class MVCommandContexts extends PaperCommandContexts {
                 .getOrElseThrow(() -> new InvalidCommandArgument("The anchor '" +anchorName + "' does not exist."));
     }
 
-    private Player parsePlayer(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
-
-        // Get player based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                return context.getIssuer().getPlayer();
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player.");
-        }
-
-        String playerIdentifier = context.getFirstArg();
-        Player player = PlayerFinder.get(playerIdentifier, context.getSender());
-
-        // Get player based on input, fallback to sender if input is not a player
-        if (resolve.equals("issuerAware")) {
-            if (player != null) {
-                context.popFirstArg();
-                return player;
-            }
-            if (context.getIssuer().isPlayer()) {
-                return context.getIssuer().getPlayer();
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("Invalid player: " + playerIdentifier
-                    + ". Either specify an online player or use this command as a player.");
-        }
-
-        // Get player based on input only
-        if (player != null) {
-            context.popFirstArg();
-            return player;
-        }
-        if (context.isOptional()) {
-            return null;
-        }
-        throw new InvalidCommandArgument("Player " + playerIdentifier + " not found.");
+    private IssuerAwareContextBuilder<Player> playerContextBuilder() {
+        return new IssuerAwareContextBuilder<Player>()
+                .fromPlayer((context, player) -> player)
+                .fromInput((context, input) -> PlayerFinder.get(input, context.getSender()))
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("Invalid player: " + input + ". Either specify an online player or use this command as a player."))
+                .inputOnlyFailMessage((context, input) -> Message.of("Player " + input + " not found."));
     }
 
-    private Player[] parsePlayerArray(BukkitCommandExecutionContext context) {
-        String resolve = context.getFlagValue("resolve", "");
+    private IssuerAwareContextBuilder<Player[]> playerArrayContextBuilder() {
+        return new IssuerAwareContextBuilder<Player[]>()
+                .fromPlayer((context, player) -> new Player[]{player})
+                .fromInput((context, input) -> PlayerFinder
+                        .tryGetMulti(input, context.getSender())
+                        .map(list -> list.toArray(new Player[0]))
+                        .map(arr -> (arr.length == 0) ? null : arr)
+                        .getOrElseThrow(failure -> {
+                            if (failure instanceof MVInvalidCommandArgument mvFailure) {
+                                throw mvFailure;
+                            }
+                            throw new InvalidCommandArgument(failure.getLocalizedMessage() + " "
+                                    + Option.of(failure.getCause()).map(Throwable::getLocalizedMessage).getOrElse(""));
+                        }))
+                .issuerOnlyFailMessage((context) -> Message.of("This command can only be used by a player."))
+                .issuerAwareInputFailMessage((context, input) -> Message.of("Invalid player: " + input + ". Either specify an online player or use this command as a player."))
+                .inputOnlyFailMessage((context, input) -> {
+                    if (PlayerFinder.isSelector(input)) {
+                        return Message.of("No player(s) matched selector: " + input + ".");
+                    }
+                    return Message.of("Player(s) " + input + " not found.");
+                });
+    }
 
-        // Get player based on sender only
-        if (resolve.equals("issuerOnly")) {
-            if (context.getIssuer().isPlayer()) {
-                return new Player[]{context.getIssuer().getPlayer()};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("This command can only be used by a player.");
-        }
+    private PlayerLocation parsePlayerLocation(BukkitCommandExecutionContext context) {
+        Try<Location> location = Try.of(() -> parseLocationFromInput(context.getFirstArg(), context.getSender()));
 
-        String playerIdentifier = context.getFirstArg();
-        Player[] players = PlayerFinder.getMulti(playerIdentifier, context.getSender()).toArray(new Player[0]);
-
-        // Get player based on input, fallback to sender if input is not a player
-        if (resolve.equals("issuerAware")) {
-            if (players.length > 0) {
-                context.popFirstArg();
-                return players;
-            }
-            if (context.getIssuer().isPlayer()) {
-                return new Player[]{context.getIssuer().getPlayer()};
-            }
-            if (context.isOptional()) {
-                return null;
-            }
-            throw new InvalidCommandArgument("Invalid player: " + playerIdentifier
-                    + ". Either specify an online player or use this command as a player.");
-        }
-
-        // Get player based on input only
-        if (players.length > 0) {
+        if (location.isSuccess()) {
             context.popFirstArg();
-            return players;
+            return new PlayerLocation(location.get());
         }
-        if (context.isOptional()) {
-            return null;
+        if (context.getPlayer() != null) {
+            return new PlayerLocation(context.getPlayer().getLocation());
+        }
+        if (context.getFirstArg() == null) {
+            throw new InvalidCommandArgument("You must specify a world location when using this command in console.");
+        }
+        if (location.getCause() instanceof InvalidCommandArgument) {
+            throw (InvalidCommandArgument)location.getCause();
+        }
+        throw new RuntimeException(location.getCause());
+    }
+
+    // copied from ACF
+    private Location parseLocationFromInput(String input, CommandSender sender) {
+        String[] split = REPatterns.COLON.split(input, 2);
+        if (split.length == 0) {
+            throw new InvalidCommandArgument(true);
+        } else if (split.length < 2 && !(sender instanceof Player) && !(sender instanceof BlockCommandSender)) {
+            throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_WORLD, new String[0]);
+        } else {
+            Location sourceLoc = null;
+            String world;
+            String rest;
+            if (split.length == 2) {
+                world = split[0];
+                rest = split[1];
+            } else if (sender instanceof Player) {
+                sourceLoc = ((Player)sender).getLocation();
+                world = sourceLoc.getWorld().getName();
+                rest = split[0];
+            } else {
+                if (!(sender instanceof BlockCommandSender)) {
+                    throw new InvalidCommandArgument(true);
+                }
+
+                sourceLoc = ((BlockCommandSender)sender).getBlock().getLocation();
+                world = sourceLoc.getWorld().getName();
+                rest = split[0];
+            }
+
+            boolean rel = rest.startsWith("~");
+            split = REPatterns.COMMA.split(rel ? rest.substring(1) : rest);
+            if (split.length < 3) {
+                throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ, new String[0]);
+            } else {
+                Double x = ACFUtil.parseDouble(split[0], rel ? (double)0.0F : null);
+                Double y = ACFUtil.parseDouble(split[1], rel ? (double)0.0F : null);
+                Double z = ACFUtil.parseDouble(split[2], rel ? (double)0.0F : null);
+                if (sourceLoc != null && rel) {
+                    x = x + sourceLoc.getX();
+                    y = y + sourceLoc.getY();
+                    z = z + sourceLoc.getZ();
+                } else if (rel) {
+                    throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_CONSOLE_NOT_RELATIVE, new String[0]);
+                }
+
+                if (x != null && y != null && z != null) {
+                    World worldObj = Bukkit.getWorld(world);
+                    if (worldObj == null) {
+                        throw new InvalidCommandArgument(MinecraftMessageKeys.INVALID_WORLD, new String[0]);
+                    } else if (split.length >= 5) {
+                        Float yaw = ACFUtil.parseFloat(split[3]);
+                        Float pitch = ACFUtil.parseFloat(split[4]);
+                        if (pitch != null && yaw != null) {
+                            return new Location(worldObj, x, y, z, yaw, pitch);
+                        } else {
+                            throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ, new String[0]);
+                        }
+                    } else {
+                        return new Location(worldObj, x, y, z);
+                    }
+                } else {
+                    throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ, new String[0]);
+                }
+            }
         }
-        throw new InvalidCommandArgument("Player " + playerIdentifier + " not found.");
     }
 
     private SpawnCategory[] parseSpawnCategories(BukkitCommandExecutionContext context) {

src/main/java/org/mvplugins/multiverse/core/command/MVCommandIssuer.java

@@ -1,7 +1,6 @@
 package org.mvplugins.multiverse.core.command;
 
 import co.aikar.commands.BukkitCommandIssuer;
-import co.aikar.commands.MessageKeys;
 import co.aikar.commands.MessageType;
 import co.aikar.locales.MessageKeyProvider;
 import org.bukkit.command.CommandSender;
@@ -9,6 +8,7 @@ import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
+import org.mvplugins.multiverse.core.utils.text.ChatTextFormatter;
 
 public class MVCommandIssuer extends BukkitCommandIssuer {
 
@@ -24,8 +24,13 @@ public class MVCommandIssuer extends BukkitCommandIssuer {
         return commandManager;
     }
 
+    @Override
+    public void sendMessageInternal(String message) {
+        ChatTextFormatter.sendFormattedMessage(getIssuer(), message);
+    }
+
     public void sendError(String message, MessageReplacement... replacements) {
-        sendMessage(MessageType.INFO, message, replacements);
+        sendMessage(MessageType.ERROR, message, replacements);
     }
 
     public void sendSyntax(String message, MessageReplacement... replacements) {
@@ -107,9 +112,9 @@ public class MVCommandIssuer extends BukkitCommandIssuer {
         } else {
             var formatter = getManager().getFormat(messageType);
             if (formatter != null) {
-                sendMessage(formatter.format(message.formatted()));
+                sendMessage(formatter.format(message.formatted(getManager().getLocales(), this)));
             } else {
-                sendMessage(message.formatted());
+                sendMessage(message.formatted(getManager().getLocales(), this));
             }
         }
     }

src/main/java/org/mvplugins/multiverse/core/command/MVRootCommand.java

@@ -22,6 +22,9 @@ public class MVRootCommand extends BukkitRootCommand {
     @Override
     public List<String> getTabCompletions(CommandIssuer sender, String alias, String[] args, boolean commandsOnly, boolean isAsync) {
         String[] quoteFormatedArgs = StringFormatter.parseQuotesInArgs(args).toArray(String[]::new);
-        return super.getTabCompletions(sender, alias, quoteFormatedArgs, commandsOnly, isAsync);
+        return super.getTabCompletions(sender, alias, quoteFormatedArgs, commandsOnly, isAsync)
+                .stream()
+                .map(StringFormatter::quoteMultiWordString)
+                .toList();
     }
 }

src/main/java/org/mvplugins/multiverse/core/command/context/PlayerLocation.java

@@ -0,0 +1,16 @@
+package org.mvplugins.multiverse.core.command.context;
+
+import org.bukkit.Location;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Wrapper for context that get location from player if executed by player,
+ * else requires user input of location coordinates.
+ *
+ * @param value The location
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public record PlayerLocation(Location value) {
+}

src/main/java/org/mvplugins/multiverse/core/command/context/issueraware/IssuerAwareContextBuilder.java

@@ -0,0 +1,203 @@
+package org.mvplugins.multiverse.core.command.context.issueraware;
+
+import co.aikar.commands.BukkitCommandExecutionContext;
+import co.aikar.commands.BukkitCommandIssuer;
+import co.aikar.commands.InvalidCommandArgument;
+import co.aikar.commands.contexts.IssuerAwareContextResolver;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
+import org.mvplugins.multiverse.core.locale.message.Message;
+
+import java.util.Objects;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+/**
+ * Reusable logic of issuer only and issuer aware context resolvers
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public final class IssuerAwareContextBuilder<T> {
+
+    private BiFunction<BukkitCommandExecutionContext, Player, T> fromPlayer;
+    private BiFunction<BukkitCommandExecutionContext, String, T> fromInput;
+    private Function<BukkitCommandExecutionContext, Message> issuerOnlyFailMessage = context -> Message.of("This command can only be used by a player.");
+    private BiFunction<BukkitCommandExecutionContext, Player, Message> issuerAwarePlayerFailMessage = (context, player) -> Message.of("Unable to resolve context for player '" + player.getName() + "'.");
+    private BiFunction<BukkitCommandExecutionContext, String, Message> issuerAwareInputFailMessage = (context, input) -> Message.of("Unable to resolve context for input '" + input + "'.");
+    private BiFunction<BukkitCommandExecutionContext, String, Message> inputOnlyFailMessage = (context, input) -> Message.of("Unable to resolve context for input '" + input + "'.");
+
+    public IssuerAwareContextBuilder() {
+    }
+
+    /**
+     * Parse value from player itself.
+     *
+     * @param fromInput the parsing function
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> fromPlayer(BiFunction<BukkitCommandExecutionContext, Player, T> fromInput) {
+        this.fromPlayer = fromInput;
+        return this;
+    }
+
+    /**
+     * Parse value from command input string.
+     *
+     * @param fromInput the parsing function
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> fromInput(BiFunction<BukkitCommandExecutionContext, String, T> fromInput) {
+        this.fromInput = fromInput;
+        return this;
+    }
+
+    /**
+     * When getting value fails as issuer is not a player.
+     *
+     * @param issuerOnlyFailMessage The message
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> issuerOnlyFailMessage(Function<BukkitCommandExecutionContext, Message> issuerOnlyFailMessage) {
+        this.issuerOnlyFailMessage = issuerOnlyFailMessage;
+        return this;
+    }
+
+    /**
+     * When getting value fails as player cannot parse the value.
+     *
+     * @param issuerAwarePlayerFailMessage The message
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> issuerAwarePlayerFailMessage(BiFunction<BukkitCommandExecutionContext, Player, Message> issuerAwarePlayerFailMessage) {
+        this.issuerAwarePlayerFailMessage = issuerAwarePlayerFailMessage;
+        return this;
+    }
+
+    /**
+     * When getting value fails as input cannot parse the value.
+     *
+     * @param issuerAwareInputFailMessage The message
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> issuerAwareInputFailMessage(BiFunction<BukkitCommandExecutionContext, String, Message> issuerAwareInputFailMessage) {
+        this.issuerAwareInputFailMessage = issuerAwareInputFailMessage;
+        return this;
+    }
+
+    /**
+     * When getting value fails as input cannot parse the value.
+     *
+     * @param inputOnlyFailMessage The message
+     * @return The same builder for chaining
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextBuilder<T> inputOnlyFailMessage(BiFunction<BukkitCommandExecutionContext, String, Message> inputOnlyFailMessage) {
+        this.inputOnlyFailMessage = inputOnlyFailMessage;
+        return this;
+    }
+
+    /**
+     * Creates the issuer aware context resolver logic.
+     *
+     * @return The generated context resolver
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public IssuerAwareContextResolver<T, BukkitCommandExecutionContext> generateContext() {
+        validateRequiredVariables();
+        return context -> resolveValue(context, GenericIssuerAwareValue::new).value;
+    }
+
+    /**
+     * Creates the issuer aware context resolver logic, with marking of whether the value was resolved from player or input.
+     *
+     * @param createValue The function to create the {@link IssuerAwareValue} value
+     * @param <I> The type of the value
+     * @return The generated context resolver
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public <I extends IssuerAwareValue> IssuerAwareContextResolver<I, BukkitCommandExecutionContext> generateContext(BiFunction<Boolean, T, I> createValue) {
+        validateRequiredVariables();
+        return context -> resolveValue(context, createValue);
+    }
+
+    private void validateRequiredVariables() {
+        Objects.requireNonNull(fromPlayer);
+        Objects.requireNonNull(fromInput);
+        Objects.requireNonNull(issuerOnlyFailMessage);
+        Objects.requireNonNull(issuerAwarePlayerFailMessage);
+        Objects.requireNonNull(issuerAwareInputFailMessage);
+        Objects.requireNonNull(inputOnlyFailMessage);
+    }
+
+    private <I extends IssuerAwareValue> I resolveValue(BukkitCommandExecutionContext context, BiFunction<Boolean, T, I> createValue) {
+        BukkitCommandIssuer issuer = context.getIssuer();
+        String resolve = context.getFlagValue("resolve", "");
+
+        if (resolve.equals("issuerOnly")) {
+            if (issuer.isPlayer()) {
+                T result = fromPlayer.apply(context, issuer.getPlayer());
+                if (result != null) {
+                    return createValue.apply(true, result);
+                }
+            }
+            throw new InvalidCommandArgument(issuerOnlyFailMessage.apply(context).formatted(issuer));
+        }
+
+        String input = context.getFirstArg();
+        T result = fromInput.apply(context, input);
+        if (result != null) {
+            context.popFirstArg();
+            return createValue.apply(false, result);
+        }
+
+        int maxArgForAware = context.getFlagValue("maxArgForAware", Integer.MAX_VALUE);
+        long argLengthWithoutFlags = context.getArgs().stream()
+                .takeWhile(value -> !value.startsWith("-") && !value.isEmpty()) // ignore the flags
+                .count();
+
+        if (resolve.equals("issuerAware") && argLengthWithoutFlags <= maxArgForAware) {
+            if (issuer.isPlayer()) {
+                Player player = issuer.getPlayer();
+                result = fromPlayer.apply(context, player);
+                if (result != null) {
+                    return createValue.apply(true, result);
+                }
+                throw new InvalidCommandArgument(issuerAwarePlayerFailMessage.apply(context, player).formatted(issuer));
+            }
+            throw new InvalidCommandArgument(issuerAwareInputFailMessage.apply(context, input).formatted(issuer));
+        }
+
+        throw new InvalidCommandArgument(inputOnlyFailMessage.apply(context, input).formatted(issuer));
+    }
+
+    private static class GenericIssuerAwareValue<T> extends IssuerAwareValue {
+        private final T value;
+
+        public GenericIssuerAwareValue(boolean byIssuer, T value) {
+            super(byIssuer);
+            this.value = value;
+        }
+    }
+}

src/main/java/org/mvplugins/multiverse/core/command/context/issueraware/IssuerAwareValue.java

@@ -0,0 +1,35 @@
+package org.mvplugins.multiverse.core.command.context.issueraware;
+
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Base class for issuer aware values
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public abstract class IssuerAwareValue {
+    protected final boolean byIssuer;
+
+    /**
+     * Constructor to create an issuer aware value
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    protected IssuerAwareValue(boolean byIssuer) {
+        this.byIssuer = byIssuer;
+    }
+
+    /**
+     * Gets whether the value is by issuer or input
+     *
+     * @return true if by issuer, false if by input
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public boolean isByIssuer() {
+        return byIssuer;
+    }
+}

src/main/java/org/mvplugins/multiverse/core/command/context/issueraware/MultiverseWorldValue.java

@@ -0,0 +1,38 @@
+package org.mvplugins.multiverse.core.command.context.issueraware;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
+
+/**
+ * Issuer aware value wrapper for {@link MultiverseWorld}
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public final class MultiverseWorldValue extends IssuerAwareValue {
+
+    private final MultiverseWorld world;
+
+    /**
+     * Constructor for issuer aware value
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public MultiverseWorldValue(boolean byIssuer, MultiverseWorld world) {
+        super(byIssuer);
+        this.world = world;
+    }
+
+    /**
+     * The containing world wrapped
+     *
+     * @return wrapped world
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public MultiverseWorld value() {
+        return world;
+    }
+}

src/main/java/org/mvplugins/multiverse/core/command/context/issueraware/PlayerArrayValue.java

@@ -0,0 +1,36 @@
+package org.mvplugins.multiverse.core.command.context.issueraware;
+
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Issuer aware value wrapper for {@link Player} array
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public final class PlayerArrayValue extends IssuerAwareValue {
+
+    private final Player[] players;
+
+    /**
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public PlayerArrayValue(boolean byIssuer, Player[] players) {
+        super(byIssuer);
+        this.players = players;
+    }
+
+    /**
+     * The containing player array wrapped
+     *
+     * @return wrapped player array
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Player[] value() {
+        return players;
+    }
+}

src/main/java/org/mvplugins/multiverse/core/command/flag/CommandValueFlag.java

@@ -3,6 +3,7 @@ package org.mvplugins.multiverse.core.command.flag;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Locale;
 import java.util.function.Function;
 
 import co.aikar.commands.InvalidCommandArgument;
@@ -220,7 +221,7 @@ public class CommandValueFlag<T> extends CommandFlag {
         private void setEnumContext() {
             this.context = (String value) -> {
                 try {
-                    return Enum.valueOf(type, value.toUpperCase());
+                    return Enum.valueOf(type, value.toUpperCase(Locale.ENGLISH));
                 } catch (IllegalArgumentException e) {
                     throw new InvalidCommandArgument("Invalid value for argument " + key + ": " + value);
                 }
@@ -229,7 +230,7 @@ public class CommandValueFlag<T> extends CommandFlag {
 
         private void setEnumCompletion() {
             List<String> types = Arrays.stream(type.getEnumConstants())
-                    .map(typeClass -> typeClass.name().toLowerCase())
+                    .map(typeClass -> typeClass.name().toLowerCase(Locale.ENGLISH))
                     .toList();
 
             this.completion = (input) -> types;

src/main/java/org/mvplugins/multiverse/core/commands/CloneCommand.java

@@ -20,7 +20,7 @@ import org.mvplugins.multiverse.core.command.flag.FlagBuilder;
 import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
-import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.options.CloneWorldOptions;
 
@@ -48,7 +48,7 @@ class CloneCommand extends CoreCommand {
 
             @Syntax("<world>")
             @Description("{@@mv-core.clone.world.description}")
-            LoadedMultiverseWorld world,
+            MultiverseWorld world,
 
             @Syntax("<new-world-name>")
             @Description("{@@mv-core.clone.newWorld.description}")
@@ -114,7 +114,7 @@ class CloneCommand extends CoreCommand {
 
         @Override
         @CommandAlias("mvcl|mvclone")
-        void onCloneCommand(MVCommandIssuer issuer, LoadedMultiverseWorld world, String newWorldName, String[] flags) {
+        void onCloneCommand(MVCommandIssuer issuer, MultiverseWorld world, String newWorldName, String[] flags) {
             super.onCloneCommand(issuer, world, newWorldName, flags);
         }
     }

src/main/java/org/mvplugins/multiverse/core/commands/ConfigCommand.java

@@ -65,13 +65,12 @@ class ConfigCommand extends CoreCommand {
     }
 
     private void updateConfigValue(MVCommandIssuer issuer, String name, String value) {
-        config.getStringPropertyHandle().setPropertyString(name, value)
-                .onSuccess(ignore -> {
-                    config.save();
-                    issuer.sendMessage(MVCorei18n.CONFIG_SET_SUCCESS,
-                            Replace.NAME.with(name),
-                            Replace.VALUE.with(value));
-                })
+        var stringPropertyHandle = config.getStringPropertyHandle();
+        stringPropertyHandle.setPropertyString(issuer.getIssuer(), name, value)
+                .andThenTry(config::save)
+                .onSuccess(ignore -> issuer.sendMessage(MVCorei18n.CONFIG_SET_SUCCESS,
+                        Replace.NAME.with(name),
+                        Replace.VALUE.with(stringPropertyHandle.getProperty(name).getOrNull())))
                 .onFailure(e -> issuer.sendMessage(MVCorei18n.CONFIG_SET_ERROR,
                         Replace.NAME.with(name),
                         Replace.VALUE.with(value),

src/main/java/org/mvplugins/multiverse/core/commands/CreateCommand.java

@@ -19,7 +19,6 @@ import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.command.LegacyAliasCommand;
 import org.mvplugins.multiverse.core.command.MVCommandIssuer;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
 import org.mvplugins.multiverse.core.command.flag.CommandFlag;
 import org.mvplugins.multiverse.core.command.flag.CommandFlagsManager;
 import org.mvplugins.multiverse.core.command.flag.CommandValueFlag;
@@ -27,6 +26,7 @@ import org.mvplugins.multiverse.core.command.flag.FlagBuilder;
 import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
+import org.mvplugins.multiverse.core.utils.StringFormatter;
 import org.mvplugins.multiverse.core.utils.result.Attempt.Failure;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
@@ -53,7 +53,7 @@ class CreateCommand extends CoreCommand {
     @CommandPermission("multiverse.core.create")
     @CommandCompletion("@empty @environments @flags:groupName=" + Flags.NAME)
     @Syntax("<name> <environment> [--seed <seed> --generator <generator[:id]> --world-type <worldtype> --adjust-spawn "
-            + "--no-structures --biome <biome>]")
+            + "--no-structures --biome <biome> --properties <prop1=value1,prop2=value2,...>]")
     @Description("{@@mv-core.create.description}")
     void onCreateCommand(
             MVCommandIssuer issuer,
@@ -68,7 +68,7 @@ class CreateCommand extends CoreCommand {
 
             @Optional
             @Syntax("[--seed <seed> --generator <generator[:id]> --world-type <worldtype> --adjust-spawn "
-                    + "--no-structures --biome <biome>]")
+                    + "--no-structures --biome <biome> --properties <prop1=value1,prop2=value2,...>]")
             @Description("{@@mv-core.create.flags.description}")
             String[] flagArray) {
         ParsedCommandFlags parsedFlags = flags.parse(flagArray);
@@ -78,14 +78,15 @@ class CreateCommand extends CoreCommand {
         issuer.sendInfo(MVCorei18n.CREATE_LOADING);
 
         worldManager.createWorld(CreateWorldOptions.worldName(worldName)
-                .biome(parsedFlags.flagValue(flags.biome, ""))
-                .environment(environment)
-                .seed(parsedFlags.flagValue(flags.seed))
-                .worldType(parsedFlags.flagValue(flags.worldType, WorldType.NORMAL))
-                .useSpawnAdjust(!parsedFlags.hasFlag(flags.noAdjustSpawn))
-                .generator(parsedFlags.flagValue(flags.generator, ""))
-                .generatorSettings(parsedFlags.flagValue(flags.generatorSettings, ""))
-                .generateStructures(!parsedFlags.hasFlag(flags.noStructures)))
+                        .biome(parsedFlags.flagValue(flags.biome, ""))
+                        .environment(environment)
+                        .seed(parsedFlags.flagValue(flags.seed))
+                        .worldType(parsedFlags.flagValue(flags.worldType, WorldType.NORMAL))
+                        .useSpawnAdjust(!parsedFlags.hasFlag(flags.noAdjustSpawn))
+                        .generator(parsedFlags.flagValue(flags.generator, ""))
+                        .generatorSettings(parsedFlags.flagValue(flags.generatorSettings, ""))
+                        .generateStructures(!parsedFlags.hasFlag(flags.noStructures))
+                        .worldPropertyStrings(StringFormatter.parseCSVMap(parsedFlags.flagValue(flags.properties))))
                 .onSuccess(newWorld -> messageSuccess(issuer, newWorld))
                 .onFailure(failure -> messageFailure(issuer, failure));
     }
@@ -180,6 +181,10 @@ class CreateCommand extends CoreCommand {
                 .addAlias("-b")
                 .completion(input -> biomeProviderFactory.suggestBiomeString(input))
                 .build());
+
+        private final CommandValueFlag<String> properties = flag(CommandValueFlag.builder("--properties", String.class)
+                .addAlias("-p")
+                .build());
     }
 
     @Service

src/main/java/org/mvplugins/multiverse/core/commands/DeleteCommand.java

@@ -57,7 +57,7 @@ class DeleteCommand extends CoreCommand {
 
     @Subcommand("delete")
     @CommandPermission("multiverse.core.delete")
-    @CommandCompletion("@mvworlds:scope=loaded @flags:groupName=" + RemovePlayerFlags.NAME)
+    @CommandCompletion("@mvworlds:scope=both @flags:groupName=" + RemovePlayerFlags.NAME)
     @Syntax("<world>")
     @Description("{@@mv-core.delete.description}")
     void onDeleteCommand(

src/main/java/org/mvplugins/multiverse/core/commands/DumpsService.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Arrays;
 
 import com.dumptruckman.minecraft.util.Logging;
 import jakarta.inject.Inject;
@@ -136,6 +137,9 @@ final class DumpsService {
     }
 
     private String getPluginList() {
-        return " - " + StringUtils.join(plugin.getServer().getPluginManager().getPlugins(), "\n - ");
+        return " - " + StringUtils.join(Arrays.stream(plugin.getServer().getPluginManager().getPlugins())
+                .map(Object::toString)
+                .sorted()
+                .toList(), "\n - ");
     }
 }

src/main/java/org/mvplugins/multiverse/core/commands/EntitySpawnConfigCommand.java

@@ -52,7 +52,7 @@ final class EntitySpawnConfigCommand extends CoreCommand {
     void onInfoCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             MultiverseWorld world,
 
@@ -91,7 +91,7 @@ final class EntitySpawnConfigCommand extends CoreCommand {
     void onModifyCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=4")
             @Syntax("[world]")
             MultiverseWorld world,
 
@@ -113,11 +113,10 @@ final class EntitySpawnConfigCommand extends CoreCommand {
                 .getSpawnCategoryConfig(spawnCategory)
                 .getStringPropertyHandle()
                 .modifyPropertyString(property, value, action)
-                .onSuccess(ignore -> issuer.sendMessage("Successfully set " + property + " to " + value
+                .andThenTry(worldManager::saveWorldsConfig)
+                .onSuccess(ignore -> issuer.sendInfo("Successfully set " + property + " to " + value
                         + " for " + spawnCategory.name() + " in " + world.getName()))
-                .onFailure(e -> issuer.sendMessage("Unable to set " + property + " to " + value
+                .onFailure(e -> issuer.sendError("Unable to set " + property + " to " + value
                         + " for " + spawnCategory.name() + " in " + world.getName() + ": " + e.getMessage()));
-
-        worldManager.saveWorldsConfig();
     }
 }

src/main/java/org/mvplugins/multiverse/core/commands/GameruleCommand.java

@@ -42,7 +42,6 @@ import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.replace;
 
 @Service
-@Subcommand("gamerule|rule")
 class GameruleCommand extends CoreCommand {
 
     private final PageFilterFlags flags;
@@ -52,7 +51,7 @@ class GameruleCommand extends CoreCommand {
         this.flags = flags;
     }
 
-    @Subcommand("set")
+    @Subcommand("gamerule|rule set")
     @CommandPermission("multiverse.core.gamerule.set")
     @CommandCompletion("@gamerules @gamerulesvalues @mvworlds:multiple|*")
     @Syntax("<Gamerule> <Gamerule value> [World or *]")
@@ -68,7 +67,7 @@ class GameruleCommand extends CoreCommand {
             @Description("{@@mv-core.gamerule.set.value.description}")
             GameRuleValue gameRuleValue,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=2")
             @Syntax("[World or *]")
             @Description("{@@mv-core.gamerule.set.world.description}")
             LoadedMultiverseWorld[] worlds) {
@@ -103,7 +102,7 @@ class GameruleCommand extends CoreCommand {
     }
 
     @SuppressWarnings("rawtypes,unchecked")
-    @Subcommand("reset")
+    @Subcommand("gamerule|rule reset")
     @CommandPermission("multiverse.core.gamerule.set")
     @CommandCompletion("@gamerules @mvworlds:multiple|*")
     @Syntax("<Gamerule> [World or *]")
@@ -115,7 +114,7 @@ class GameruleCommand extends CoreCommand {
             @Description("{@@mv-core.gamerule.reset.gamerule.description}")
             GameRule gamerule,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=1")
             @Syntax("[World or *]")
             @Description("{@@mv-core.gamerule.reset.world.description}")
             LoadedMultiverseWorld[] worlds) {
@@ -145,15 +144,15 @@ class GameruleCommand extends CoreCommand {
         }
     }
 
-    @Subcommand("list")
+    @Subcommand("gamerule|rule list")
     @CommandPermission("multiverse.core.gamerule.list")
-    @CommandCompletion("@mvworlds|@flags:groupName=mvgamerulecommand @flags:groupName=" + PageFilterFlags.NAME)
+    @CommandCompletion("@mvworlds|@flags:groupName=" + PageFilterFlags.NAME + " @flags:groupName=" + PageFilterFlags.NAME)
     @Syntax("[world] [--page <page>] [--filter <filter>]")
     @Description("{@@mv-core.gamerule.list.description}")
     void onGameruleListCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("<world>")
             @Description("{@@mv-core.gamerule.list.description.world}")
             LoadedMultiverseWorld world,
@@ -220,6 +219,11 @@ class GameruleCommand extends CoreCommand {
             super.onGameruleSetCommand(issuer, gamerule, gameRuleValue, worlds);
         }
 
+        @Override
+        void onGameruleResetCommand(MVCommandIssuer issuer, GameRule gamerule, LoadedMultiverseWorld[] worlds) {
+            super.onGameruleResetCommand(issuer, gamerule, worlds);
+        }
+
         @Override
         @CommandAlias("mvrules|mvgamerules")
         void onGameruleListCommand(MVCommandIssuer issuer, LoadedMultiverseWorld world, String[] flags) {

src/main/java/org/mvplugins/multiverse/core/commands/ImportCommand.java

@@ -68,7 +68,8 @@ class ImportCommand extends CoreCommand {
                         .biome(parsedFlags.flagValue(flags.biome, ""))
                         .environment(environment)
                         .generator(parsedFlags.flagValue(flags.generator, String.class))
-                        .useSpawnAdjust(!parsedFlags.hasFlag(flags.noAdjustSpawn)))
+                        .useSpawnAdjust(!parsedFlags.hasFlag(flags.noAdjustSpawn))
+                        .doFolderCheck(!parsedFlags.hasFlag(flags.skipFolderCheck)))
                 .onSuccess(newWorld -> {
                     Logging.fine("World import success: " + newWorld);
                     issuer.sendInfo(MVCorei18n.IMPORT_SUCCESS, Replace.WORLD.with(newWorld.getName()));
@@ -105,6 +106,10 @@ class ImportCommand extends CoreCommand {
         private final CommandValueFlag<String> biome = flag(CommandValueFlag.builder("--biome", String.class)
                 .addAlias("-b")
                 .build());
+
+        private final CommandFlag skipFolderCheck = flag(CommandFlag.builder("--skip-folder-check")
+                .addAlias("-f")
+                .build());
     }
 
     @Service

src/main/java/org/mvplugins/multiverse/core/commands/InfoCommand.java

@@ -61,8 +61,8 @@ class InfoCommand extends CoreCommand {
     public void onInfoCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
-            @Syntax("<world>")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
+            @Syntax("[world]")
             @Description("{@@mv-core.info.description.world}")
             LoadedMultiverseWorld world,
 

src/main/java/org/mvplugins/multiverse/core/commands/LoadCommand.java

@@ -3,9 +3,8 @@ package org.mvplugins.multiverse.core.commands;
 import co.aikar.commands.annotation.CommandAlias;
 import co.aikar.commands.annotation.CommandCompletion;
 import co.aikar.commands.annotation.CommandPermission;
-import co.aikar.commands.annotation.Conditions;
 import co.aikar.commands.annotation.Description;
-import co.aikar.commands.annotation.Single;
+import co.aikar.commands.annotation.Optional;
 import co.aikar.commands.annotation.Subcommand;
 import co.aikar.commands.annotation.Syntax;
 import com.dumptruckman.minecraft.util.Logging;
@@ -15,36 +14,49 @@ import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.command.LegacyAliasCommand;
 import org.mvplugins.multiverse.core.command.MVCommandIssuer;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
+import org.mvplugins.multiverse.core.command.flag.CommandFlag;
+import org.mvplugins.multiverse.core.command.flag.CommandFlagsManager;
+import org.mvplugins.multiverse.core.command.flag.FlagBuilder;
+import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
+import org.mvplugins.multiverse.core.world.options.LoadWorldOptions;
 
 @Service
 class LoadCommand extends CoreCommand {
 
     private final WorldManager worldManager;
+    private final LoadCommand.Flags flags;
 
     @Inject
-    LoadCommand(@NotNull WorldManager worldManager) {
+    LoadCommand(@NotNull WorldManager worldManager, @NotNull Flags flags) {
         this.worldManager = worldManager;
+        this.flags = flags;
     }
 
     @Subcommand("load")
     @CommandPermission("multiverse.core.load")
-    @CommandCompletion("@mvworlds:scope=unloaded")
+    @CommandCompletion("@mvworlds:scope=unloaded @flags:groupName=" + Flags.NAME)
     @Syntax("<world>")
     @Description("{@@mv-core.load.description}")
     void onLoadCommand(
             MVCommandIssuer issuer,
 
-            @Single
-            @Conditions("worldname:scope=unloaded")
             @Syntax("<world>")
             @Description("{@@mv-core.load.world.description}")
-            String worldName) {
-        issuer.sendInfo(MVCorei18n.LOAD_LOADING, Replace.WORLD.with(worldName));
-        worldManager.loadWorld(worldName)
+            MultiverseWorld world,
+
+            @Optional
+            @Syntax("[--skip-folder-check]")
+            @Description("")
+            String[] flagArray) {
+        ParsedCommandFlags parsedFlags = flags.parse(flagArray);
+
+        issuer.sendInfo(MVCorei18n.LOAD_LOADING, Replace.WORLD.with(world.getName()));
+        worldManager.loadWorld(LoadWorldOptions.world(world)
+                        .doFolderCheck(!parsedFlags.hasFlag(flags.skipFolderCheck)))
                 .onSuccess(newWorld -> {
                     Logging.fine("World load success: " + newWorld);
                     issuer.sendInfo(MVCorei18n.LOAD_SUCCESS, Replace.WORLD.with(newWorld.getName()));
@@ -54,17 +66,32 @@ class LoadCommand extends CoreCommand {
                 });
     }
 
+    @Service
+    private static final class Flags extends FlagBuilder {
+
+        private static final String NAME = "mvload";
+
+        @Inject
+        private Flags(@NotNull CommandFlagsManager flagsManager) {
+            super(NAME, flagsManager);
+        }
+
+        private final CommandFlag skipFolderCheck = flag(CommandFlag.builder("--skip-folder-check")
+                .addAlias("-f")
+                .build());
+    }
+
     @Service
     private static final class LegacyAlias extends LoadCommand implements LegacyAliasCommand {
         @Inject
-        LegacyAlias(@NotNull WorldManager worldManager) {
-            super(worldManager);
+        LegacyAlias(@NotNull WorldManager worldManager, @NotNull Flags flags) {
+            super(worldManager, flags);
         }
 
         @Override
         @CommandAlias("mvload")
-        void onLoadCommand(MVCommandIssuer issuer, String worldName) {
-            super.onLoadCommand(issuer, worldName);
+        void onLoadCommand(MVCommandIssuer issuer, MultiverseWorld world, String[] flagArray) {
+            super.onLoadCommand(issuer, world, flagArray);
         }
     }
 }

src/main/java/org/mvplugins/multiverse/core/commands/ModifyCommand.java

@@ -10,27 +10,32 @@ import co.aikar.commands.annotation.Single;
 import co.aikar.commands.annotation.Subcommand;
 import co.aikar.commands.annotation.Syntax;
 import jakarta.inject.Inject;
-import org.bukkit.ChatColor;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.command.LegacyAliasCommand;
 import org.mvplugins.multiverse.core.command.MVCommandIssuer;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
+import org.mvplugins.multiverse.core.command.context.issueraware.MultiverseWorldValue;
 import org.mvplugins.multiverse.core.config.handle.PropertyModifyAction;
 import org.mvplugins.multiverse.core.config.handle.StringPropertyHandle;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
-import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 
+import java.util.Map;
+
 import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.*;
 import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.replace;
 
 @Service
 class ModifyCommand extends CoreCommand {
 
+    private static final Map<String, String> REMOVED_PROPERTIES = Map.of(
+            "animals", "/mv entity-spawn-config modify [world] animal set spawn <true|false>",
+            "monsters", "/mv entity-spawn-config modify [world] monster set spawn <true|false>"
+        );
+
     private final WorldManager worldManager;
 
     @Inject
@@ -40,16 +45,19 @@ class ModifyCommand extends CoreCommand {
 
     @Subcommand("modify")
     @CommandPermission("multiverse.core.modify")
-    @CommandCompletion("@mvworlds:scope=both @propsmodifyaction @mvworldpropsname @mvworldpropsvalue")
-    @Syntax("[world] <set|add|remove|reset> <property> <value>")
+    @CommandCompletion("@mvworlds:scope=both|@propsmodifyaction:byIssuerForArg=arg1 " +
+            "@propsmodifyaction:notByIssuerForArg=arg1|@mvworldpropsname:byIssuerForArg=arg1 " +
+            "@mvworldpropsname:notByIssuerForArg=arg1|@mvworldpropsvalue:byIssuerForArg=arg1 " +
+            "@mvworldpropsvalue:notByIssuerForArg=arg1")
+    @Syntax("[world] <set|add|remove|reset> <property> [value]")
     @Description("{@@mv-core.modify.description}")
     void onModifyCommand(// SUPPRESS CHECKSTYLE: ParameterNumber
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=3")
             @Syntax("[world]")
             @Description("{@@mv-core.modify.world.description}")
-            @NotNull MultiverseWorld world,
+            @NotNull MultiverseWorldValue worldValue,
 
             @Syntax("<set|add|remove|reset>")
             @Description("")
@@ -64,6 +72,15 @@ class ModifyCommand extends CoreCommand {
             @Syntax("[value]")
             @Description("{@@mv-core.modify.value.description}")
             @Nullable String propertyValue) {
+        if (REMOVED_PROPERTIES.containsKey(propertyName)) {
+            issuer.sendMessage(MVCorei18n.MODIFY_PROPERTYREMOVED,
+                    replace("{property}").with(propertyName),
+                    replace("{replacement}").with(REMOVED_PROPERTIES.get(propertyName)));
+            return;
+        }
+
+        MultiverseWorld world = worldValue.value();
+
         if (action.isRequireValue() && propertyValue == null) {
             issuer.sendMessage(MVCorei18n.MODIFY_SPECIFYVALUE,
                     replace("{action}").with(action.name().toLowerCase()),
@@ -77,28 +94,28 @@ class ModifyCommand extends CoreCommand {
         }
 
         StringPropertyHandle worldPropertyHandle = world.getStringPropertyHandle();
-        worldPropertyHandle.modifyPropertyString(propertyName, propertyValue, action).onSuccess(ignore -> {
-            issuer.sendMessage(MVCorei18n.MODIFY_SUCCESS,
+        worldPropertyHandle.modifyPropertyString(issuer.getIssuer(), propertyName, propertyValue, action)
+                .andThenTry(worldManager::saveWorldsConfig)
+                .onSuccess(ignore -> issuer.sendMessage(MVCorei18n.MODIFY_SUCCESS,
                     replace("{action}").with(action.name().toLowerCase()),
                     replace("{property}").with(propertyName),
                     Replace.VALUE.with(worldPropertyHandle.getProperty(propertyName).getOrNull()),
-                    Replace.WORLD.with(world.getName()));
-            worldManager.saveWorldsConfig();
-        }).onFailure(exception -> {
-            if (propertyValue == null) {
-                issuer.sendMessage(MVCorei18n.MODIFY_FAILURE_NOVALUE,
-                        replace("{action}").with(action.name().toLowerCase()),
-                        replace("{property}").with(propertyName),
-                        Replace.WORLD.with(world.getName()),
-                        Replace.ERROR.with(exception.getMessage()));
-            } else {
-                issuer.sendMessage(MVCorei18n.MODIFY_FAILURE,
-                        replace("{action}").with(action.name().toLowerCase()),
-                        replace("{property}").with(propertyName),
-                        Replace.VALUE.with(propertyValue),
-                        Replace.WORLD.with(world.getName()),
-                        Replace.ERROR.with(exception.getMessage()));
-            }
+                    Replace.WORLD.with(world.getName())))
+                .onFailure(exception -> {
+                    if (propertyValue == null) {
+                        issuer.sendMessage(MVCorei18n.MODIFY_FAILURE_NOVALUE,
+                                replace("{action}").with(action.name().toLowerCase()),
+                                replace("{property}").with(propertyName),
+                                Replace.WORLD.with(world.getName()),
+                                Replace.ERROR.with(exception.getMessage()));
+                    } else {
+                        issuer.sendMessage(MVCorei18n.MODIFY_FAILURE,
+                                replace("{action}").with(action.name().toLowerCase()),
+                                replace("{property}").with(propertyName),
+                                Replace.VALUE.with(propertyValue),
+                                Replace.WORLD.with(world.getName()),
+                                Replace.ERROR.with(exception.getMessage()));
+                    }
         });
     }
 
@@ -111,7 +128,7 @@ class ModifyCommand extends CoreCommand {
 
         @Override
         @CommandAlias("mvmodify|mvm")
-        void onModifyCommand(MVCommandIssuer issuer, @NotNull MultiverseWorld world, @NotNull PropertyModifyAction action, @NotNull String propertyName, @Nullable String propertyValue) {
+        void onModifyCommand(MVCommandIssuer issuer, @NotNull MultiverseWorldValue world, @NotNull PropertyModifyAction action, @NotNull String propertyName, @Nullable String propertyValue) {
             super.onModifyCommand(issuer, world, action, propertyName, propertyValue);
         }
     }

src/main/java/org/mvplugins/multiverse/core/commands/PurgeAllEntitiesCommand.java

@@ -33,7 +33,7 @@ final class PurgeAllEntitiesCommand extends CoreCommand {
     void onPurgeAllEntitiesCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=1")
             @Syntax("[world]")
             LoadedMultiverseWorld world,
 

src/main/java/org/mvplugins/multiverse/core/commands/PurgeEntitiesCommand.java

@@ -28,7 +28,7 @@ final class PurgeEntitiesCommand extends CoreCommand {
     void onPurgeEntityCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {

src/main/java/org/mvplugins/multiverse/core/commands/RemoveCommand.java

@@ -15,6 +15,8 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.command.LegacyAliasCommand;
 import org.mvplugins.multiverse.core.command.MVCommandIssuer;
 import org.mvplugins.multiverse.core.command.MVCommandManager;
+import org.mvplugins.multiverse.core.command.flag.CommandFlag;
+import org.mvplugins.multiverse.core.command.flag.CommandFlagsManager;
 import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
 import org.mvplugins.multiverse.core.command.flags.RemovePlayerFlags;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
@@ -23,19 +25,20 @@ import org.mvplugins.multiverse.core.utils.result.AsyncAttemptsAggregate;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.helpers.PlayerWorldTeleporter;
+import org.mvplugins.multiverse.core.world.options.RemoveWorldOptions;
 
 @Service
 class RemoveCommand extends CoreCommand {
 
     private final WorldManager worldManager;
     private final PlayerWorldTeleporter playerWorldTeleporter;
-    private final RemovePlayerFlags flags;
+    private final Flags flags;
 
     @Inject
     RemoveCommand(
             @NotNull WorldManager worldManager,
             @NotNull PlayerWorldTeleporter playerWorldTeleporter,
-            @NotNull RemovePlayerFlags flags
+            @NotNull Flags flags
     ) {
         this.worldManager = worldManager;
         this.playerWorldTeleporter = playerWorldTeleporter;
@@ -44,7 +47,7 @@ class RemoveCommand extends CoreCommand {
 
     @Subcommand("remove")
     @CommandPermission("multiverse.core.remove")
-    @CommandCompletion("@mvworlds:scope=both @flags:groupName=" + RemovePlayerFlags.NAME)
+    @CommandCompletion("@mvworlds:scope=both @flags:groupName=" + Flags.NAME)
     @Syntax("<world>")
     @Description("{@@mv-core.remove.description}")
     void onRemoveCommand(
@@ -64,12 +67,14 @@ class RemoveCommand extends CoreCommand {
                 ? worldManager.getLoadedWorld(world).map(playerWorldTeleporter::removeFromWorld).getOrElse(AsyncAttemptsAggregate::emptySuccess)
                 : AsyncAttemptsAggregate.emptySuccess();
 
-        future.onSuccess(() -> doWorldRemoving(issuer, world))
+        future.onSuccess(() -> doWorldRemoving(issuer, world, parsedFlags))
                 .onFailure(() -> issuer.sendError("Failed to teleport one or more players out of the world!"));
     }
 
-    private void doWorldRemoving(MVCommandIssuer issuer, MultiverseWorld world) {
-        worldManager.removeWorld(world)
+    private void doWorldRemoving(MVCommandIssuer issuer, MultiverseWorld world, ParsedCommandFlags parsedFlags) {
+        worldManager.removeWorld(RemoveWorldOptions.world(world)
+                        .saveBukkitWorld(!parsedFlags.hasFlag(flags.noSave))
+                        .unloadBukkitWorld(!parsedFlags.hasFlag(flags.noUnloadBukkitWorld)))
                 .onSuccess(removedWorldName -> {
                     Logging.fine("World remove success: " + removedWorldName);
                     issuer.sendInfo(MVCorei18n.REMOVE_SUCCESS, Replace.WORLD.with(removedWorldName));
@@ -79,13 +84,32 @@ class RemoveCommand extends CoreCommand {
                 });
     }
 
+    @Service
+    private static final class Flags extends RemovePlayerFlags {
+
+        private static final String NAME = "mvremove";
+
+        @Inject
+        private Flags(@NotNull CommandFlagsManager flagsManager) {
+            super(NAME, flagsManager);
+        }
+
+        private final CommandFlag noUnloadBukkitWorld = flag(CommandFlag.builder("--no-unload-bukkit-world")
+                .addAlias("-b")
+                .build());
+
+        private final CommandFlag noSave = flag(CommandFlag.builder("--no-save")
+                .addAlias("-n")
+                .build());
+    }
+
     @Service
     private static final class LegacyAlias extends RemoveCommand implements LegacyAliasCommand {
         @Inject
         LegacyAlias(
                 @NotNull WorldManager worldManager,
                 @NotNull PlayerWorldTeleporter playerWorldTeleporter,
-                RemovePlayerFlags flags
+                @NotNull Flags flags
         ) {
             super(worldManager, playerWorldTeleporter, flags);
         }

src/main/java/org/mvplugins/multiverse/core/commands/SetSpawnCommand.java

@@ -1,76 +1,95 @@
 package org.mvplugins.multiverse.core.commands;
 
-import co.aikar.commands.BukkitCommandIssuer;
 import co.aikar.commands.annotation.CommandAlias;
+import co.aikar.commands.annotation.CommandCompletion;
 import co.aikar.commands.annotation.CommandPermission;
 import co.aikar.commands.annotation.Description;
 import co.aikar.commands.annotation.Optional;
 import co.aikar.commands.annotation.Subcommand;
 import co.aikar.commands.annotation.Syntax;
-import io.vavr.control.Option;
 import jakarta.inject.Inject;
 import org.bukkit.Location;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.command.LegacyAliasCommand;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
+import org.mvplugins.multiverse.core.command.MVCommandIssuer;
+import org.mvplugins.multiverse.core.command.context.PlayerLocation;
+import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
+import org.mvplugins.multiverse.core.command.flags.UnsafeFlags;
+import org.mvplugins.multiverse.core.locale.MVCorei18n;
+import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
+import org.mvplugins.multiverse.core.teleportation.BlockSafety;
 import org.mvplugins.multiverse.core.world.WorldManager;
 
 @Service
 class SetSpawnCommand extends CoreCommand {
 
     private final WorldManager worldManager;
+    private final BlockSafety blockSafety;
+    private final UnsafeFlags flags;
 
     @Inject
-    SetSpawnCommand(@NotNull WorldManager worldManager) {
+    SetSpawnCommand(@NotNull WorldManager worldManager, @NotNull BlockSafety blockSafety, @NotNull UnsafeFlags flags) {
         this.worldManager = worldManager;
+        this.blockSafety = blockSafety;
+        this.flags = flags;
     }
 
     @CommandAlias("mvsetspawn")
     @Subcommand("setspawn")
     @CommandPermission("multiverse.core.spawn.set")
-    @Syntax("[x],[y],[z],[pitch],[yaw]")
+    @CommandCompletion("@flags:groupName=" + UnsafeFlags.NAME + " @flags:resolveUntil=arg1,groupName=" + UnsafeFlags.NAME)
+    @Syntax("[worldname:x,y,z[,pitch,yaw]] [--unsafe]")
     @Description("{@@mv-core.setspawn.description}")
     void onSetSpawnCommand(
-            BukkitCommandIssuer issuer,
+            MVCommandIssuer issuer,
+
+            @Syntax("[worldname:x,y,z[,pitch,yaw]]")
+            @Description("{@@mv-core.setspawn.location.description}")
+            PlayerLocation playerLocation,
 
             @Optional
-            @Syntax("<location>")
-            @Description("{@@mv-core.setspawn.location.description}")
-            Location location) {
-        Option.of(location).orElse(() -> {
-                    if (issuer.isPlayer()) {
-                        return Option.of(issuer.getPlayer().getLocation());
-                    }
-                    return Option.none();
-                }).peek(finalLocation ->
-                        worldManager.getLoadedWorld(finalLocation.getWorld())
-                                .peek(mvWorld -> mvWorld.setSpawnLocation(finalLocation)
-                                        .onSuccess(ignore -> issuer.sendMessage(
-                                                "Successfully set spawn in " + mvWorld.getName() + " to "
-                                                        + prettyLocation(mvWorld.getSpawnLocation())))
-                                        .onFailure(e -> issuer.sendMessage(e.getLocalizedMessage())))
-                                .onEmpty(() -> issuer.sendMessage("That world is not loaded or does not exist!")))
-                .onEmpty(() -> issuer.sendMessage("You must specify a location in the format: worldname:x,y,z"));
+            @Syntax("[--unsafe]")
+            @Description("")
+            String[] flagArray) {
+        ParsedCommandFlags parsedFlags = flags.parse(flagArray);
+        Location location = playerLocation.value();
+
+        if (!parsedFlags.hasFlag(flags.unsafe) && !blockSafety.canSpawnAtLocationSafely(location)) {
+            issuer.sendMessage(MVCorei18n.SETSPAWN_UNSAFE);
+            return;
+        }
+
+        worldManager.getLoadedWorld(location.getWorld())
+                .peek(mvWorld -> mvWorld.setSpawnLocation(location)
+                        .andThenTry(worldManager::saveWorldsConfig)
+                        .onSuccess(ignore -> issuer.sendMessage(MVCorei18n.SETSPAWN_SUCCESS,
+                                Replace.WORLD.with(mvWorld.getName()),
+                                Replace.LOCATION.with(prettyLocation(location))))
+                        .onFailure(e -> issuer.sendMessage(MVCorei18n.SETSPAWN_FAILED,
+                                Replace.WORLD.with(mvWorld.getName()),
+                                Replace.ERROR.with(e))))
+                .onEmpty(() -> issuer.sendMessage(MVCorei18n.SETSPAWN_NOTMVWORLD,
+                        Replace.WORLD.with(location.getWorld().getName())));
     }
 
     private String prettyLocation(Location location) {
-        return location.getX() + ", " + location.getY() + ", " + location.getZ() + ". pitch:" + location.getPitch()
-                + ", yaw:" + location.getYaw();
+        return "%.2f, %.2f, %.2f, pitch:%.2f, yaw:%.2f"
+                .formatted(location.getX(), location.getY(), location.getZ(), location.getPitch(), location.getYaw());
     }
 
     @Service
     private static final class LegacyAlias extends SetSpawnCommand implements LegacyAliasCommand {
         @Inject
-        LegacyAlias(@NotNull WorldManager worldManager) {
-            super(worldManager);
+        LegacyAlias(@NotNull WorldManager worldManager, @NotNull BlockSafety blockSafety, @NotNull UnsafeFlags flags) {
+            super(worldManager, blockSafety, flags);
         }
 
         @Override
         @CommandAlias("mvss")
-        void onSetSpawnCommand(BukkitCommandIssuer issuer, Location location) {
-            super.onSetSpawnCommand(issuer, location);
+        void onSetSpawnCommand(MVCommandIssuer issuer, PlayerLocation location, String[] flagArray) {
+            super.onSetSpawnCommand(issuer, location, flagArray);
         }
     }
 }

src/main/java/org/mvplugins/multiverse/core/commands/SpawnCommand.java

@@ -60,7 +60,7 @@ final class SpawnCommand extends CoreCommand {
     @CommandAlias("mvspawn")
     @Subcommand("spawn")
     @CommandPermission("@mvspawn")
-    @CommandCompletion("@playersarray:checkPermissions=@mvspawnother|@flags:groupName=" + UnsafeFlags.NAME + ",resolveUntil=arg1"
+    @CommandCompletion("@playersarray:checkPermissions=@mvspawnother|@flags:resolveUntil=arg1,groupName=" + UnsafeFlags.NAME
             + " @flags:groupName=" + UnsafeFlags.NAME)
     @Syntax("[player]")
     @Description("{@@mv-core.spawn.description}")
@@ -108,7 +108,7 @@ final class SpawnCommand extends CoreCommand {
         safetyTeleporter.to(mvWorld.getSpawnLocation())
                 .by(issuer)
                 .checkSafety(checkSafety)
-                .teleport(entity)
+                .teleportSingle(entity)
                 .onSuccess(() -> issuer.sendInfo(MVCorei18n.SPAWN_SUCCESS,
                         Replace.PLAYER.with(entity.equals(issuer.getPlayer())
                                 ? Message.of(MVCorei18n.GENERIC_YOU)
@@ -119,7 +119,7 @@ final class SpawnCommand extends CoreCommand {
                                 ? Message.of(MVCorei18n.GENERIC_YOU)
                                 : Message.of(entity.getName())),
                         Replace.WORLD.with(mvWorld.getName()),
-                        Replace.REASON.with(failure.getFailureMessage())));
+                        Replace.REASON.with(failure.get(0).getFailureMessage())));
     }
 
     private void handleMultiTeleport(MVCommandIssuer issuer, LoadedMultiverseWorld mvWorld,

src/main/java/org/mvplugins/multiverse/core/commands/TeleportCommand.java

@@ -1,9 +1,7 @@
 package org.mvplugins.multiverse.core.commands;
 
 import java.util.Arrays;
-import java.util.EnumMap;
 import java.util.List;
-import java.util.Map;
 
 import co.aikar.commands.annotation.CommandAlias;
 import co.aikar.commands.annotation.CommandCompletion;
@@ -20,9 +18,11 @@ import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.command.MVCommandIssuer;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
+import org.mvplugins.multiverse.core.command.context.issueraware.PlayerArrayValue;
 import org.mvplugins.multiverse.core.command.flag.CommandFlag;
+import org.mvplugins.multiverse.core.command.flag.CommandFlagsManager;
 import org.mvplugins.multiverse.core.command.flag.ParsedCommandFlags;
+import org.mvplugins.multiverse.core.command.flags.PageFilterFlags;
 import org.mvplugins.multiverse.core.command.flags.UnsafeFlags;
 import org.mvplugins.multiverse.core.config.CoreConfig;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
@@ -31,7 +31,6 @@ import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
 import org.mvplugins.multiverse.core.permissions.CorePermissionsChecker;
 import org.mvplugins.multiverse.core.teleportation.AsyncSafetyTeleporter;
-import org.mvplugins.multiverse.core.teleportation.TeleportFailureReason;
 
 @Service
 final class TeleportCommand extends CoreCommand {
@@ -39,14 +38,14 @@ final class TeleportCommand extends CoreCommand {
     private final CoreConfig config;
     private final CorePermissionsChecker permissionsChecker;
     private final AsyncSafetyTeleporter safetyTeleporter;
-    private final UnsafeFlags flags;
+    private final Flags flags;
 
     @Inject
     TeleportCommand(
             @NotNull CoreConfig config,
             @NotNull CorePermissionsChecker permissionsChecker,
             @NotNull AsyncSafetyTeleporter safetyTeleporter,
-            @NotNull UnsafeFlags flags
+            @NotNull Flags flags
     ) {
         this.config = config;
         this.permissionsChecker = permissionsChecker;
@@ -57,19 +56,18 @@ final class TeleportCommand extends CoreCommand {
     @CommandAlias("mvtp")
     @Subcommand("teleport|tp")
     @CommandPermission("@mvteleport")
-    @CommandCompletion(
-            "@destinations:playerOnly|@playersarray:checkPermissions=@mvteleportother "
-                    + "@destinations:othersOnly|@flags:groupName=" + UnsafeFlags.NAME + ",resolveUntil=arg2 "
-                    + "@flags:groupName=" + UnsafeFlags.NAME)
+    @CommandCompletion("@playersarray:checkPermissions=@mvteleportother|@destinations:byIssuerForArg=arg1 "
+            + "@destinations:notByIssuerForArg=arg1|@flags:byIssuerForArg=arg1,groupName=" + Flags.NAME + " "
+            + "@flags:notByIssuerForArg=arg1,groupName=" + Flags.NAME)
     @Syntax("[player] <destination> [--unsafe]")
     @Description("{@@mv-core.teleport.description}")
     void onTeleportCommand(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @co.aikar.commands.annotation.Flags("resolve=issuerAware,maxArgForAware=1")
             @Syntax("[player]")
             @Description("{@@mv-core.teleport.player.description}")
-            Player[] players,
+            PlayerArrayValue playersValue,
 
             @Syntax("<destination>")
             @Description("{@@mv-core.teleport.destination.description}")
@@ -79,6 +77,7 @@ final class TeleportCommand extends CoreCommand {
             @Syntax("[--unsafe]")
             @Description("")
             String[] flagArray) {
+        Player[] players = playersValue.value();
         ParsedCommandFlags parsedFlags = flags.parse(flagArray);
 
         if (players.length == 1) {
@@ -105,14 +104,26 @@ final class TeleportCommand extends CoreCommand {
         safetyTeleporter.to(destination)
                 .by(issuer)
                 .checkSafety(!parsedFlags.hasFlag(flags.unsafe) && destination.checkTeleportSafety())
-                .teleport(player)
-                .onSuccess(() -> issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
-                        Replace.PLAYER.with(getYouOrName(issuer, player)),
-                        Replace.DESTINATION.with(destination.toString())))
-                .onFailure(failure -> issuer.sendError(MVCorei18n.TELEPORT_FAILED,
-                        Replace.PLAYER.with(getYouOrName(issuer, player)),
-                        Replace.DESTINATION.with(destination.toString()),
-                        Replace.REASON.with(failure.getFailureMessage())));
+                .passengerMode(config.getPassengerMode())
+                .teleportSingle(player)
+                .onSuccess(() -> {
+                    if (parsedFlags.hasFlag(flags.silent)) {
+                        return;
+                    }
+                    issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
+                            Replace.PLAYER.with(getYouOrName(issuer, player)),
+                            Replace.DESTINATION.with(destination.getDisplayMessage()));
+                })
+                .onFailureCount(reasonsCountMap -> {
+                    for (var entry : reasonsCountMap.entrySet()) {
+                        Logging.finer("Failed to teleport %s players to %s: %s",
+                                entry.getValue(), destination, entry.getKey());
+                        issuer.sendError(MVCorei18n.TELEPORT_FAILED,
+                                Replace.PLAYER.with(player.getName()),
+                                Replace.DESTINATION.with(destination.getDisplayMessage()),
+                                Replace.REASON.with(Message.of(entry.getKey())));
+                    }
+                });
     }
 
     private Message getYouOrName(MVCommandIssuer issuer, Player player) {
@@ -131,19 +142,40 @@ final class TeleportCommand extends CoreCommand {
         safetyTeleporter.to(destination)
                 .by(issuer)
                 .checkSafety(!parsedFlags.hasFlag(flags.unsafe) && destination.checkTeleportSafety())
+                .passengerMode(config.getPassengerMode())
                 .teleport(List.of(players))
-                .onSuccessCount(successCount -> issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
-                        Replace.PLAYER.with(successCount + " players"),
-                        Replace.DESTINATION.with(destination.toString())))
+                .onSuccessCount(successCount -> {
+                    if (parsedFlags.hasFlag(flags.silent)) {
+                        return;
+                    }
+                    issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
+                            Replace.PLAYER.with(successCount + " players"),
+                            Replace.DESTINATION.with(destination.getDisplayMessage()));
+                })
                 .onFailureCount(reasonsCountMap -> {
                     for (var entry : reasonsCountMap.entrySet()) {
                         Logging.finer("Failed to teleport %s players to %s: %s",
                                 entry.getValue(), destination, entry.getKey());
                         issuer.sendError(MVCorei18n.TELEPORT_FAILED,
                                 Replace.PLAYER.with(entry.getValue() + " players"),
-                                Replace.DESTINATION.with(destination.toString()),
+                                Replace.DESTINATION.with(destination.getDisplayMessage()),
                                 Replace.REASON.with(Message.of(entry.getKey())));
                     }
                 });
     }
+
+    @Service
+    private static final class Flags extends UnsafeFlags {
+
+        private static final String NAME = "mvteleport";
+
+        @Inject
+        private Flags(@NotNull CommandFlagsManager flagsManager) {
+            super(NAME, flagsManager);
+        }
+
+        private final CommandFlag silent = flag(CommandFlag.builder("--silent")
+                .addAlias("-s")
+                .build());
+    }
 }

src/main/java/org/mvplugins/multiverse/core/commands/WhoCommand.java

@@ -74,12 +74,12 @@ class WhoCommand extends CoreCommand {
     @Subcommand("who")
     @CommandPermission("multiverse.core.list.who")
     @CommandCompletion("@mvworlds:scope=both @flags:groupName=" + PageFilterFlags.NAME)
-    @Syntax("<world> [--page <page>] [--filter <filter>]")
+    @Syntax("[world] [--page <page>] [--filter <filter>]")
     @Description("{@@mv-core.who.description}")
     void onWhoCommand(
             MVCommandIssuer issuer,
-            @Flags("resolve=issuerAware")
-            @Syntax("<world>")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
+            @Syntax("[world]")
             @Description("{@@mv-core.who.world.description}")
             LoadedMultiverseWorld inputtedWorld,
 

src/main/java/org/mvplugins/multiverse/core/commands/WorldBorderCommand.java

@@ -35,7 +35,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("[time]")
             int time,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -54,7 +54,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("[z]")
             double z,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -79,7 +79,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("<damage>")
             double damage,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -103,7 +103,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("<distance>")
             double distance,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -124,7 +124,7 @@ final class WorldBorderCommand extends CoreCommand {
     void onWorldBorderGet(
             MVCommandIssuer issuer,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -147,7 +147,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("[time]")
             int time,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -179,7 +179,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("<distance>")
             int distance,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {
@@ -203,7 +203,7 @@ final class WorldBorderCommand extends CoreCommand {
             @Syntax("<time>")
             int time,
 
-            @Flags("resolve=issuerAware")
+            @Flags("resolve=issuerAware,maxArgForAware=0")
             @Syntax("[world]")
             LoadedMultiverseWorld world
     ) {

src/main/java/org/mvplugins/multiverse/core/config/CoreConfig.java

@@ -8,15 +8,13 @@ import java.util.Locale;
 import com.dumptruckman.minecraft.util.Logging;
 import io.vavr.control.Try;
 import jakarta.inject.Inject;
-import jakarta.inject.Provider;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.event.EventPriority;
-import org.bukkit.plugin.PluginManager;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
 import org.mvplugins.multiverse.core.MultiverseCore;
-import org.mvplugins.multiverse.core.command.MVCommandManager;
 import org.mvplugins.multiverse.core.command.queue.ConfirmMode;
 import org.mvplugins.multiverse.core.config.handle.CommentedConfigurationHandle;
 import org.mvplugins.multiverse.core.config.handle.StringPropertyHandle;
@@ -27,7 +25,8 @@ import org.mvplugins.multiverse.core.config.migration.action.InvertBoolMigratorA
 import org.mvplugins.multiverse.core.config.migration.action.MoveMigratorAction;
 import org.mvplugins.multiverse.core.config.migration.VersionMigrator;
 import org.mvplugins.multiverse.core.config.migration.action.SetMigratorAction;
-import org.mvplugins.multiverse.core.destination.DestinationsProvider;
+import org.mvplugins.multiverse.core.teleportation.PassengerMode;
+import org.mvplugins.multiverse.core.teleportation.PassengerModes;
 import org.mvplugins.multiverse.core.world.helpers.DimensionFinder.DimensionFormat;
 
 @Service
@@ -187,6 +186,36 @@ public final class CoreConfig {
         return configHandle.get(configNodes.enforceFlight);
     }
 
+    @ApiStatus.AvailableSince("5.5")
+    public Try<Void> setGamemodeAndFlightEnforceDelay(int delayTicks) {
+        return configHandle.set(configNodes.gamemodeAndFlightEnforceDelay, delayTicks);
+    }
+
+    @ApiStatus.AvailableSince("5.5")
+    public int getGamemodeAndFlightEnforceDelay() {
+        return configHandle.get(configNodes.gamemodeAndFlightEnforceDelay);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public Try<Void> setApplyEntitySpawnRate(boolean applyEntitySpawnRate) {
+        return configHandle.set(configNodes.applyEntitySpawnRate, applyEntitySpawnRate);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public boolean getApplyEntitySpawnRate() {
+        return configHandle.get(configNodes.applyEntitySpawnRate);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public Try<Void> setApplyEntitySpawnLimit(boolean applyEntitySpawnLimit) {
+        return configHandle.set(configNodes.applyEntitySpawnLimit, applyEntitySpawnLimit);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public boolean getApplyEntitySpawnLimit() {
+        return configHandle.get(configNodes.applyEntitySpawnLimit);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -231,6 +260,31 @@ public final class CoreConfig {
         return configHandle.get(configNodes.useFinerTeleportPermissions);
     }
 
+    /**
+     * Sets the passenger mode
+     *
+     * @param passengerMode The passenger mode
+     * @return The set result
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Try<Void> setPassengerMode(PassengerModes passengerMode) {
+        return configHandle.set(configNodes.passengerMode, passengerMode);
+    }
+
+    /**
+     * Gets the passenger mode
+     *
+     * @return The passenger mode
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public PassengerMode getPassengerMode() {
+        return configHandle.get(configNodes.passengerMode);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -449,6 +503,26 @@ public final class CoreConfig {
         return configHandle.get(configNodes.registerPapiHook);
     }
 
+    @ApiStatus.AvailableSince("5.5")
+    public Try<Void> setWarnInvalidPapiFormat(boolean warnInvalidPapiFormat) {
+        return configHandle.set(configNodes.warnInvalidPapiFormat, warnInvalidPapiFormat);
+    }
+
+    @ApiStatus.AvailableSince("5.5")
+    public boolean getWarnInvalidPapiFormat() {
+        return configHandle.get(configNodes.warnInvalidPapiFormat);
+    }
+
+    @ApiStatus.AvailableSince("5.5")
+    public Try<Void> setInvalidPapiFormatReturnsBlank(boolean invalidPapiFormatReturnsBlank) {
+        return configHandle.set(configNodes.invalidPapiFormatReturnsBlank, invalidPapiFormatReturnsBlank);
+    }
+
+    @ApiStatus.AvailableSince("5.5")
+    public  boolean getInvalidPapiFormatReturnsBlank() {
+        return configHandle.get(configNodes.invalidPapiFormatReturnsBlank);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -491,6 +565,16 @@ public final class CoreConfig {
         return configHandle.get(configNodes.resolveAliasName);
     }
 
+    @ApiStatus.AvailableSince("5.4")
+    public Try<Void> setSimplifiedDestinationTabCompletion(boolean simplifiedDestinationTabCompletion) {
+        return configHandle.set(configNodes.simplifiedDestinationTabCompletion, simplifiedDestinationTabCompletion);
+    }
+
+    @ApiStatus.AvailableSince("5.4")
+    public boolean getSimplifiedDestinationTabCompletion() {
+        return configHandle.get(configNodes.simplifiedDestinationTabCompletion);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -567,6 +651,16 @@ public final class CoreConfig {
         return configHandle.get(configNodes.eventPriorityPlayerTeleport);
     }
 
+    @ApiStatus.AvailableSince("5.5")
+    public Try<Void> setEventPriorityPlayerWorldChange(EventPriority eventPriorityPlayerWorldChange) {
+        return configHandle.set(configNodes.eventPriorityPlayerWorldChange, eventPriorityPlayerWorldChange);
+    }
+
+    @ApiStatus.AvailableSince("5.5")
+    public EventPriority getEventPriorityPlayerWorldChange() {
+        return configHandle.get(configNodes.eventPriorityPlayerWorldChange);
+    }
+
     public Try<Void> setBukkitYmlPath(String bukkitYmlPath) {
         return configHandle.set(configNodes.bukkitYmlPath, bukkitYmlPath);
     }
@@ -575,6 +669,26 @@ public final class CoreConfig {
         return configHandle.get(configNodes.bukkitYmlPath);
     }
 
+    @ApiStatus.AvailableSince("5.3")
+    public Try<Void> setServerPropertiesPath(String serverPropertiesPath) {
+        return configHandle.set(configNodes.serverPropertiesPath, serverPropertiesPath);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public String getServerPropertiesPath() {
+        return configHandle.get(configNodes.serverPropertiesPath);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public Try<Void> setAutoDetectGeneratorPlugins(boolean autoDetectGeneratorPlugins) {
+        return configHandle.set(configNodes.autoDetectGeneratorPlugins, autoDetectGeneratorPlugins);
+    }
+
+    @ApiStatus.AvailableSince("5.3")
+    public boolean getAutoDetectGeneratorPlugins() {
+        return configHandle.get(configNodes.autoDetectGeneratorPlugins);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -632,10 +746,11 @@ public final class CoreConfig {
     }
 
     /**
-     * Gets the underlying config file object
+     * Gets the underlying config file object. For internal use only.
      *
      * @return The config file
      */
+    @ApiStatus.Internal
     public FileConfiguration getConfig() {
         return configHandle.getConfig();
     }

src/main/java/org/mvplugins/multiverse/core/config/CoreConfigNodes.java

@@ -4,7 +4,8 @@ import com.dumptruckman.minecraft.util.Logging;
 import io.vavr.control.Try;
 import jakarta.inject.Inject;
 import jakarta.inject.Provider;
-import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
 import org.bukkit.event.EventPriority;
 import org.bukkit.plugin.PluginManager;
 
@@ -19,12 +20,13 @@ import org.mvplugins.multiverse.core.config.node.Node;
 import org.mvplugins.multiverse.core.config.node.NodeGroup;
 import org.mvplugins.multiverse.core.config.node.functions.NodeStringParser;
 import org.mvplugins.multiverse.core.config.node.serializer.NodeSerializer;
+import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
-import org.mvplugins.multiverse.core.destination.core.WorldDestination;
 import org.mvplugins.multiverse.core.dynamiclistener.EventPriorityMapper;
 import org.mvplugins.multiverse.core.event.MVDebugModeEvent;
 import org.mvplugins.multiverse.core.exceptions.MultiverseException;
 import org.mvplugins.multiverse.core.permissions.PermissionUtils;
+import org.mvplugins.multiverse.core.teleportation.PassengerModes;
 import org.mvplugins.multiverse.core.world.helpers.DimensionFinder.DimensionFormat;
 
 import java.util.Collection;
@@ -75,13 +77,10 @@ final class CoreConfigNodes {
             .comment("#                    █░▀░█ █▄█ █▄▄ ░█░ █ ▀▄▀ ██▄ █▀▄ ▄█ ██▄   █▄▄ █▄█ █▀▄ ██▄                      #")
             .comment("#                                                                                                  #")
             .comment("#                                                                                                  #")
-            .comment("#    WIKI:        https://github.com/Multiverse/Multiverse-Core/wiki                               #")
+            .comment("#    WIKI:        https://mvplugins.org/core/                                                      #")
             .comment("#    DISCORD:     https://discord.gg/NZtfKky                                                       #")
             .comment("#    BUG REPORTS: https://github.com/Multiverse/Multiverse-Core/issues                             #")
-            .comment("#                                                                                                  #")
-            .comment("#                                                                                                  #")
-            .comment("#    Each option in this file is documented and explained here:                                    #")
-            .comment("#     ==>  https://github.com/Multiverse/Multiverse-Core/wiki/config.yml                           #")
+            .comment("#    DONATE:      https://github.com/sponsors/Multiverse                                           #")
             .comment("#                                                                                                  #")
             .comment("#                                                                                                  #")
             .comment("#    New options are added to this file automatically. If you manually made changes                #")
@@ -93,7 +92,6 @@ final class CoreConfigNodes {
             .build());
 
     final ConfigNode<Boolean> autoImportDefaultWorlds = node(ConfigNode.builder("world.auto-import-default-worlds", Boolean.class)
-            .comment("")
             .comment("When enabled, Multiverse will automatically import default worlds defined in the server.properties")
             .comment("`level-name` property when the Multiverse is enabled or reloaded. This will include the nether and ")
             .comment("end if the server created them.")
@@ -110,6 +108,7 @@ final class CoreConfigNodes {
             .build());
 
     final ConfigNode<Boolean> enforceAccess = node(ConfigNode.builder("world.enforce-access", Boolean.class)
+            .comment("")
             .comment("This setting will prevent players from entering worlds they don't have access to.")
             .comment("If this is set to false, players will be able to enter any world they want.")
             .comment("If this is set to true, players will only be able to enter worlds they have")
@@ -136,6 +135,42 @@ final class CoreConfigNodes {
             .name("enforce-flight")
             .build());
 
+    final ConfigNode<Integer> gamemodeAndFlightEnforceDelay = node(ConfigNode.builder("world.gamemode-and-flight-enforce-delay", Integer.class)
+            .comment("")
+            .comment("Sets the delay in ticks before Multiverse enforces gamemode and flight ability on world change.")
+            .comment("Increase this value if you are experiencing issues with other plugins overriding gamemode or flight ability.")
+            .comment("Or set to 0 to enforce immediately during world change event.")
+            .defaultValue(1)
+            .name("gamemode-and-flight-enforce-delay")
+            .suggester((sender -> List.of("0", "1", "2", "5", "10")))
+            .build());
+
+    final ConfigNode<Boolean> applyEntitySpawnRate = node(ConfigNode.builder("world.apply-entity-spawn-rate", Boolean.class)
+            .comment("")
+            .comment("Sets whether Multiverse will apply the world's entity `tick-rate` config in worlds.yml.")
+            .comment("If disabled, the `tick-rate` config in worlds.yml will be ignored.")
+            .comment("Disable this if you want paper-world.yml or another plugin to handle entity spawn rate per world.")
+            .comment("!!!NOTE: This will only apply after a server restart!")
+            .defaultValue(true)
+            .name("apply-entity-spawn-rate")
+            .onChange(((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'apply-entity-spawn-rate' config option will only take " +
+                            "full effect after a server restart.")))
+            .build());
+
+    final ConfigNode<Boolean> applyEntitySpawnLimit = node(ConfigNode.builder("world.apply-entity-spawn-limit", Boolean.class)
+            .comment("")
+            .comment("Sets whether Multiverse will apply the world's entity `spawn-limit` config when a world is loaded.")
+            .comment("If disabled, the `spawn-limit` config in worlds.yml will be ignored.")
+            .comment("Disable this if you want paper-world.yml or another plugin to handle entity limits per world.")
+            .comment("!!!NOTE: This will only apply after a server restart!")
+            .defaultValue(true)
+            .name("apply-entity-spawn-limit")
+            .onChange(((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'apply-entity-spawn-limit' config option will only take" +
+                            " full effect after a server restart.")))
+            .build());
+
     final ConfigNode<Boolean> autoPurgeEntities = node(ConfigNode.builder("world.auto-purge-entities", Boolean.class)
             .comment("")
             .comment("Sets whether Multiverse will purge entities on world load based world's entity spawn config.")
@@ -183,6 +218,24 @@ final class CoreConfigNodes {
             .name("use-finer-teleport-permissions")
             .build());
 
+    final ConfigNode<PassengerModes> passengerMode = node(ConfigNode.builder("teleport.passenger-mode", PassengerModes.class)
+            .comment("")
+            .comment("Configures how passengers and vehicles are handled when an entity is teleported. This config is")
+            .comment("only applied to /mvtp, join-destination and first-spawn-override. It will not touch any other")
+            .comment("teleport by other plugins or commands.")
+            .comment("========= Available options: =========")
+            .comment("  default: Server will handle passengers and vehicles. On papermc 1.21.10+, all will be retained by default.")
+            .comment("                                                       On older versions, all will be dismounted if world changes.")
+            .comment("  dismount_passengers: Passengers will be removed from the parent entity before the teleport.")
+            .comment("  dismount_vehicle: Vehicle will be removed and from the parent entity before the teleport.")
+            .comment("  dismount_all: All passengers and vehicles will be removed from the parent entity before the teleport.")
+            .comment("  retain_passengers: Passengers will teleport together with the parent entity.")
+            .comment("  retain_vehicle: Vehicles will teleport together with the parent entity.")
+            .comment("  retain_all: All passengers and vehicles will teleport together with the parent entity.")
+            .defaultValue(PassengerModes.DEFAULT)
+            .name("passenger-mode")
+            .build());
+
     final ConfigNode<Integer> concurrentTeleportLimit = node(ConfigNode.builder("teleport.concurrent-teleport-limit", Integer.class)
             .comment("")
             .comment("Sets the maximum number of players allowed to be teleported at once with `/mv teleport` command")
@@ -237,6 +290,7 @@ final class CoreConfigNodes {
             .defaultValue("")
             .name("first-spawn-location")
             .suggester(this::suggestDestinations)
+            .stringParser(this::parseDestinationString)
             .build());
 
     final ConfigNode<Boolean> enableJoinDestination = node(ConfigNode.builder("spawn.enable-join-destination", Boolean.class)
@@ -254,6 +308,7 @@ final class CoreConfigNodes {
             .defaultValue("")
             .name("join-destination")
             .suggester(this::suggestDestinations)
+            .stringParser(this::parseDestinationString)
             .build());
 
     final ConfigNode<Boolean> defaultRespawnInOverworld = node(ConfigNode.builder("spawn.default-respawn-in-overworld", Boolean.class)
@@ -348,12 +403,29 @@ final class CoreConfigNodes {
             .name("register-papi-hook")
             .build());
 
+    final ConfigNode<Boolean> warnInvalidPapiFormat = node(ConfigNode.builder("messaging.warn-invalid-papi-format", Boolean.class)
+            .comment("")
+            .comment("This config option defines whether or not Multiverse should warn about invalid PlaceholderAPI formats.")
+            .comment("Only applies if PlaceholderAPI is installed, and only to multiverse placeholders.")
+            .defaultValue(true)
+            .name("warn-invalid-papi-format")
+            .build());
+
+    final ConfigNode<Boolean> invalidPapiFormatReturnsBlank = node(ConfigNode.builder("messaging.invalid-papi-format-returns-blank", Boolean.class)
+            .comment("")
+            .comment("By default, invalid formats will return the original placeholder string.")
+            .comment("This config option defines whether or not Multiverse should show invalid PlaceholderAPI formats as blank.")
+            .comment("Only applies if PlaceholderAPI is installed, and only to multiverse placeholders.")
+            .defaultValue(false)
+            .name("invalid-papi-format-returns-blank")
+            .build());
+
     final ConfigNode<Locale> defaultLocale = node(ConfigNode.builder("messaging.default-locale", Locale.class)
             .comment("")
             .comment("This config option defines the default language Multiverse should use.")
             .defaultValue(Locale.ENGLISH)
             .name("default-locale")
-            .onSetValue((oldValue, newValue) ->
+            .onLoadAndChange((oldValue, newValue) ->
                     commandManager.get().getLocales().setDefaultLocale(newValue))
             .build());
 
@@ -363,9 +435,8 @@ final class CoreConfigNodes {
             .comment("If the player's language does not have a translation, it will use the default language set above instead.")
             .defaultValue(true)
             .name("per-player-locale")
-            .onSetValue((oldValue, newValue) -> {
-                commandManager.get().usePerIssuerLocale(newValue);
-            })
+            .onLoadAndChange((oldValue, newValue) ->
+                    commandManager.get().usePerIssuerLocale(newValue))
             .build());
 
     private final ConfigHeaderNode commandHeader = node(ConfigHeaderNode.builder("command")
@@ -381,6 +452,15 @@ final class CoreConfigNodes {
             .name("resolve-alias-name")
             .build());
 
+    final ConfigNode<Boolean> simplifiedDestinationTabCompletion = node(ConfigNode.builder("command.simplified-destination-tab-completion", Boolean.class)
+            .comment("")
+            .comment("If this is set to true, Multiverse will only suggest simple destination formats in tab completion.")
+            .comment("This means only world names will be suggested without other destination type such as `e:worldname:x,y,z` or `p:playername`.")
+            .comment("Note: This DOES NOT prevent players from using the destinations, as that is controlled by permissions.")
+            .defaultValue(false)
+            .name("simplified-destination-tab-completion")
+            .build());
+
     final ConfigNode<ConfirmMode> confirmMode = node(ConfigNode.builder("command.confirm-mode", ConfirmMode.class)
             .comment("")
             .comment("This config option defines whether `/mv confirm` is needed before running a DANGEROUS action.")
@@ -435,8 +515,11 @@ final class CoreConfigNodes {
             .comment("")
             .comment("This config option defines the priority for the PlayerPortalEvent.")
             .name("event-priority-player-portal")
-            .onSetValue((oldValue, newValue) ->
+            .onLoadAndChange((oldValue, newValue) ->
                     eventPriorityMapper.get().setPriority("mvcore-player-portal", newValue))
+            .onChange(((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'event-priority.player-portal' config option will only take " +
+                            "full effect after a server restart.")))
             .build());
 
     final ConfigNode<EventPriority> eventPriorityPlayerRespawn = node(ConfigNode.builder("event-priority.player-respawn", EventPriority.class)
@@ -444,16 +527,23 @@ final class CoreConfigNodes {
             .name("event-priority-player-respawn")
             .comment("")
             .comment("This config option defines the priority for the PlayerRespawnEvent.")
-            .onSetValue((oldValue, newValue) ->
+            .onLoadAndChange((oldValue, newValue) ->
                     eventPriorityMapper.get().setPriority("mvcore-player-respawn", newValue))
+            .onChange((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'event-priority.player-respawn' config option will only take " +
+                            "full effect after a server restart."))
             .build());
 
     final ConfigNode<EventPriority> eventPriorityPlayerSpawnLocation = node(ConfigNode.builder("event-priority.player-spawn-location", EventPriority.class)
             .defaultValue(EventPriority.NORMAL)
             .comment("")
             .comment("This config option defines the priority for the PlayerSpawnLocationEvent.")
-            .name("event-priority-player-spawn-location").onSetValue((oldValue, newValue) ->
+            .name("event-priority-player-spawn-location")
+            .onLoadAndChange((oldValue, newValue) ->
                     eventPriorityMapper.get().setPriority("mvcore-player-spawn-location", newValue))
+            .onChange((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'event-priority.player-spawn-location' config option will only take " +
+                            "full effect after a server restart."))
             .build());
 
     final ConfigNode<EventPriority> eventPriorityPlayerTeleport = node(ConfigNode.builder("event-priority.player-teleport", EventPriority.class)
@@ -461,8 +551,23 @@ final class CoreConfigNodes {
             .name("event-priority-player-teleport")
             .comment("")
             .comment("This config option defines the priority for the PlayerTeleportEvent.")
-            .onSetValue((oldValue, newValue) ->
+            .onLoadAndChange((oldValue, newValue) ->
                     eventPriorityMapper.get().setPriority("mvcore-player-teleport", newValue))
+            .onChange((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'event-priority.player-teleport' config option will only take " +
+                            "full effect after a server restart."))
+            .build());
+
+    final ConfigNode<EventPriority> eventPriorityPlayerWorldChange = node(ConfigNode.builder("event-priority.player-changed-world", EventPriority.class)
+            .defaultValue(EventPriority.NORMAL)
+            .name("event-priority-player-changed-world")
+            .comment("")
+            .comment("This config option defines the priority for the PlayerChangedWorldEvent.")
+            .onLoadAndChange((oldValue, newValue) ->
+                    eventPriorityMapper.get().setPriority("mvcore-player-changed-world", newValue))
+            .onChange((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'event-priority.player-changed-world' config option will only take " +
+                            "full effect after a server restart."))
             .build());
 
     private final ConfigHeaderNode miscHeader = node(ConfigHeaderNode.builder("misc")
@@ -475,6 +580,29 @@ final class CoreConfigNodes {
             .comment("Note: this config option needs a server restart to take effect.")
             .defaultValue("bukkit.yml")
             .name("bukkit-yml-path")
+            .onChange(((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'bukkit-yml-path' config option will only take " +
+                            "full effect after a server restart.")))
+            .build());
+
+    final ConfigNode<String> serverPropertiesPath = node(ConfigNode.builder("misc.server-properties-path", String.class)
+            .comment("")
+            .comment("Change this if you use a custom path for the server.properties file with `--config` startup flag.")
+            .comment("Note: this config option needs a server restart to take effect.")
+            .defaultValue("server.properties")
+            .name("server-properties-path")
+            .onChange(((sender, oldValue, newValue) ->
+                    sender.sendMessage(ChatColor.YELLOW + "'server-properties-path' config option will only take " +
+                            "full effect after a server restart.")))
+            .build());
+
+    final ConfigNode<Boolean> autoDetectGeneratorPlugins = node(ConfigNode.builder("misc.auto-detect-generator-plugins", Boolean.class)
+            .comment("")
+            .comment("When enabled, Multiverse will attempt to automatically detect world generator plugins installed on your server.")
+            .comment("This option only affects tab-completion within `/mv create` command and output of `/mv generators` command.")
+            .comment("Disabling this will not have any affect on the usages of world generator plugins itself.")
+            .defaultValue(true)
+            .name("auto-detect-generator-plugins")
             .build());
 
     final ConfigNode<Integer> globalDebug = node(ConfigNode.builder("misc.global-debug", Integer.class)
@@ -492,7 +620,7 @@ final class CoreConfigNodes {
             .validator(value -> (value < 0 || value > 3)
                     ? Try.failure(new MultiverseException("Debug level must be between 0 and 3."))
                     : Try.success(null))
-            .onSetValue((oldValue, newValue) -> {
+            .onLoadAndChange((oldValue, newValue) -> {
                 if (newValue != Logging.getDebugLevel()) {
                     Logging.setDebugLevel(newValue);
                     pluginManager.callEvent(new MVDebugModeEvent(newValue));
@@ -501,11 +629,12 @@ final class CoreConfigNodes {
             .build());
 
     final ConfigNode<Boolean> debugPermissions = node(ConfigNode.builder("misc.debug-permissions", Boolean.class)
+            .comment("")
             .comment("Sets whether console will log every permission check done by all multiverse plugins.")
             .comment("This will only work if the above 'global-debug' is set to 1 or more.")
             .defaultValue(false)
             .name("debug-permissions")
-            .onSetValue((oldValue, newValue) -> PermissionUtils.setDebugPermissions(newValue))
+            .onLoadAndChange((oldValue, newValue) -> PermissionUtils.setDebugPermissions(newValue))
             .build());
 
     final ConfigNode<Boolean> silentStart = node(ConfigNode.builder("misc.silent-start", Boolean.class)
@@ -513,12 +642,13 @@ final class CoreConfigNodes {
             .comment("If true, the startup console messages will no longer show.")
             .defaultValue(false)
             .name("silent-start")
-            .onSetValue((oldValue, newValue) -> Logging.setShowingConfig(!newValue))
+            .onLoadAndChange((oldValue, newValue) -> Logging.setShowingConfig(!newValue))
             .build());
 
     final ConfigNode<Boolean> showDonationMessage = node(ConfigNode.builder("misc.show-donation-message", Boolean.class)
             .comment("")
             .comment("If you don't want to donate, you can set this to false and Multiverse will stop nagging you.")
+            .comment("But if you want to donate, here is our Github Sponsors page: https://github.com/sponsors/Multiverse")
             .defaultValue(true)
             .name("show-donation-message")
             .build());
@@ -532,15 +662,14 @@ final class CoreConfigNodes {
             .hidden()
             .build());
 
-    // todo: Maybe combine with the similar method in MVCommandCompletion but that has permission checking
-    private Collection<String> suggestDestinations(String input) {
-        return destinationsProvider.get().getDestinations().stream()
-                .flatMap(destination -> destination.suggestDestinations(Bukkit.getConsoleSender(), null)
-                        .stream()
-                        .map(packet -> destination instanceof WorldDestination
-                                ? packet.destinationString()
-                                : destination.getIdentifier() + ":" + packet.destinationString()))
-                .toList();
+    private Collection<String> suggestDestinations(CommandSender sender, String input) {
+        return destinationsProvider.get().suggestDestinationStrings(sender, input);
+    }
+
+    private Try<String> parseDestinationString(CommandSender sender, String input, Class<String> type) {
+        return destinationsProvider.get().parseDestination(sender, input)
+                .map(DestinationInstance::toString)
+                .toTry();
     }
 
     private static final class DimensionFormatNodeSerializer implements NodeSerializer<DimensionFormat> {

src/main/java/org/mvplugins/multiverse/core/config/handle/BaseConfigurationHandle.java

@@ -3,19 +3,22 @@ package org.mvplugins.multiverse.core.config.handle;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.logging.Logger;
 
 import com.dumptruckman.minecraft.util.Logging;
 import io.vavr.control.Option;
 import io.vavr.control.Try;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.config.migration.ConfigMigrator;
 import org.mvplugins.multiverse.core.config.node.ListValueNode;
-import org.mvplugins.multiverse.core.config.node.Node;
 import org.mvplugins.multiverse.core.config.node.NodeGroup;
 import org.mvplugins.multiverse.core.config.node.ValueNode;
 
@@ -84,7 +87,8 @@ public abstract class BaseConfigurationHandle<C extends ConfigurationSection> {
         });
 
         nodeValueMap.forEach((valueNode, value) -> {
-            valueNode.onSetValue(value, value);
+            valueNode.onLoad(value);
+            valueNode.onLoadAndChange(Bukkit.getConsoleSender(), null, value);
         });
     }
 
@@ -156,10 +160,27 @@ public abstract class BaseConfigurationHandle<C extends ConfigurationSection> {
      * @return Empty try if the value was set, try containing an error otherwise.
      */
     public <T> Try<Void> set(@NotNull ValueNode<T> node, T value) {
+        return set(Bukkit.getConsoleSender(), node, value);
+    }
+
+    /**
+     * Sets the value of a node, if the validator is not null, it will be tested first.
+     *
+     * @param sender The sender who triggered the change.
+     * @param node   The node to set the value of.
+     * @param value  The value to set.
+     * @param <T>    The type of the node value.
+     * @return Empty try if the value was set, try containing an error otherwise.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    public <T> Try<Void> set(@NotNull CommandSender sender, @NotNull ValueNode<T> node, T value) {
         return node.validate(value).map(ignore -> {
             T oldValue = get(node);
             nodeValueMap.put(node, value);
-            node.onSetValue(oldValue, get(node));
+            node.onLoadAndChange(sender, oldValue, value);
+            node.onChange(sender, oldValue, value);
             return null;
         });
     }

src/main/java/org/mvplugins/multiverse/core/config/handle/StringPropertyHandle.java

@@ -5,6 +5,9 @@ import java.util.Collections;
 
 import io.vavr.control.Option;
 import io.vavr.control.Try;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -40,6 +43,7 @@ public class StringPropertyHandle {
 
     /**
      * Get property names that can be modified. ADD and REMOVE actions can only be used on list nodes.
+     *
      * @param action The target action
      * @return The property names modifiable for the action.
      */
@@ -71,20 +75,47 @@ public class StringPropertyHandle {
     /**
      * Suggests property values for command auto-complete based on the input and action type.
      *
-     * @param name The name of the property.
-     * @param input The input value to suggest based on.
-     * @param action The modification action being performed.
+     * @param name      The name of the property.
+     * @param input     The input value to suggest based on.
+     * @param action    The modification action being performed.
      * @return A collection of suggested values.
      */
     public Collection<String> getSuggestedPropertyValue(
-            @Nullable String name, @Nullable String input, @NotNull PropertyModifyAction action) {
+            @Nullable String name,
+            @Nullable String input,
+            @NotNull PropertyModifyAction action
+    ) {
+        return getSuggestedPropertyValue(name, input, action, Bukkit.getConsoleSender());
+    }
+
+    /**
+     * Suggests property values for command auto-complete based on the input and action type.
+     * <br />
+     * Providing a sender gives contextual information such as sender name, permissions, or player location
+     * for better suggestions.
+     *
+     * @param name      The name of the property.
+     * @param input     The input value to suggest based on.
+     * @param action    The modification action being performed.
+     * @param sender    The sender context to use.
+     * @return A collection of suggested values
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Collection<String> getSuggestedPropertyValue(
+            @Nullable String name,
+            @Nullable String input,
+            @NotNull PropertyModifyAction action,
+            @NotNull CommandSender sender
+    ) {
         return switch (action) {
             case SET -> findNode(name, ValueNode.class)
-                    .map(node -> node.suggest(input))
+                    .map(node -> node.suggest(sender, input))
                     .getOrElse(Collections.emptyList());
 
             case ADD -> findNode(name, ListValueNode.class)
-                    .map(node -> node.suggestItem(input))
+                    .map(node -> node.suggestItem(sender, input))
                     .getOrElse(Collections.emptyList());
 
             case REMOVE -> findNode(name, ListValueNode.class)
@@ -111,7 +142,7 @@ public class StringPropertyHandle {
     /**
      * Sets the value of the specified property name.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The value to set.
      * @return A Try indicating success or failure.
      */
@@ -122,7 +153,7 @@ public class StringPropertyHandle {
     /**
      * Adds a value to a list property name.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The value to add.
      * @return A Try indicating success or failure.
      */
@@ -133,7 +164,7 @@ public class StringPropertyHandle {
     /**
      * Removes a value from a list property name.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The value to remove.
      * @return A Try indicating success or failure.
      */
@@ -154,9 +185,9 @@ public class StringPropertyHandle {
     /**
      * Modifies a property name based on the given action.
      *
-     * @param name The name of the property.
-     * @param value The new value (if applicable).
-     * @param action The modification action.
+     * @param name      The name of the property.
+     * @param value     The new value (if applicable).
+     * @param action    The modification action.
      * @return A Try indicating success or failure.
      */
     public Try<Void> modifyProperty(
@@ -173,59 +204,128 @@ public class StringPropertyHandle {
     /**
      * Sets the property value from a string representation.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The string value to set.
      * @return A Try indicating success or failure.
      */
     public Try<Void> setPropertyString(@Nullable String name, @Nullable String value) {
+        return setPropertyString(Bukkit.getConsoleSender(), name, value);
+    }
+
+    /**
+     * Sets the property value from a string representation with a sender context.
+     *
+     * @param sender    The sender context.
+     * @param name      The name of the property.
+     * @param value     The string value to set.
+     * @return A Try indicating success or failure.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Try<Void> setPropertyString(@NotNull CommandSender sender, @Nullable String name, @Nullable String value) {
         return findNode(name, ValueNode.class)
-                .flatMap(node -> node.parseFromString(value)
-                        .flatMap(parsedValue -> handle.set(node, parsedValue)));
+                .flatMap(node -> node.parseFromString(sender, value)
+                        .flatMap(parsedValue -> handle.set(sender, node, parsedValue)));
     }
 
     /**
      * Adds a value to a list property using its string representation.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The string value to add.
      * @return A Try indicating success or failure.
      */
     public Try<Void> addPropertyString(@Nullable String name, @Nullable String value) {
+        return addPropertyString(Bukkit.getConsoleSender(), name, value);
+    }
+
+    /**
+     * Adds a value to a list property using its string representation with a sender context.
+     *
+     * @param sender    The sender context.
+     * @param name      The name of the property.
+     * @param value     The string value to add.
+     * @return A Try indicating success or failure.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Try<Void> addPropertyString(@NotNull CommandSender sender, @Nullable String name, @Nullable String value) {
         return findNode(name, ListValueNode.class)
-                .flatMap(node -> node.parseItemFromString(value)
+                .flatMap(node -> node.parseItemFromString(sender, value)
                         .flatMap(parsedValue -> handle.add(node, parsedValue)));
     }
 
     /**
      * Removes a value from a list property using its string representation.
      *
-     * @param name The name of the property.
+     * @param name  The name of the property.
      * @param value The string value to remove.
      * @return A Try indicating success or failure.
      */
     public Try<Void> removePropertyString(@Nullable String name, @Nullable String value) {
+        return removePropertyString(Bukkit.getConsoleSender(), name, value);
+    }
+
+    /**
+     * Removes a value from a list property using its string representation with a sender context.
+     *
+     * @param sender    The sender context.
+     * @param name      The name of the property.
+     * @param value     The string value to remove.
+     * @return A Try indicating success or failure.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Try<Void> removePropertyString(@NotNull CommandSender sender, @Nullable String name, @Nullable String value) {
         return findNode(name, ListValueNode.class)
-                .flatMap(node -> node.parseItemFromString(value)
+                .flatMap(node -> node.parseItemFromString(sender, value)
                         .flatMap(parsedValue -> handle.remove(node, parsedValue)));
     }
 
     /**
      * Modifies a property using a string value based on the given action.
      *
-     * @param name The name of the property.
-     * @param value The string value (if applicable).
-     * @param action The modification action.
+     * @param name      The name of the property.
+     * @param value     The string value (if applicable).
+     * @param action    The modification action.
      * @return A Try indicating success or failure.
      */
     public Try<Void> modifyPropertyString(
-            @Nullable String name, @Nullable String value, @NotNull PropertyModifyAction action) {
+            @Nullable String name,
+            @Nullable String value,
+            @NotNull PropertyModifyAction action
+    ) {
+        return modifyPropertyString(Bukkit.getConsoleSender(), name, value, action);
+    }
+
+    /**
+     * Modifies a property using a string value based on the given action with a sender context.
+     *
+     * @param sender    The sender context.
+     * @param name      The name of the property.
+     * @param value     The string value (if applicable).
+     * @param action    The modification action.
+     * @return A Try indicating success or failure.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public Try<Void> modifyPropertyString(
+            @NotNull CommandSender sender,
+            @Nullable String name,
+            @Nullable String value,
+            @NotNull PropertyModifyAction action
+    ) {
         if (action.isRequireValue() && (value == null)) {
             return Try.failure(new IllegalArgumentException("Value is required for PropertyModifyAction: " + action));
         }
         return switch (action) {
-            case SET -> setPropertyString(name, value);
-            case ADD -> addPropertyString(name, value);
-            case REMOVE -> removePropertyString(name, value);
+            case SET -> setPropertyString(sender, name, value);
+            case ADD -> addPropertyString(sender, name, value);
+            case REMOVE -> removePropertyString(sender, name, value);
             case RESET -> resetProperty(name);
             default -> Try.failure(new IllegalArgumentException("Unknown action: " + action));
         };
@@ -234,9 +334,9 @@ public class StringPropertyHandle {
     /**
      * Finds a configuration node by name and type.
      *
-     * @param name The name of the node.
-     * @param type The expected class type of the node.
-     * @param <T> The type of node.
+     * @param name  The name of the node.
+     * @param type  The expected class type of the node.
+     * @param <T>   The type of node.
      * @return A Try containing the found node or a failure if not found.
      */
     private <T extends Node> Try<T> findNode(@Nullable String name, @NotNull Class<T> type) {

src/main/java/org/mvplugins/multiverse/core/config/node/ConfigNode.java

@@ -8,9 +8,17 @@ import java.util.function.Supplier;
 
 import io.vavr.control.Option;
 import io.vavr.control.Try;
+import org.apache.logging.log4j.util.Strings;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import org.mvplugins.multiverse.core.config.node.functions.NodeChangeCallback;
+import org.mvplugins.multiverse.core.config.node.functions.NodeValueCallback;
+import org.mvplugins.multiverse.core.config.node.functions.SenderNodeChangeCallback;
+import org.mvplugins.multiverse.core.config.node.functions.SenderNodeStringParser;
+import org.mvplugins.multiverse.core.config.node.functions.SenderNodeSuggester;
 import org.mvplugins.multiverse.core.config.node.serializer.DefaultSerializerProvider;
 import org.mvplugins.multiverse.core.config.node.functions.DefaultStringParserProvider;
 import org.mvplugins.multiverse.core.config.node.functions.DefaultSuggesterProvider;
@@ -42,27 +50,34 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
 
     protected final @Nullable String name;
     protected final @NotNull Class<T> type;
+    protected final @NotNull String[] aliases;
     protected @Nullable Supplier<T> defaultValue;
     protected @Nullable NodeSuggester suggester;
     protected @Nullable NodeStringParser<T> stringParser;
     protected @Nullable NodeSerializer<T> serializer;
     protected @Nullable Function<T, Try<Void>> validator;
-    protected @Nullable BiConsumer<T, T> onSetValue;
+    protected @Nullable NodeValueCallback<T> onLoad;
+    protected @Nullable NodeChangeCallback<T> onLoadAndChange;
+    protected @Nullable NodeChangeCallback<T> onChange;
 
     protected ConfigNode(
             @NotNull String path,
             @NotNull String[] comments,
             @Nullable String name,
             @NotNull Class<T> type,
+            @NotNull String[] aliases,
             @Nullable Supplier<T> defaultValue,
             @Nullable NodeSuggester suggester,
             @Nullable NodeStringParser<T> stringParser,
             @Nullable NodeSerializer<T> serializer,
             @Nullable Function<T, Try<Void>> validator,
-            @Nullable BiConsumer<T, T> onSetValue) {
+            @Nullable NodeValueCallback<T> onLoad,
+            @Nullable NodeChangeCallback<T> onLoadAndChange,
+            @Nullable NodeChangeCallback<T> onChange) {
         super(path, comments);
         this.name = name;
         this.type = type;
+        this.aliases = aliases;
         this.defaultValue = defaultValue;
         this.suggester = (suggester != null)
                 ? suggester
@@ -74,7 +89,9 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
                 ? serializer
                 : DefaultSerializerProvider.getDefaultSerializer(type);
         this.validator = validator;
-        this.onSetValue = onSetValue;
+        this.onLoad = onLoad;
+        this.onLoadAndChange = onLoadAndChange;
+        this.onChange = onChange;
     }
 
     /**
@@ -93,6 +110,14 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
         return type;
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull String[] getAliases() {
+        return aliases;
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -115,6 +140,17 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
         return Collections.emptyList();
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Collection<String> suggest(@NotNull CommandSender sender, @Nullable String input) {
+        if (suggester != null && suggester instanceof SenderNodeSuggester senderSuggester) {
+            return senderSuggester.suggest(sender, input);
+        }
+        return suggest(input);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -126,6 +162,17 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
         return Try.failure(new UnsupportedOperationException("No string parser for type " + type.getName()));
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Try<T> parseFromString(@NotNull CommandSender sender, @Nullable String input) {
+        if (stringParser != null && stringParser instanceof SenderNodeStringParser<T> senderStringParser) {
+            return senderStringParser.parse(sender, input, type);
+        }
+        return parseFromString(input);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -148,9 +195,29 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
      * {@inheritDoc}
      */
     @Override
-    public void onSetValue(@Nullable T oldValue, @Nullable T newValue) {
-        if (onSetValue != null) {
-            onSetValue.accept(oldValue, newValue);
+    public void onLoad(@Nullable T value) {
+        if (onLoad != null) {
+            onLoad.run(value);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onLoadAndChange(@NotNull CommandSender sender, @Nullable T oldValue, @Nullable T newValue) {
+        if (onLoadAndChange != null) {
+            onLoadAndChange.run(sender, oldValue, newValue);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onChange(@NotNull CommandSender sender, @Nullable T oldValue, @Nullable T newValue) {
+        if (onChange != null) {
+            onChange.run(sender, oldValue, newValue);
         }
     }
 
@@ -164,12 +231,15 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
 
         protected @Nullable String name;
         protected @NotNull final Class<T> type;
+        protected @NotNull String[] aliases = Strings.EMPTY_ARRAY;
         protected @Nullable Supplier<T> defaultValue;
         protected @Nullable NodeSuggester suggester;
         protected @Nullable NodeStringParser<T> stringParser;
         protected @Nullable NodeSerializer<T> serializer;
         protected @Nullable Function<T, Try<Void>> validator;
-        protected @Nullable BiConsumer<T, T> onSetValue;
+        protected @Nullable NodeValueCallback<T> onLoad;
+        protected @Nullable NodeChangeCallback<T> onLoadAndChange;
+        protected @Nullable NodeChangeCallback<T> onChange;
 
         /**
          * Creates a new builder.
@@ -243,6 +313,20 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
             return name(null);
         }
 
+        /**
+         * Sets the aliases for this node. Aliases are alternative identifiers for referencing the node.
+         *
+         * @param aliases The aliases to set for this node.
+         * @return This builder.
+         *
+         * @since 5.1
+         */
+        @ApiStatus.AvailableSince("5.1")
+        public @NotNull B aliases(@NotNull String... aliases) {
+            this.aliases = aliases;
+            return self();
+        }
+
         /**
          * Sets the suggester for this node.
          *
@@ -254,6 +338,20 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
             return self();
         }
 
+        /**
+         * Sets the suggester for this node with sender context.
+         *
+         * @param suggester The suggester for this node.
+         * @return This builder.
+         *
+         * @since 5.1
+         */
+        @ApiStatus.AvailableSince("5.1")
+        public @NotNull B suggester(@NotNull SenderNodeSuggester suggester) {
+            this.suggester = suggester;
+            return self();
+        }
+
         /**
          * Sets the string parser for this node.
          *
@@ -265,6 +363,20 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
             return self();
         }
 
+        /**
+         * Sets the string parser for this node with sender context.
+         *
+         * @param stringParser  The string parser for this node.
+         * @return This builder.
+         *
+         * @since 5.1
+         */
+        @ApiStatus.AvailableSince("5.1")
+        public @NotNull B stringParser(@NotNull SenderNodeStringParser<T> stringParser) {
+            this.stringParser = stringParser;
+            return self();
+        }
+
         /**
          * Sets the serializer for this node.
          *
@@ -287,15 +399,83 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
             return self();
         }
 
+        /**
+         * Sets the action to be performed when the value is loaded.
+         *
+         * @param onLoad    The action to be performed.
+         * @return This builder.
+         */
+        @ApiStatus.AvailableSince("5.4")
+        public @NotNull B onLoad(@NotNull NodeValueCallback<T> onLoad) {
+            this.onLoad = this.onLoad == null ? onLoad : this.onLoad.then(onLoad);
+            return self();
+        }
+
+        /**
+         * Sets the action to be performed when the value is loaded and changed.
+         *
+         * @param onLoadAndChange    The action to be performed.
+         * @return This builder.
+         *
+         * @since 5.4
+         */
+        @ApiStatus.AvailableSince("5.4")
+        public @NotNull B onLoadAndChange(@NotNull NodeChangeCallback<T> onLoadAndChange) {
+            this.onLoadAndChange = this.onLoadAndChange == null ? onLoadAndChange : this.onLoadAndChange.then(onLoadAndChange);
+            return self();
+        }
+
+        /**
+         * Sets the action to be performed when the value is loaded and changed.
+         *
+         * @param onLoadAndChange    The action to be performed.
+         * @return This builder.
+         *
+         * @since 5.4
+         */
+        @ApiStatus.AvailableSince("5.4")
+        public @NotNull B onLoadAndChange(@NotNull SenderNodeChangeCallback<T> onLoadAndChange) {
+            return onLoadAndChange((NodeChangeCallback<T>) onLoadAndChange);
+        }
+
+        /**
+         * Sets the action to be performed when the value is changed.
+         *
+         * @param onChange    The action to be performed.
+         * @return This builder.
+         *
+         * @since 5.4
+         */
+        @ApiStatus.AvailableSince("5.4")
+        public @NotNull B onChange(@NotNull NodeChangeCallback<T> onChange) {
+            this.onChange = this.onChange == null ? onChange : this.onChange.then(onChange);
+            return self();
+        }
+
+        /**
+         * Sets the action to be performed when the value is changed.
+         *
+         * @param onChange    The action to be performed.
+         * @return This builder.
+         *
+         * @since 5.4
+         */
+        @ApiStatus.AvailableSince("5.4")
+        public @NotNull B onChange(@NotNull SenderNodeChangeCallback<T> onChange) {
+            return onChange((NodeChangeCallback<T>) onChange);
+        }
+
         /**
          * Sets the action to be performed when the value is set.
          *
          * @param onSetValue    The action to be performed.
          * @return This builder.
+         *
+         * @deprecated Use {@link #onLoadAndChange(NodeChangeCallback)} instead.
          */
+        @Deprecated(since = "5.4", forRemoval = true)
         public @NotNull B onSetValue(@NotNull BiConsumer<T, T> onSetValue) {
-            this.onSetValue = this.onSetValue == null ? onSetValue : this.onSetValue.andThen(onSetValue);
-            return self();
+            return onLoadAndChange(onSetValue::accept);
         }
 
         /**
@@ -304,7 +484,8 @@ public class ConfigNode<T> extends ConfigHeaderNode implements ValueNode<T> {
         @Override
         public @NotNull ConfigNode<T> build() {
             return new ConfigNode<>(path, comments.toArray(new String[0]),
-                    name, type, defaultValue, suggester, stringParser, serializer, validator, onSetValue);
+                    name, type, aliases, defaultValue, suggester, stringParser, serializer, validator,
+                    onLoad, onLoadAndChange, onChange);
         }
     }
 }

src/main/java/org/mvplugins/multiverse/core/config/node/ListConfigNode.java

@@ -5,7 +5,6 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
-import java.util.Set;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -13,13 +12,19 @@ import java.util.stream.Collectors;
 
 import io.vavr.Value;
 import io.vavr.control.Try;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.config.node.functions.DefaultStringParserProvider;
 import org.mvplugins.multiverse.core.config.node.functions.DefaultSuggesterProvider;
+import org.mvplugins.multiverse.core.config.node.functions.NodeChangeCallback;
+import org.mvplugins.multiverse.core.config.node.functions.NodeValueCallback;
 import org.mvplugins.multiverse.core.config.node.functions.NodeStringParser;
 import org.mvplugins.multiverse.core.config.node.functions.NodeSuggester;
+import org.mvplugins.multiverse.core.config.node.functions.SenderNodeStringParser;
+import org.mvplugins.multiverse.core.config.node.functions.SenderNodeSuggester;
 import org.mvplugins.multiverse.core.config.node.serializer.DefaultSerializerProvider;
 import org.mvplugins.multiverse.core.config.node.serializer.NodeSerializer;
 import org.mvplugins.multiverse.core.utils.REPatterns;
@@ -58,20 +63,23 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
             @NotNull String[] comments,
             @Nullable String name,
             @NotNull Class<List<I>> type,
+            @NotNull String[] aliases,
             @Nullable Supplier<List<I>> defaultValueSupplier,
             @Nullable NodeSuggester suggester,
             @Nullable NodeStringParser<List<I>> stringParser,
             @Nullable NodeSerializer<List<I>> serializer,
             @Nullable Function<List<I>, Try<Void>> validator,
-            @Nullable BiConsumer<List<I>, List<I>> onSetValue,
+            @Nullable NodeValueCallback<List<I>> onLoad,
+            @Nullable NodeChangeCallback<List<I>> onLoadAndChange,
+            @Nullable NodeChangeCallback<List<I>> onChange,
             @NotNull Class<I> itemType,
             @Nullable NodeSuggester itemSuggester,
             @Nullable NodeStringParser<I> itemStringParser,
             @Nullable NodeSerializer<I> itemSerializer,
             @Nullable Function<I, Try<Void>> itemValidator,
             @Nullable BiConsumer<I, I> onSetItemValue) {
-        super(path, comments, name, type, defaultValueSupplier, suggester, stringParser, serializer,
-                validator, onSetValue);
+        super(path, comments, name, type, aliases, defaultValueSupplier, suggester, stringParser, serializer,
+                validator, onLoad, onLoadAndChange, onChange);
         this.itemType = itemType;
         this.itemSuggester = itemSuggester != null
                 ? itemSuggester
@@ -101,8 +109,8 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
         if (this.itemSerializer != null && this.serializer == null) {
             setDefaultSerialiser();
         }
-        if (this.onSetItemValue != null && this.onSetValue == null) {
-            setDefaultOnSetValue();
+        if (this.onSetItemValue != null && this.onLoadAndChange == null) {
+            setDefaultOnLoadAndChange();
         }
         if (this.defaultValue == null) {
             this.defaultValue = ArrayList::new;
@@ -110,12 +118,12 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
     }
 
     private void setDefaultSuggester() {
-        this.suggester = input -> {
-            if (input == null) {
-                return itemSuggester.suggest(null);
-            }
-            return StringFormatter.addonToCommaSeperated(input, itemSuggester.suggest(input));
-        };
+        if (itemSuggester instanceof SenderNodeSuggester senderItemSuggester) {
+            this.suggester = (SenderNodeSuggester)(sender, input) ->
+                    StringFormatter.addOnToCommaSeparated(input, senderItemSuggester.suggest(sender, input));
+        } else {
+            this.suggester = input -> StringFormatter.addOnToCommaSeparated(input, itemSuggester.suggest(input));
+        }
     }
 
     private void setDefaultStringParser() {
@@ -164,8 +172,8 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
         };
     }
 
-    private void setDefaultOnSetValue() {
-        this.onSetValue = (oldValue, newValue) -> {
+    private void setDefaultOnLoadAndChange() {
+        this.onLoadAndChange = (oldValue, newValue) -> {
             if (oldValue != null) {
                 oldValue.stream()
                         .filter(value -> !newValue.contains(value))
@@ -194,6 +202,17 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
         return Collections.emptyList();
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Collection<String> suggestItem(@NotNull CommandSender sender, @Nullable String input) {
+        if (itemSuggester != null && itemSuggester instanceof SenderNodeSuggester senderSuggester) {
+            return senderSuggester.suggest(sender, input);
+        }
+        return suggestItem(input);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -205,6 +224,17 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
         return Try.failure(new UnsupportedOperationException("No item string parser for type " + itemType));
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Try<I> parseItemFromString(@NotNull CommandSender sender, @Nullable String input) {
+        if (itemStringParser != null && itemStringParser instanceof SenderNodeStringParser<I> senderStringParser) {
+            return senderStringParser.parse(sender, input, itemType);
+        }
+        return parseItemFromString(input);
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -267,6 +297,20 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
             return self();
         }
 
+        /**
+         * Sets the suggester for an individual item in the list with sender context.
+         *
+         * @param itemSuggester The suggester.
+         * @return This builder.
+         *
+         * @since 5.1
+         */
+        @ApiStatus.AvailableSince("5.1")
+        public @NotNull B itemSuggester(@NotNull SenderNodeSuggester itemSuggester) {
+            this.itemSuggester = itemSuggester;
+            return self();
+        }
+
         /**
          * Sets the string parser for an individual item in the list.
          *
@@ -278,6 +322,20 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
             return self();
         }
 
+        /**
+         * Sets the string parser for an individual item in the list with sender context.
+         *
+         * @param itemStringParser  The string parser.
+         * @return This builder.
+         *
+         * @since 5.1
+         */
+        @ApiStatus.AvailableSince("5.1")
+        public @NotNull B itemStringParser(@NotNull SenderNodeStringParser<I> itemStringParser) {
+            this.itemStringParser = itemStringParser;
+            return self();
+        }
+
         /**
          * Sets the serializer for an individual item in the list.
          *
@@ -321,12 +379,15 @@ public class ListConfigNode<I> extends ConfigNode<List<I>> implements ListValueN
                     comments.toArray(new String[0]),
                     name,
                     type,
+                    aliases,
                     defaultValue,
                     suggester,
                     stringParser,
                     serializer,
                     validator,
-                    onSetValue,
+                    onLoad,
+                    onLoadAndChange,
+                    onChange,
                     itemType,
                     itemSuggester,
                     itemStringParser,

src/main/java/org/mvplugins/multiverse/core/config/node/ListValueNode.java

@@ -4,6 +4,8 @@ import java.util.Collection;
 import java.util.List;
 
 import io.vavr.control.Try;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -31,6 +33,21 @@ public interface ListValueNode<I> extends ValueNode<List<I>> {
      */
     @NotNull Collection<String> suggestItem(@Nullable String input);
 
+    /**
+     * Suggests possible string values for this node. Use contextural information from the sender such as
+     * sender name, permissions, or player location for better suggestions.
+     *
+     * @param sender    The sender context.
+     * @param input     The input string.
+     * @return A collection of possible string values
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    default @NotNull Collection<String> suggestItem(@NotNull CommandSender sender, @Nullable String input) {
+        return suggestItem(input);
+    }
+
     /**
      * Parses the given string into a value of type {@link I}. Used for property set by user input.
      *
@@ -39,6 +56,20 @@ public interface ListValueNode<I> extends ValueNode<List<I>> {
      */
     @NotNull Try<I> parseItemFromString(@Nullable String input);
 
+    /**
+     * Parses the given string into a value of type {@link I}. Used for property set by user input.
+     *
+     * @param sender    The sender context.
+     * @param input     The string to parse.
+     * @return The parsed value, or given exception if parsing failed.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    default @NotNull Try<I> parseItemFromString(@NotNull CommandSender sender, @Nullable String input) {
+        return parseItemFromString(input);
+    }
+
     /**
      * Gets the serializer for this node.
      *

src/main/java/org/mvplugins/multiverse/core/config/node/NodeGroup.java

@@ -1,9 +1,11 @@
 package org.mvplugins.multiverse.core.config.node;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 
 import io.github.townyadvanced.commentedconfiguration.setting.CommentedNode;
@@ -16,6 +18,7 @@ import org.jetbrains.annotations.Nullable;
  */
 public class NodeGroup implements Collection<Node> {
     private final Collection<Node> nodes;
+    private final List<String> nodeNames;
     private final Map<String, Node> nodesMap;
 
     /**
@@ -23,6 +26,7 @@ public class NodeGroup implements Collection<Node> {
      */
     public NodeGroup() {
         this.nodes = new ArrayList<>();
+        this.nodeNames = new ArrayList<>();
         this.nodesMap = new HashMap<>();
     }
 
@@ -34,18 +38,27 @@ public class NodeGroup implements Collection<Node> {
     public NodeGroup(@NotNull Collection<Node> nodes) {
         this.nodes = nodes;
         this.nodesMap = new HashMap<>(nodes.size());
+        this.nodeNames = new ArrayList<>(nodes.size());
         nodes.forEach(this::addNodeIndex);
     }
 
     private void addNodeIndex(@NotNull Node node) {
-        if (node instanceof ValueNode) {
-            ((ValueNode<?>) node).getName().peek(name -> nodesMap.put(name, node));
+        if (node instanceof ValueNode<?> valueNode) {
+            valueNode.getName().peek(name -> {
+                nodeNames.add(name);
+                nodesMap.put(name, node);
+                Arrays.stream(valueNode.getAliases()).forEach(alias -> nodesMap.put(alias, node));
+            });
         }
     }
 
     private void removeNodeIndex(@NotNull Node node) {
-        if (node instanceof ValueNode) {
-            ((ValueNode<?>) node).getName().peek(nodesMap::remove);
+        if (node instanceof ValueNode<?> valueNode) {
+            valueNode.getName().peek(name -> {
+                nodeNames.remove(name);
+                nodesMap.remove(name);
+                Arrays.stream(valueNode.getAliases()).forEach(alias -> nodesMap.remove(alias, node));
+            });
         }
     }
 
@@ -55,7 +68,7 @@ public class NodeGroup implements Collection<Node> {
      * @return The names of all nodes in this group.
      */
     public @NotNull Collection<String> getNames() {
-        return nodesMap.keySet();
+        return nodeNames;
     }
 
     /**

src/main/java/org/mvplugins/multiverse/core/config/node/ValueNode.java

@@ -4,15 +4,20 @@ import java.util.Collection;
 
 import io.vavr.control.Option;
 import io.vavr.control.Try;
+import org.apache.logging.log4j.util.Strings;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import org.mvplugins.multiverse.core.config.handle.BaseConfigurationHandle;
 import org.mvplugins.multiverse.core.config.node.serializer.NodeSerializer;
 
 public interface ValueNode<T> extends Node {
 
     /**
-     * Gets the name of this node. Used for identifying the node from user input.
+     * Gets the name of this node. Used for identifying the node from user input. This must be unique within a node group.
      *
      * @return An {@link Option} containing the name of this node, or {@link Option.None} if the node has no name.
      */
@@ -25,6 +30,19 @@ public interface ValueNode<T> extends Node {
      */
     @NotNull Class<T> getType();
 
+    /**
+     * Gets the aliases of this node. Serves as shorter or legacy alternatives the {@link #getName()} and must be
+     * unique within a node group.
+     *
+     * @return The aliases of this node.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    default @NotNull String[] getAliases() {
+        return Strings.EMPTY_ARRAY;
+    }
+
     /**
      * Gets the default value with type {@link T} of the node.
      *
@@ -40,6 +58,19 @@ public interface ValueNode<T> extends Node {
      */
     @NotNull Collection<String> suggest(@Nullable String input);
 
+    /**
+     * Suggests possible string values for this node. Use contextural information from the sender such as
+     * sender name, permissions, or player location for better suggestions.
+     *
+     * @param sender    The sender context.
+     * @param input     The input string.
+     * @return A collection of possible string values
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    @NotNull Collection<String> suggest(@NotNull CommandSender sender, @Nullable String input);
+
     /**
      * Parses the given string into a value of type {@link T}. Used for property set by user input.
      *
@@ -48,6 +79,21 @@ public interface ValueNode<T> extends Node {
      */
     @NotNull Try<T> parseFromString(@Nullable String input);
 
+    /**
+     * Parses the given string into a value of type {@link T} with context from the sender.
+     * Used for property set by user input.
+     *
+     * @param sender    The sender context.
+     * @param input     The string to parse.
+     * @return The parsed value, or given exception if parsing failed.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    default @NotNull Try<T> parseFromString(@NotNull CommandSender sender, @Nullable String input) {
+        return parseFromString(input);
+    }
+
     /**
      * Gets the serializer for this node.
      *
@@ -64,11 +110,51 @@ public interface ValueNode<T> extends Node {
      */
     Try<Void> validate(@Nullable T value);
 
+    /**
+     * Called when the value of this node is loaded by {@link BaseConfigurationHandle#load()}.
+     *
+     * @param value The loaded value.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void onLoad(@Nullable T value);
+
+    /**
+     * Called when the value of this node is loaded or changed.
+     *
+     * @param sender   The sender who triggered the change. If triggered by loading or no target sender is specified,
+     *                 it will be the console sender.
+     * @param oldValue The old value, will always be null on load.
+     * @param newValue The new value.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void onLoadAndChange(@NotNull CommandSender sender, @Nullable T oldValue, @Nullable T newValue);
+
+    /**
+     * Called when the value of this node is changed by {@link BaseConfigurationHandle#set(ValueNode, Object)}.
+     *
+     * @param sender    The sender who changed the value, or console sender if no target sender specified.
+     * @param oldValue  The old value.
+     * @param newValue  The new value.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void onChange(@NotNull CommandSender sender, @Nullable T oldValue, @Nullable T newValue);
+
     /**
      * Called when the value of this node is set.
      *
      * @param oldValue The old value.
      * @param newValue The new value.
+     *
+     * @deprecated Use {@link #onLoadAndChange(CommandSender, Object, Object)} instead.
      */
-    void onSetValue(@Nullable T oldValue, @Nullable T newValue);
+    @Deprecated(since = "5.4", forRemoval = true)
+    default void onSetValue(@Nullable T oldValue, @Nullable T newValue) {
+        onLoadAndChange(Bukkit.getConsoleSender(), oldValue, newValue);
+    }
 }

src/main/java/org/mvplugins/multiverse/core/config/node/functions/DefaultStringParserProvider.java

@@ -1,6 +1,7 @@
 package org.mvplugins.multiverse.core.config.node.functions;
 
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 import co.aikar.commands.ACFUtil;
@@ -41,13 +42,13 @@ public final class DefaultStringParserProvider {
     }
 
     private static final NodeStringParser<Enum> ENUM_STRING_PARSER = (input, type) -> Try.of(
-            () -> Enum.valueOf(type, input.toUpperCase()));
+            () -> Enum.valueOf(type, input.toUpperCase(Locale.ENGLISH)));
 
     private static final NodeStringParser<String> STRING_STRING_PARSER = (input, type) -> Try.of(
             () -> input);
 
     private static final NodeStringParser<Boolean> BOOLEAN_STRING_PARSER = (input, type) -> Try.of(
-            () -> switch (String.valueOf(input).toLowerCase()) {
+            () -> switch (String.valueOf(input).toLowerCase(Locale.ENGLISH)) {
                 case "t", "true", "on", "y", "yes", "1", "allow" -> true;
                 case "f", "false", "off", "n", "no", "0", "deny" -> false;
                 default -> throw new MultiverseException("Unable to convert '" + input + "' to boolean. Please use 'true' or 'false'");

src/main/java/org/mvplugins/multiverse/core/config/node/functions/DefaultSuggesterProvider.java

@@ -3,6 +3,7 @@ package org.mvplugins.multiverse.core.config.node.functions;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
@@ -43,7 +44,7 @@ public final class DefaultSuggesterProvider {
     private static NodeSuggester enumSuggester(Class<?> clazz) {
         return input -> Arrays.stream(clazz.getEnumConstants())
                 .map(Object::toString)
-                .map(String::toLowerCase)
+                .map(name -> name.toLowerCase(Locale.ENGLISH))
                 .collect(Collectors.toList());
     }
 

src/main/java/org/mvplugins/multiverse/core/config/node/functions/NodeChangeCallback.java

@@ -0,0 +1,65 @@
+package org.mvplugins.multiverse.core.config.node.functions;
+
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * A callback interface for handling changes to configuration node values.
+ *
+ * @param <T> The type of the node value.
+ *
+ * @since 5.4
+ */
+@ApiStatus.AvailableSince("5.4")
+@FunctionalInterface
+public interface NodeChangeCallback<T> {
+    /**
+     * Called when the value of a node changes.
+     *
+     * @param oldValue The old value of the node.
+     * @param newValue The new value of the node.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void run(T oldValue, T newValue);
+
+    /**
+     * Called when the value of a node changes, with the sender of the change.
+     *
+     * @param sender   The sender of the change.
+     * @param oldValue The old value of the node.
+     * @param newValue The new value of the node.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    default void run(CommandSender sender, T oldValue, T newValue) {
+        run(oldValue, newValue);
+    }
+
+    /**
+     * Chains another {@link NodeChangeCallback} to be executed after this one.
+     *
+     * @param after The callback to execute after this one.
+     * @return A new {@link NodeChangeCallback} that executes both callbacks in order.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    default NodeChangeCallback<T> then(NodeChangeCallback<T> after) {
+        return new SenderNodeChangeCallback<T>() {
+            @Override
+            public void run(CommandSender sender, T oldValue, T newValue) {
+                NodeChangeCallback.this.run(sender, oldValue, newValue);
+                after.run(sender, oldValue, newValue);
+            }
+
+            @Override
+            public void run(T oldValue, T newValue) {
+                NodeChangeCallback.this.run(oldValue, newValue);
+                after.run(oldValue, newValue);
+            }
+        };
+    }
+}

src/main/java/org/mvplugins/multiverse/core/config/node/functions/NodeSuggester.java

@@ -6,7 +6,8 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
- * A function that suggests possible values for a node value.
+ * A function that suggests possible values for a node value. These suggestions must be able to be used to parse the
+ * value from string with {@link NodeStringParser}.
  */
 @FunctionalInterface
 public interface NodeSuggester {

src/main/java/org/mvplugins/multiverse/core/config/node/functions/NodeValueCallback.java

@@ -0,0 +1,38 @@
+package org.mvplugins.multiverse.core.config.node.functions;
+
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Handler called when an action is performed on a node such as loading.
+ *
+ * @since 5.4
+ */
+@ApiStatus.AvailableSince("5.4")
+@FunctionalInterface
+public interface NodeValueCallback<T> {
+    /**
+     * Called when an action is performed on a node.
+     *
+     * @param value The value of the node.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void run(T value);
+
+    /**
+     * Chains another {@link NodeValueCallback} to be executed after this one.
+     *
+     * @param after The callback to execute after this one.
+     * @return A new {@link NodeValueCallback} that executes both callbacks in order.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    default NodeValueCallback<T> then(NodeValueCallback<T> after) {
+        return (T value) -> {
+            this.run(value);
+            after.run(value);
+        };
+    }
+}

src/main/java/org/mvplugins/multiverse/core/config/node/functions/SenderNodeChangeCallback.java

@@ -0,0 +1,31 @@
+package org.mvplugins.multiverse.core.config.node.functions;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * A callback interface for handling changes to configuration node values with contextual information from the sender.
+ *
+ * @param <T> The type of the node value.
+ *
+ * @since 5.4
+ */
+@ApiStatus.AvailableSince("5.4")
+@FunctionalInterface
+public interface SenderNodeChangeCallback<T> extends NodeChangeCallback<T> {
+    /**
+     * {@inheritDoc}
+     */
+    @ApiStatus.AvailableSince("5.4")
+    void run(CommandSender sender, T oldValue, T newValue);
+
+    /**
+     * {@inheritDoc}
+     */
+    @ApiStatus.AvailableSince("5.4")
+    @Override
+    default void run(T oldValue, T newValue) {
+        run(Bukkit.getConsoleSender(), oldValue, newValue);
+    }
+}

src/main/java/org/mvplugins/multiverse/core/config/node/functions/SenderNodeStringParser.java

@@ -0,0 +1,38 @@
+package org.mvplugins.multiverse.core.config.node.functions;
+
+import io.vavr.control.Try;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * A function that parses a string into a node value object of type {@link T} with contextual information from the sender.
+ *
+ * @param <T>   The type of the object to parse.
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+@FunctionalInterface
+public interface SenderNodeStringParser<T> extends NodeStringParser<T> {
+    /**
+     * Parses a string into a node value object of type {@link T} with contextual information from the sender.
+     * This ties in with {@link SenderNodeSuggester} that provides suggestions based on the sender context.
+     *
+     * @param sender    The sender context.
+     * @param string    The string to parse.
+     * @param type      The type of the object to parse.
+     * @return The parsed object, or {@link Try.Failure} if the string could not be parsed.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    @NotNull Try<T> parse(@NotNull CommandSender sender, @Nullable String string, @NotNull Class<T> type);
+
+    @Override
+    default @NotNull Try<T> parse(@Nullable String string, @NotNull Class<T> type) {
+        return parse(Bukkit.getConsoleSender(), string, type);
+    }
+}

src/main/java/org/mvplugins/multiverse/core/config/node/functions/SenderNodeSuggester.java

@@ -0,0 +1,36 @@
+package org.mvplugins.multiverse.core.config.node.functions;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+
+/**
+ * A function that suggests possible values for a node value with sender contextual information.
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+@FunctionalInterface
+public interface SenderNodeSuggester extends NodeSuggester {
+
+    /**
+     * Suggests possible values for a node value. Generated based on the current user input and sender contextual information.
+     *
+     * @param sender    The sender context.
+     * @param input     The current partial user input
+     * @return The possible values.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    @NotNull Collection<String> suggest(@NotNull CommandSender sender, @Nullable String input);
+
+    @Override
+    default @NotNull Collection<String> suggest(@Nullable String input) {
+        return suggest(Bukkit.getConsoleSender(), input);
+    }
+}

src/main/java/org/mvplugins/multiverse/core/config/node/serializer/DefaultSerializerProvider.java

@@ -48,12 +48,12 @@ public final class DefaultSerializerProvider {
             if (type.isInstance(object)) {
                 return (Enum<?>) object;
             }
-            return Enum.valueOf(type, String.valueOf(object).toUpperCase());
+            return Enum.valueOf(type, String.valueOf(object).toUpperCase(Locale.ENGLISH));
         }
 
         @Override
         public Object serialize(Enum object, Class<Enum> type) {
-            return object.name().toLowerCase();
+            return object.name().toLowerCase(Locale.ENGLISH);
         }
     };
 
@@ -80,7 +80,7 @@ public final class DefaultSerializerProvider {
             }
             String input = String.valueOf(object);
             //todo: this is a copy from string parser
-            return switch (input.toLowerCase()) {
+            return switch (input.toLowerCase(Locale.ENGLISH)) {
                 case "t", "true", "on", "y", "yes", "1", "allow" -> true;
                 case "f", "false", "off", "n", "no", "0", "deny" -> false;
                 default -> throw new RuntimeException("Unable to convert '" + input + "' to boolean.");

src/main/java/org/mvplugins/multiverse/core/destination/Destination.java

@@ -2,7 +2,9 @@ package org.mvplugins.multiverse.core.destination;
 
 import java.util.Collection;
 
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Contract;
@@ -11,6 +13,9 @@ import org.mvplugins.multiverse.core.utils.result.FailureReason;
 
 /**
  * A destination is a location that can be teleported to.
+ * <br />
+ * Please ensure you implement at least one of {@link #getDestinationInstance(CommandSender, String)} or
+ * {@link #getDestinationInstance(String)} to prevent a stack overflow.
  *
  * @param <D>   The type of the destination
  * @param <T>   The type of the destination instance
@@ -18,13 +23,13 @@ import org.mvplugins.multiverse.core.utils.result.FailureReason;
 @Contract
 public interface Destination<D extends Destination<D, T, F>, T extends DestinationInstance<T, D>, F extends FailureReason> {
     /**
-     * Returns the identifier or prefix that is required for this destination.
+     * Returns the identifier or prefix required for this destination.
      *
      * <p>Portals have a prefix of "p" for example and OpenWarp (third party plugin) uses "ow". This is derived from a
-     * hash and cannot have duplicate values. Read that as your plugin cannot use 'p' because it's already used.
+     * hash and cannot have duplicate values. Means that your plugin cannot use 'p' because it's already used.
      * Please check the wiki when adding a custom destination!</p>
      *
-     * @return The identifier or prefix that is required for this destination.
+     * @return The identifier or prefix required for this destination.
      */
     @NotNull String getIdentifier();
 
@@ -33,8 +38,36 @@ public interface Destination<D extends Destination<D, T, F>, T extends Destinati
      *
      * @param destinationParams The destination parameters. ex: p:MyPortal:nw
      * @return The destination instance, or null if the destination parameters are invalid.
+     *
+     * @deprecated Use {@link #getDestinationInstance(CommandSender, String)} instead. This method will no longer be
+     *             called by {@link DestinationsProvider}.
      */
-    @NotNull Attempt<T, F> getDestinationInstance(@NotNull String destinationParams);
+    @Deprecated(forRemoval = true, since = "5.1")
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
+    default @NotNull Attempt<T, F> getDestinationInstance(@NotNull String destinationParams) {
+        return getDestinationInstance(Bukkit.getConsoleSender(), destinationParams);
+    }
+
+    /**
+     * Returns the destination instance for the given destination parameters with sender context. This allows
+     * for shorthands such as getting location or name from sender. If no sender context is available, use
+     * {@link Bukkit#getConsoleSender()} will be defaulted by {@link DestinationsProvider}.
+     * <br />
+     * Note that the resulting {@link DestinationInstance} should be (de)serializable without the original sender context.
+     * <br />
+     * For example, the parsable string with sender context `e:@here` should return a {@link DestinationInstance} that
+     * is serialized to `e:world:x,y,z:p:y`, which can be deserialized without the original sender context.
+     *
+     * @param sender            The sender context.
+     * @param destinationParams The destination parameters. ex: p:MyPortal:nw
+     * @return The destination instance, or null if the destination parameters are invalid.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    default Attempt<T, F> getDestinationInstance(@NotNull CommandSender sender, @NotNull String destinationParams) {
+        return getDestinationInstance(destinationParams);
+    }
 
     /**
      * Returns a list of possible destinations for the given destination parameters. This packet's destination

src/main/java/org/mvplugins/multiverse/core/destination/DestinationInstance.java

@@ -4,8 +4,9 @@ import io.vavr.control.Option;
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.util.Vector;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.core.utils.result.FailureReason;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
 
 /**
@@ -79,6 +80,20 @@ public abstract class DestinationInstance<I extends  DestinationInstance<I, T>,
      */
     public abstract @NotNull Option<String> getFinerPermissionSuffix();
 
+    /**
+     * Gets a user-friendly display text for this destination instance. This is used when displaying the destination
+     * to the player. By default, this returns the same as {@link #toString()}. Override this method to provide a more
+     * user-friendly display text with colors, formatting and localization support.
+     *
+     * @return The display message.
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    @NotNull
+    public Message getDisplayMessage() {
+        return Message.of(this.toString());
+    }
+
     /**
      * Serialises the destination instance to a savable string.
      *

src/main/java/org/mvplugins/multiverse/core/destination/DestinationSuggestionPacket.java

@@ -1,5 +1,8 @@
 package org.mvplugins.multiverse.core.destination;
 
+import org.jetbrains.annotations.ApiStatus;
+import org.mvplugins.multiverse.core.destination.core.WorldDestination;
+
 /**
  * Data of a possible destination for tab completion and permission checking
  *
@@ -8,4 +11,19 @@ package org.mvplugins.multiverse.core.destination;
  * @param finerPermissionSuffix The finer permission suffix
  */
 public record DestinationSuggestionPacket(Destination<?, ?, ?> destination, String destinationString, String finerPermissionSuffix) {
+
+    /**
+     * Gets a parsable string representation of the destination that is most likely valid for
+     * {@link DestinationsProvider#parseDestination(String)}.
+     *
+     * @return The parsable string
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public String parsableString() {
+        return destination instanceof WorldDestination
+                ? destinationString
+                : destination.getIdentifier() + ":" + destinationString;
+    }
 }

src/main/java/org/mvplugins/multiverse/core/destination/DestinationsProvider.java

@@ -7,7 +7,9 @@ import java.util.Map;
 import co.aikar.locales.MessageKey;
 import co.aikar.locales.MessageKeyProvider;
 import jakarta.inject.Inject;
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
@@ -50,8 +52,25 @@ public final class DestinationsProvider {
      * @param destinationString The destination string.
      * @return The destination object, or null if invalid format.
      */
-    @SuppressWarnings("unchecked,rawtypes")
     public @NotNull Attempt<DestinationInstance<?, ?>, FailureReason> parseDestination(@NotNull String destinationString) {
+        return this.parseDestination(Bukkit.getConsoleSender(), destinationString);
+    }
+
+    /**
+     * Converts a destination string to a destination object with sender context.
+     *
+     * @param sender            The target sender context.
+     * @param destinationString The destination string.
+     * @return The destination object, or null if invalid format.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    @SuppressWarnings("unchecked,rawtypes")
+    public @NotNull Attempt<DestinationInstance<?, ?>, FailureReason> parseDestination(
+            @NotNull CommandSender sender,
+            @NotNull String destinationString
+    ) {
         String[] items = destinationString.split(SEPARATOR, 2);
 
         String idString = items[0];
@@ -73,7 +92,7 @@ public final class DestinationsProvider {
                     replace("{ids}").with(String.join(", ", this.destinationMap.keySet())));
         }
 
-        return destination.getDestinationInstance(destinationParams);
+        return destination.getDestinationInstance(sender, destinationParams);
     }
 
     /**
@@ -95,12 +114,36 @@ public final class DestinationsProvider {
         return this.destinationMap.values();
     }
 
+    /**
+     * Gets suggestions for possible parsable destinations.
+     *
+     * @param sender            The target sender context.
+     * @param destinationParams The current user input.
+     * @return A collection of destination suggestions.
+     */
     public @NotNull Collection<DestinationSuggestionPacket> suggestDestinations(@NotNull CommandSender sender, @Nullable String destinationParams) {
         return this.getDestinations().stream()
                 .flatMap(destination -> destination.suggestDestinations(sender, destinationParams).stream())
                 .toList();
     }
 
+    /**
+     * Gets suggestions for possible parsable destinations.
+     *
+     * @param sender            The target sender context.
+     * @param destinationParams The current user input.
+     * @return A collection of destination suggestions in parsable string format.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public @NotNull Collection<String> suggestDestinationStrings(@NotNull CommandSender sender, @Nullable String destinationParams) {
+        return suggestDestinations(sender, destinationParams)
+                .stream()
+                .map(DestinationSuggestionPacket::parsableString)
+                .toList();
+    }
+
     public enum ParseFailureReason implements FailureReason {
         INVALID_DESTINATION_ID(MVCorei18n.DESTINATION_PARSE_FAILUREREASON_INVALIDDESTINATIONID),
         ;

src/main/java/org/mvplugins/multiverse/core/destination/core/AnchorDestination.java

@@ -45,7 +45,10 @@ public final class AnchorDestination implements Destination<AnchorDestination, A
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<AnchorDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
+    public @NotNull Attempt<AnchorDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
         return this.anchorManager.getAnchor(destinationParams)
                 .fold(
                         () -> Attempt.failure(InstanceFailureReason.ANCHOR_NOT_FOUND, replace("{anchor}").with(destinationParams)),

src/main/java/org/mvplugins/multiverse/core/destination/core/AnchorDestinationInstance.java

@@ -7,6 +7,7 @@ import org.bukkit.util.Vector;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 /**
  * Destination instance implementation for the {@link AnchorDestination}.
@@ -63,6 +64,15 @@ public final class AnchorDestinationInstance extends DestinationInstance<AnchorD
         return Option.of(anchorName);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        //TODO Localize
+        return Message.of("anchor '" + anchorName + "'");
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/BedDestination.java

@@ -6,7 +6,7 @@ import java.util.stream.Collectors;
 
 import co.aikar.locales.MessageKey;
 import co.aikar.locales.MessageKeyProvider;
-import org.bukkit.Bukkit;
+import jakarta.inject.Inject;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
@@ -20,8 +20,7 @@ import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
 import org.mvplugins.multiverse.core.utils.PlayerFinder;
 import org.mvplugins.multiverse.core.utils.result.Attempt;
 import org.mvplugins.multiverse.core.utils.result.FailureReason;
-
-import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.replace;
+import org.mvplugins.multiverse.core.world.helpers.ConcurrentPlayerWorldTracker;
 
 /**
  * {@link Destination} implementation for beds.
@@ -30,7 +29,11 @@ import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.re
 public final class BedDestination implements Destination<BedDestination, BedDestinationInstance, BedDestination.InstanceFailureReason> {
     static final String OWN_BED_STRING = "playerbed";
 
-    BedDestination() {
+    private final ConcurrentPlayerWorldTracker worldTracker;
+
+    @Inject
+    BedDestination(@NotNull ConcurrentPlayerWorldTracker worldTracker) {
+        this.worldTracker = worldTracker;
     }
 
     /**
@@ -45,7 +48,10 @@ public final class BedDestination implements Destination<BedDestination, BedDest
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<BedDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
+    public @NotNull Attempt<BedDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
         Player player = PlayerFinder.get(destinationParams);
         if (player == null && !OWN_BED_STRING.equals(destinationParams)) {
             return Attempt.failure(InstanceFailureReason.PLAYER_NOT_FOUND, Replace.PLAYER.with(destinationParams));
@@ -59,8 +65,8 @@ public final class BedDestination implements Destination<BedDestination, BedDest
     @Override
     public @NotNull Collection<DestinationSuggestionPacket> suggestDestinations(
             @NotNull CommandSender sender, @Nullable String destinationParams) {
-        List<DestinationSuggestionPacket> collect = Bukkit.getOnlinePlayers().stream()
-                .map(player -> new DestinationSuggestionPacket(this, player.getName(), player.getName()))
+        List<DestinationSuggestionPacket> collect = worldTracker.getOnlinePlayers().stream()
+                .map(player -> new DestinationSuggestionPacket(this, player, player))
                 .collect(Collectors.toList());
         if (sender instanceof Player) {
             collect.add(new DestinationSuggestionPacket(this, OWN_BED_STRING, OWN_BED_STRING));

src/main/java/org/mvplugins/multiverse/core/destination/core/BedDestinationInstance.java

@@ -9,12 +9,13 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 /**
  * Destination instance implementation for the {@link BedDestination}.
  */
 public final class BedDestinationInstance extends DestinationInstance<BedDestinationInstance, BedDestination> {
-    private final Player player;
+    private final @Nullable Player player;
 
     /**
      * Constructor.
@@ -64,6 +65,15 @@ public final class BedDestinationInstance extends DestinationInstance<BedDestina
         return Option.of(player != null ? player.getName() : BedDestination.OWN_BED_STRING);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        //TODO Localize
+        return Message.of(player == null ? "your bed/respawn point" : player.getName() + "'s bed/respawn point");
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/CannonDestination.java

@@ -51,7 +51,10 @@ public final class CannonDestination implements Destination<CannonDestination, C
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<CannonDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
+    public @NotNull Attempt<CannonDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
         String[] params = REPatterns.COLON.split(destinationParams);
         if (params.length != 5) {
             return Attempt.failure(InstanceFailureReason.INVALID_FORMAT);

src/main/java/org/mvplugins/multiverse/core/destination/core/ExactDestination.java

@@ -1,6 +1,7 @@
 package org.mvplugins.multiverse.core.destination.core;
 
 import java.util.Collection;
+import java.util.stream.Stream;
 
 import co.aikar.locales.MessageKey;
 import co.aikar.locales.MessageKeyProvider;
@@ -8,7 +9,9 @@ import io.vavr.control.Option;
 import jakarta.inject.Inject;
 import org.bukkit.Location;
 import org.bukkit.World;
+import org.bukkit.command.BlockCommandSender;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Entity;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
@@ -16,15 +19,15 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.config.CoreConfig;
 import org.mvplugins.multiverse.core.destination.Destination;
 import org.mvplugins.multiverse.core.destination.DestinationSuggestionPacket;
+import org.mvplugins.multiverse.core.exceptions.utils.position.PositionParseException;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
-import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
 import org.mvplugins.multiverse.core.utils.REPatterns;
+import org.mvplugins.multiverse.core.utils.position.EntityPosition;
 import org.mvplugins.multiverse.core.utils.result.Attempt;
 import org.mvplugins.multiverse.core.utils.result.FailureReason;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.entrycheck.WorldEntryCheckerProvider;
-import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
 
 import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.*;
 
@@ -60,55 +63,55 @@ public final class ExactDestination implements Destination<ExactDestination, Exa
      * @return A new {@link ExactDestinationInstance}
      */
     public @NotNull ExactDestinationInstance fromLocation(@NotNull Location location) {
-        return new ExactDestinationInstance(this, new UnloadedWorldLocation(location));
+        return new ExactDestinationInstance(
+                this,
+                worldManager,
+                location.getWorld().getName(),
+                EntityPosition.ofLocation(location)
+        );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<ExactDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
-        String[] items = REPatterns.COLON.split(destinationParams);
+    public @NotNull Attempt<ExactDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
+        String[] items = REPatterns.COLON.split(destinationParams, 2);
         if (items.length < 2) {
+            if (items[0].equals("@here")) {
+                return getLocationFromSender(sender)
+                        .map(location -> Attempt.<ExactDestinationInstance, InstanceFailureReason>success(
+                                new ExactDestinationInstance(
+                                        this,
+                                        worldManager,
+                                        location.getWorld().getName(),
+                                        EntityPosition.ofLocation(location)
+                                )
+                        ))
+                        .getOrElse(() -> Attempt.failure(InstanceFailureReason.INVALID_COORDINATES_FORMAT)); // todo: specific failure reason for this case
+            }
             return Attempt.failure(InstanceFailureReason.INVALID_FORMAT);
         }
 
         String worldName = items[0];
-        String coordinates = items[1];
-        String[] coordinatesParams = REPatterns.COMMA.split(coordinates);
-        if (coordinatesParams.length != 3) {
-            return Attempt.failure(InstanceFailureReason.INVALID_COORDINATES_FORMAT);
-        }
+        String positionStr = items[1];
 
         World world = getLoadedMultiverseWorld(worldName).flatMap(LoadedMultiverseWorld::getBukkitWorld).getOrNull();
         if (world == null) {
             return Attempt.failure(InstanceFailureReason.WORLD_NOT_FOUND, Replace.WORLD.with(worldName));
         }
 
-        UnloadedWorldLocation location;
+        EntityPosition position;
         try {
-            location = new UnloadedWorldLocation(
-                    world,
-                    Double.parseDouble(coordinatesParams[0]),
-                    Double.parseDouble(coordinatesParams[1]),
-                    Double.parseDouble(coordinatesParams[2])
-            );
-        } catch (NumberFormatException e) {
+            position = EntityPosition.fromString(positionStr);
+        } catch (PositionParseException e) {
             return Attempt.failure(InstanceFailureReason.INVALID_NUMBER_FORMAT, Replace.ERROR.with(e));
         }
 
-        if (items.length == 4) {
-            String pitch = items[2];
-            String yaw = items[3];
-            try {
-                location.setPitch(Float.parseFloat(pitch));
-                location.setYaw(Float.parseFloat(yaw));
-            } catch (NumberFormatException e) {
-                return Attempt.failure(InstanceFailureReason.INVALID_NUMBER_FORMAT, Replace.ERROR.with(e));
-            }
-        }
-
-        return Attempt.success(new ExactDestinationInstance(this, location));
+        return Attempt.success(new ExactDestinationInstance(this, worldManager, worldName, position));
     }
 
     //TODO: Extract to a world finder class
@@ -118,19 +121,61 @@ public final class ExactDestination implements Destination<ExactDestination, Exa
                 : worldManager.getLoadedWorld(worldName);
     }
 
+    private Option<Location> getLocationFromSender(CommandSender sender) {
+        if (sender instanceof Entity entity) {
+            return Option.of(entity.getLocation());
+        }
+        if (sender instanceof BlockCommandSender blockSender) {
+            return Option.of(blockSender.getBlock().getLocation());
+        }
+        return Option.none();
+    }
+
     /**
      * {@inheritDoc}
      */
     @Override
     public @NotNull Collection<DestinationSuggestionPacket> suggestDestinations(
             @NotNull CommandSender sender, @Nullable String destinationParams) {
-        return worldManager.getLoadedWorlds().stream()
+        Stream<DestinationSuggestionPacket> stream = worldManager.getLoadedWorlds().stream()
                 .filter(world -> worldEntryCheckerProvider.forSender(sender)
                         .canAccessWorld(world)
                         .isSuccess())
                 .map(world ->
-                        new DestinationSuggestionPacket(this, world.getTabCompleteName() + ":", world.getName()))
-                .toList();
+                        new DestinationSuggestionPacket(this, world.getTabCompleteName() + ":", world.getName()));
+
+        Location location = getLocationFromSender(sender).getOrNull();
+        if (location != null) {
+            var herePacket = new DestinationSuggestionPacket(
+                    this,
+                    "@here",
+                    location.getWorld().getName()
+            );
+            var locationPacket = new DestinationSuggestionPacket(
+                    this,
+                    "%s:%.2f,%.2f,%.2f".formatted(
+                            location.getWorld().getName(),
+                            location.getX(),
+                            location.getY(),
+                            location.getZ()
+                    ),
+                    location.getWorld().getName()
+            );
+            var locationPacketPW = new DestinationSuggestionPacket(
+                    this,
+                    "%s:%.2f,%.2f,%.2f:%.2f:%.2f".formatted(
+                            location.getWorld().getName(),
+                            location.getX(),
+                            location.getY(),
+                            location.getZ(),
+                            location.getPitch(),
+                            location.getYaw()
+                    ),
+                    location.getWorld().getName()
+            );
+            stream = Stream.concat(stream, Stream.of(herePacket, locationPacket, locationPacketPW));
+        }
+        return stream.toList();
     }
 
     public enum InstanceFailureReason implements FailureReason {

src/main/java/org/mvplugins/multiverse/core/destination/core/ExactDestinationInstance.java

@@ -1,6 +1,7 @@
 package org.mvplugins.multiverse.core.destination.core;
 
 import io.vavr.control.Option;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.entity.Entity;
@@ -8,22 +9,34 @@ import org.bukkit.util.Vector;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
-import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
+import org.mvplugins.multiverse.core.locale.message.Message;
+import org.mvplugins.multiverse.core.utils.position.EntityPosition;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
+import org.mvplugins.multiverse.core.world.WorldManager;
 
 /**
  * Destination instance implementation for the {@link ExactDestination}.
  */
 public final class ExactDestinationInstance extends DestinationInstance<ExactDestinationInstance, ExactDestination> {
-    private final UnloadedWorldLocation location;
+    private final WorldManager worldManager;
+    private final String worldName;
+    private final EntityPosition position;
 
     /**
      * Constructor.
      *
-     * @param location The location to teleport to.
+     * @param destination The parent destination.
+     * @param worldName   The name of the world.
+     * @param position    The position in the world.
      */
-    ExactDestinationInstance(@NotNull ExactDestination destination, @NotNull UnloadedWorldLocation location) {
+    ExactDestinationInstance(@NotNull ExactDestination destination,
+                             @NotNull WorldManager worldManager,
+                             @NotNull String worldName,
+                             @NotNull EntityPosition position) {
         super(destination);
-        this.location = location;
+        this.worldManager = worldManager;
+        this.worldName = worldName;
+        this.position = position;
     }
 
     /**
@@ -31,10 +44,13 @@ public final class ExactDestinationInstance extends DestinationInstance<ExactDes
      */
     @Override
     public @NotNull Option<Location> getLocation(@NotNull Entity teleportee) {
-        if (location.getWorld() == null) {
+        World world = Bukkit.getWorld(worldName);
+        if (world == null) {
             return Option.none();
         }
-        return Option.of(location.toBukkitLocation());
+        Location destinationLocation = position.toBukkitLocation(teleportee.getLocation());
+        destinationLocation.setWorld(world);
+        return Option.of(destinationLocation);
     }
 
     /**
@@ -58,7 +74,18 @@ public final class ExactDestinationInstance extends DestinationInstance<ExactDes
      */
     @Override
     public @NotNull Option<String> getFinerPermissionSuffix() {
-        return Option.of(location.getWorld()).map(World::getName);
+        return Option.of(worldName);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        String displayWorldName = worldManager.getWorld(worldName)
+                .map(MultiverseWorld::getAliasOrName)
+                .getOrElse(worldName);
+        return Message.of(displayWorldName + " at " + position.toString());
     }
 
     /**
@@ -66,7 +93,6 @@ public final class ExactDestinationInstance extends DestinationInstance<ExactDes
      */
     @Override
     public @NotNull String serialise() {
-        return location.getWorldName() + ":" + location.getX() + "," + location.getY()
-                + "," + location.getZ() + ":" + location.getPitch() + ":" + location.getYaw();
+        return worldName + ":" + position.toString();
     }
 }

src/main/java/org/mvplugins/multiverse/core/destination/core/PlayerDestination.java

@@ -4,7 +4,7 @@ import java.util.Collection;
 
 import co.aikar.locales.MessageKey;
 import co.aikar.locales.MessageKeyProvider;
-import org.bukkit.Bukkit;
+import jakarta.inject.Inject;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
@@ -14,21 +14,26 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.destination.Destination;
 import org.mvplugins.multiverse.core.destination.DestinationSuggestionPacket;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
-import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement.Replace;
 import org.mvplugins.multiverse.core.utils.PlayerFinder;
 import org.mvplugins.multiverse.core.utils.result.Attempt;
 import org.mvplugins.multiverse.core.utils.result.FailureReason;
+import org.mvplugins.multiverse.core.world.helpers.ConcurrentPlayerWorldTracker;
 
 /**
  * {@link Destination} implementation for players.s
  */
 @Service
 public final class PlayerDestination implements Destination<PlayerDestination, PlayerDestinationInstance, PlayerDestination.InstanceFailureReason> {
+
+    private final ConcurrentPlayerWorldTracker playerWorldTracker;
+
     /**
      * Creates a new instance of the PlayerDestination.
      */
-    PlayerDestination() {
+    @Inject
+    PlayerDestination(@NotNull ConcurrentPlayerWorldTracker playerWorldTracker) {
+        this.playerWorldTracker = playerWorldTracker;
     }
 
     /**
@@ -43,7 +48,10 @@ public final class PlayerDestination implements Destination<PlayerDestination, P
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<PlayerDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
+    public @NotNull Attempt<PlayerDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
         Player player = PlayerFinder.get(destinationParams);
         if (player == null) {
             return Attempt.failure(InstanceFailureReason.PLAYER_NOT_FOUND, Replace.PLAYER.with(destinationParams));
@@ -57,8 +65,8 @@ public final class PlayerDestination implements Destination<PlayerDestination, P
     @Override
     public @NotNull Collection<DestinationSuggestionPacket> suggestDestinations(
             @NotNull CommandSender sender, @Nullable String destinationParams) {
-        return Bukkit.getOnlinePlayers().stream()
-                .map(p -> new DestinationSuggestionPacket(this, p.getName(), p.getName()))
+        return playerWorldTracker.getOnlinePlayers().stream()
+                .map(player -> new DestinationSuggestionPacket(this, player, player))
                 .toList();
     }
 

src/main/java/org/mvplugins/multiverse/core/destination/core/PlayerDestinationInstance.java

@@ -9,6 +9,7 @@ import org.bukkit.util.Vector;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 import java.util.UUID;
 
@@ -66,6 +67,14 @@ public final class PlayerDestinationInstance extends DestinationInstance<PlayerD
         return Option.of(playerName);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        return Message.of(playerName);
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/WorldDestination.java

@@ -60,7 +60,10 @@ public final class WorldDestination implements Destination<WorldDestination, Wor
      * {@inheritDoc}
      */
     @Override
-    public @NotNull Attempt<WorldDestinationInstance, InstanceFailureReason> getDestinationInstance(@NotNull String destinationParams) {
+    public @NotNull Attempt<WorldDestinationInstance, InstanceFailureReason> getDestinationInstance(
+            @NotNull CommandSender sender,
+            @NotNull String destinationParams
+    ) {
         String[] items = REPatterns.COLON.split(destinationParams, 3);
         String worldName = items[0];
         MultiverseWorld world = getMultiverseWorld(worldName);

src/main/java/org/mvplugins/multiverse/core/destination/core/WorldDestinationInstance.java

@@ -8,12 +8,9 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
-import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 
-import java.lang.ref.Reference;
-import java.lang.ref.WeakReference;
-
 /**
  * Destination instance implementation for the {@link WorldDestination}.
  */
@@ -87,6 +84,14 @@ public final class WorldDestinationInstance extends DestinationInstance<WorldDes
         return Option.of(world.getName());
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        return Message.of(world.getAliasOrName());
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/display/filters/RegexContentFilter.java

@@ -8,6 +8,7 @@ import com.google.common.base.Strings;
 import org.bukkit.ChatColor;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.mvplugins.multiverse.core.utils.text.ChatTextFormatter;
 
 /**
  * Filter content and text based on regex matching.
@@ -68,9 +69,12 @@ public class RegexContentFilter implements ContentFilter {
         if (!hasValidRegex()) {
             return false;
         }
-        String text = ChatColor.stripColor(String.valueOf(value)).toLowerCase();
+        String text = ChatTextFormatter.removeColor(String.valueOf(value));
+        if (text == null) {
+            return false;
+        }
         try {
-            return regexPattern.matcher(text).find();
+            return regexPattern.matcher(text.toLowerCase()).find();
         } catch (PatternSyntaxException ignored) {
             Logging.warning("Error parsing regex '%s' for input '%s'", regexString, text);
             return false;

src/main/java/org/mvplugins/multiverse/core/event/world/MVWorldClonedEvent.java

@@ -1,8 +1,11 @@
 package org.mvplugins.multiverse.core.event.world;
 
 import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
 
 /**
  * Called when a world has been successfully cloned.
@@ -10,14 +13,24 @@ import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 public final class MVWorldClonedEvent extends MultiverseWorldEvent<LoadedMultiverseWorld> {
     private static final HandlerList HANDLERS = new HandlerList();
 
-    private final LoadedMultiverseWorld fromWorld;
+    private final MultiverseWorld fromWorld;
 
-    public MVWorldClonedEvent(LoadedMultiverseWorld world, LoadedMultiverseWorld fromWorld) {
+    public MVWorldClonedEvent(LoadedMultiverseWorld world, MultiverseWorld fromWorld) {
         super(world);
         this.fromWorld = fromWorld;
     }
 
-    public LoadedMultiverseWorld getFromWorld() {
+    /**
+     * @deprecated Cloning can be done from unloaded worlds as well. Use {@link #getSourceWorld()} instead.
+     */
+    @Deprecated(forRemoval = true, since = "5.6")
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
+    public @Nullable LoadedMultiverseWorld getFromWorld() {
+        return fromWorld.asLoadedWorld().getOrNull();
+    }
+
+    @ApiStatus.AvailableSince("5.6")
+    public @NotNull MultiverseWorld getSourceWorld() {
         return fromWorld;
     }
 
@@ -37,5 +50,4 @@ public final class MVWorldClonedEvent extends MultiverseWorldEvent<LoadedMultive
     public static HandlerList getHandlerList() {
         return HANDLERS;
     }
-
 }

src/main/java/org/mvplugins/multiverse/core/exceptions/utils/position/PositionParseException.java

@@ -0,0 +1,23 @@
+package org.mvplugins.multiverse.core.exceptions.utils.position;
+
+import org.jetbrains.annotations.Nullable;
+import org.mvplugins.multiverse.core.exceptions.MultiverseException;
+import org.mvplugins.multiverse.core.locale.message.Message;
+
+public class PositionParseException extends MultiverseException {
+    public PositionParseException(String message) {
+        super(message);
+    }
+
+    public PositionParseException(@Nullable Message message) {
+        super(message);
+    }
+
+    public PositionParseException(@Nullable String message, @Nullable Throwable cause) {
+        super(message, cause);
+    }
+
+    public PositionParseException(@Nullable Message message, @Nullable Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/org/mvplugins/multiverse/core/listeners/MVChatListener.java

@@ -5,7 +5,6 @@ import io.papermc.paper.event.player.AsyncChatEvent;
 import jakarta.inject.Inject;
 import net.kyori.adventure.text.TextReplacementConfig;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 import org.bukkit.event.player.AsyncPlayerChatEvent;
 import org.jvnet.hk2.annotations.Service;
@@ -15,7 +14,9 @@ import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventClass;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.IgnoreIfCancelled;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.SkipIfEventExist;
+import org.mvplugins.multiverse.core.utils.text.ChatTextFormatter;
 import org.mvplugins.multiverse.core.world.WorldManager;
+import org.mvplugins.multiverse.core.world.helpers.ConcurrentPlayerWorldTracker;
 
 /**
  * Multiverse's Listener for players.
@@ -24,16 +25,17 @@ import org.mvplugins.multiverse.core.world.WorldManager;
 final class MVChatListener implements CoreListener {
     private final CoreConfig config;
     private final WorldManager worldManager;
-    private final MVPlayerListener playerListener;
+    private final ConcurrentPlayerWorldTracker playerWorldTracker;
 
     @Inject
     MVChatListener(
             CoreConfig config,
             WorldManager worldManager,
-            MVPlayerListener playerListener) {
+            ConcurrentPlayerWorldTracker playerWorldTracker
+    ) {
         this.config = config;
         this.worldManager = worldManager;
-        this.playerListener = playerListener;
+        this.playerWorldTracker = playerWorldTracker;
     }
 
     @EventClass("io.papermc.paper.event.player.AsyncChatEvent")
@@ -87,18 +89,16 @@ final class MVChatListener implements CoreListener {
 
         String prefixChatFormat = config.getPrefixChatFormat();
         prefixChatFormat = prefixChatFormat.replace("%world%", worldName).replace("%chat%", chat);
-        prefixChatFormat = ChatColor.translateAlternateColorCodes('&', prefixChatFormat);
-
-        event.setFormat(prefixChatFormat);
+        prefixChatFormat = ChatTextFormatter.colorize(prefixChatFormat);
+        if (prefixChatFormat != null) {
+            event.setFormat(prefixChatFormat);
+        }
     }
 
     private String getWorldName(Player player) {
-        String world = playerListener.getPlayerWorld().get(player.getName());
-        if (world == null) {
-            world = player.getWorld().getName();
-            playerListener.getPlayerWorld().put(player.getName(), world);
-        }
-        return this.worldManager.getLoadedWorld(world)
+        String worldName = playerWorldTracker.getPlayerWorld(player.getName())
+                .getOrElse(() -> player.getWorld().getName());
+        return this.worldManager.getLoadedWorld(worldName)
                 .map(mvworld -> mvworld.isHidden() ? "" : mvworld.getAliasOrName())
                 .getOrElse("");
     }

src/main/java/org/mvplugins/multiverse/core/listeners/MVEntityListener.java

@@ -11,7 +11,6 @@ import com.dumptruckman.minecraft.util.Logging;
 import jakarta.inject.Inject;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
@@ -43,7 +42,7 @@ final class MVEntityListener implements CoreListener {
      * @param event The Event that was fired.
      */
     @EventMethod
-    public void foodLevelChange(FoodLevelChangeEvent event) {
+    void foodLevelChange(FoodLevelChangeEvent event) {
         if (event.isCancelled()) {
             return;
         }
@@ -65,7 +64,7 @@ final class MVEntityListener implements CoreListener {
      * @param event The Event that was fired.
      */
     @EventMethod
-    public void entityRegainHealth(EntityRegainHealthEvent event) {
+    void entityRegainHealth(EntityRegainHealthEvent event) {
         if (event.isCancelled() || event.getRegainReason() != RegainReason.REGEN) {
             return;
         }
@@ -84,7 +83,7 @@ final class MVEntityListener implements CoreListener {
      * @param event The event.
      */
     @EventMethod
-    public void creatureSpawn(CreatureSpawnEvent event) {
+    void creatureSpawn(CreatureSpawnEvent event) {
         if (event.isCancelled()) {
             return;
         }
@@ -92,7 +91,8 @@ final class MVEntityListener implements CoreListener {
         // Always allow custom command and plugins to spawn creatures
         if (event.getSpawnReason() == SpawnReason.CUSTOM
                 || event.getSpawnReason() == SpawnReason.COMMAND
-                || event.getSpawnReason() == SpawnReason.BREEDING) {
+                || event.getSpawnReason() == SpawnReason.BREEDING
+                || event.getSpawnReason() == SpawnReason.SPAWNER_EGG) {
             return;
         }
 
@@ -109,7 +109,7 @@ final class MVEntityListener implements CoreListener {
      * Handle Spawn Category settings for non-creature entities.
      */
     @EventMethod
-    public void entitySpawn(EntitySpawnEvent event) {
+    void entitySpawn(EntitySpawnEvent event) {
         if (event.getEntity() instanceof LivingEntity) {
             // Handled by CreatureSpawnEvent
             return;

src/main/java/org/mvplugins/multiverse/core/listeners/MVPlayerListener.java

@@ -7,9 +7,7 @@
 
 package org.mvplugins.multiverse.core.listeners;
 
-import java.util.Map;
 import java.util.Objects;
-import java.util.concurrent.ConcurrentHashMap;
 
 import com.dumptruckman.minecraft.util.Logging;
 import io.vavr.control.Option;
@@ -23,6 +21,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerPortalEvent;
 import org.bukkit.event.player.PlayerRespawnEvent;
 import org.bukkit.event.player.PlayerTeleportEvent;
@@ -32,13 +31,17 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.MultiverseCore;
 import org.mvplugins.multiverse.core.command.MVCommandManager;
 import org.mvplugins.multiverse.core.config.CoreConfig;
+import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.DefaultEventPriority;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventPriorityKey;
+import org.mvplugins.multiverse.core.dynamiclistener.annotations.IgnoreIfCancelled;
 import org.mvplugins.multiverse.core.economy.MVEconomist;
 import org.mvplugins.multiverse.core.event.MVRespawnEvent;
 import org.mvplugins.multiverse.core.locale.PluginLocales;
+import org.mvplugins.multiverse.core.permissions.CorePermissionsChecker;
+import org.mvplugins.multiverse.core.teleportation.AsyncSafetyTeleporter;
 import org.mvplugins.multiverse.core.teleportation.BlockSafety;
 import org.mvplugins.multiverse.core.teleportation.TeleportQueue;
 import org.mvplugins.multiverse.core.utils.result.ResultChain;
@@ -49,7 +52,6 @@ import org.mvplugins.multiverse.core.world.entrycheck.EntryFeeResult;
 import org.mvplugins.multiverse.core.world.entrycheck.WorldEntryCheckerProvider;
 import org.mvplugins.multiverse.core.world.helpers.DimensionFinder;
 import org.mvplugins.multiverse.core.world.helpers.EnforcementHandler;
-import org.spigotmc.event.player.PlayerSpawnLocationEvent;
 
 /**
  * Multiverse's Listener for players.
@@ -68,8 +70,8 @@ final class MVPlayerListener implements CoreListener {
     private final DestinationsProvider destinationsProvider;
     private final EnforcementHandler enforcementHandler;
     private final DimensionFinder dimensionFinder;
-
-    private final Map<String, String> playerWorld = new ConcurrentHashMap<>();
+    private final CorePermissionsChecker corePermissionsChecker;
+    private final AsyncSafetyTeleporter asyncSafetyTeleporter;
 
     @Inject
     MVPlayerListener(
@@ -84,7 +86,9 @@ final class MVPlayerListener implements CoreListener {
             Provider<MVCommandManager> commandManagerProvider,
             DestinationsProvider destinationsProvider,
             EnforcementHandler enforcementHandler,
-            DimensionFinder dimensionFinder) {
+            DimensionFinder dimensionFinder,
+            CorePermissionsChecker corePermissionsChecker,
+            AsyncSafetyTeleporter asyncSafetyTeleporter) {
         this.plugin = plugin;
         this.config = config;
         this.worldManagerProvider = worldManagerProvider;
@@ -97,6 +101,8 @@ final class MVPlayerListener implements CoreListener {
         this.destinationsProvider = destinationsProvider;
         this.enforcementHandler = enforcementHandler;
         this.dimensionFinder = dimensionFinder;
+        this.corePermissionsChecker = corePermissionsChecker;
+        this.asyncSafetyTeleporter = asyncSafetyTeleporter;
     }
 
     private WorldManager getWorldManager() {
@@ -107,19 +113,10 @@ final class MVPlayerListener implements CoreListener {
         return commandManagerProvider.get();
     }
 
-    public PluginLocales getLocales() {
+    private PluginLocales getLocales() {
         return getCommandManager().getLocales();
     }
 
-    /**
-     * Gets the map of player and the world name they are in.
-     *
-     * @return the playerWorld-map
-     */
-    public Map<String, String> getPlayerWorld() {
-        return playerWorld;
-    }
-
     /**
      * This method is called when a player respawns.
      *
@@ -128,7 +125,7 @@ final class MVPlayerListener implements CoreListener {
     @EventMethod
     @EventPriorityKey("mvcore-player-respawn")
     @DefaultEventPriority(EventPriority.LOW)
-    public void playerRespawn(PlayerRespawnEvent event) {
+    void playerRespawn(PlayerRespawnEvent event) {
         Player player = event.getPlayer();
         LoadedMultiverseWorld mvWorld = getWorldManager().getLoadedWorld(player.getWorld()).getOrNull();
         if (mvWorld == null) {
@@ -196,23 +193,19 @@ final class MVPlayerListener implements CoreListener {
     }
 
     @EventMethod
+    // TODO: Consider if this key is needed anymore, need to remove from config.yml as well
     @EventPriorityKey("mvcore-player-spawn-location")
-    void playerSpawnLocation(PlayerSpawnLocationEvent event) {
+    void onPlayerJoin(PlayerJoinEvent event) {
         Player player = event.getPlayer();
-        MultiverseWorld world = getWorldManager().getLoadedWorld(player.getWorld()).getOrNull();
-        if (world == null) {
-            Logging.finer("Player joined in a world that is not managed by Multiverse.");
-            return;
-        }
-        if (!player.hasPlayedBefore()) {
-            handleFirstSpawn(event);
+        if (player.hasPlayedBefore()) {
+            handleJoinLocation(player);
         } else {
-            handleJoinLocation(event);
+            handleFirstSpawn(player);
         }
-        this.handleGameModeAndFlight(player, event.getSpawnLocation().getWorld());
+        handleGameModeAndFlight(player, player.getWorld());
     }
 
-    private void handleFirstSpawn(PlayerSpawnLocationEvent event) {
+    private void handleFirstSpawn(Player player) {
         if (!config.getFirstSpawnOverride()) {
             Logging.finer("FirstSpawnOverride is disabled");
             // User has disabled the feature in config
@@ -220,16 +213,14 @@ final class MVPlayerListener implements CoreListener {
         }
         Logging.fine("Moving NEW player to(firstspawnoverride): %s", config.getFirstSpawnLocation());
         destinationsProvider.parseDestination(config.getFirstSpawnLocation())
-                .map(destination -> destination.getLocation(event.getPlayer())
-                        .peek(event::setSpawnLocation)
-                        .onEmpty(() -> Logging.warning("The destination in FirstSpawnLocation in config is invalid")))
+                .peek(destination -> teleportToDestinationOnJoin(player, destination))
                 .onFailure(failure -> {
                     Logging.warning("Invalid destination in FirstSpawnLocation in config: %s");
                     Logging.warning(failure.getFailureMessage().formatted(getLocales()));
                 });
     }
 
-    private void handleJoinLocation(PlayerSpawnLocationEvent event) {
+    private void handleJoinLocation(Player player) {
         if (!config.getEnableJoinDestination()) {
             Logging.finer("JoinDestination is disabled");
             // User has disabled the feature in config
@@ -239,27 +230,36 @@ final class MVPlayerListener implements CoreListener {
             Logging.warning("Joindestination is enabled but no destination has been specified in config!");
             return;
         }
+        if (corePermissionsChecker.hasJoinLocationBypassPermission(player)) {
+            Logging.finer("Player %s has bypass permission for JoinDestination", player.getName());
+            return;
+        }
         Logging.finer("JoinDestination is " + config.getJoinDestination());
         destinationsProvider.parseDestination(config.getJoinDestination())
-                .map(destination -> destination.getLocation(event.getPlayer())
-                    .peek(event::setSpawnLocation)
-                    .onEmpty(() -> Logging.warning("The destination in JoinDestination in config is invalid")))
+                .peek(destination -> teleportToDestinationOnJoin(player, destination))
                 .onFailure(failure -> {
                     Logging.warning("Invalid destination in JoinDestination in config: %s");
                     Logging.warning(failure.getFailureMessage().formatted(getLocales()));
                 });
     }
 
+    private void teleportToDestinationOnJoin(Player player, DestinationInstance<?, ?> destination) {
+        asyncSafetyTeleporter.to(destination).passengerMode(config.getPassengerMode()).teleportSingle(player)
+                .onSuccess(result -> Logging.fine("Player %s has been teleported on join",
+                        player.getName()))
+                .onFailure(failure -> Logging.warning("Failed to teleport player %s on join: %s",
+                        player.getName(), failure.get(0)));
+    }
+
     /**
      * This method is called when a player changes worlds.
      * @param event The Event that was fired.
      */
     @EventMethod
-    @DefaultEventPriority(EventPriority.MONITOR)
-    public void playerChangedWorld(PlayerChangedWorldEvent event) {
-        // Permissions now determine whether or not to handle a gamemode.
+    @EventPriorityKey("mvcore-player-changed-world")
+    @DefaultEventPriority(EventPriority.NORMAL)
+    void playerChangedWorld(PlayerChangedWorldEvent event) {
         this.handleGameModeAndFlight(event.getPlayer(), event.getPlayer().getWorld());
-        playerWorld.put(event.getPlayer().getName(), event.getPlayer().getWorld().getName());
     }
 
     /**
@@ -269,13 +269,29 @@ final class MVPlayerListener implements CoreListener {
     @EventMethod
     @EventPriorityKey("mvcore-player-teleport")
     @DefaultEventPriority(EventPriority.HIGHEST)
-    public void playerTeleport(PlayerTeleportEvent event) {
-        Logging.finer("Got teleport event for player '"
-                + event.getPlayer().getName() + "' with cause '" + event.getCause() + "'");
+    void playerTeleport(PlayerTeleportEvent event) {
+        Player teleportee = event.getPlayer();
+
         if (event.isCancelled()) {
+            Logging.finer("Teleport event for player '" + teleportee.getName() + "' was already cancelled.");
             return;
         }
-        Player teleportee = event.getPlayer();
+
+        Logging.finer("Got teleport event for player '"
+                + teleportee.getName() + "' with cause '" + event.getCause() + "'");
+
+        Location fromLocation = event.getFrom();
+        if (fromLocation == null || fromLocation.getWorld() == null) { // should never be null, but just in case
+            Logging.finer("Teleport event for player '" + teleportee.getName() + "' has null from-location or world.");
+            return;
+        }
+
+        Location toLocation = event.getTo();
+        if (toLocation == null || toLocation.getWorld() == null) { // may be null on spigot
+            Logging.finer("Teleport event for player '" + teleportee.getName() + "' has null to-location or world.");
+            return;
+        }
+
         Option<String> teleporterName = teleportQueue.popFromQueue(teleportee.getName());
         CommandSender teleporter = teleporterName.map(name -> {
             if (name.equalsIgnoreCase("CONSOLE")) {
@@ -296,17 +312,17 @@ final class MVPlayerListener implements CoreListener {
         }
 
         Logging.finer("Teleporter %s is teleporting %s from %s to %s", teleporter.getName(), teleportee.getName(),
-                event.getFrom(), event.getTo());
+                fromLocation, toLocation);
 
-        MultiverseWorld fromWorld = getWorldManager().getLoadedWorld(event.getFrom().getWorld()).getOrNull();
-        LoadedMultiverseWorld toWorld = getWorldManager().getLoadedWorld(event.getTo().getWorld()).getOrNull();
+        MultiverseWorld fromWorld = getWorldManager().getLoadedWorld(fromLocation.getWorld()).getOrNull();
+        LoadedMultiverseWorld toWorld = getWorldManager().getLoadedWorld(toLocation.getWorld()).getOrNull();
         if (toWorld == null) {
             Logging.fine("Player '" + teleportee.getName() + "' is teleporting to world '"
-                    + event.getTo().getWorld().getName() + "' which is not managed by Multiverse-Core.  No further "
+                    + toLocation.getWorld().getName() + "' which is not managed by Multiverse-Core.  No further "
                     + "actions will be taken by Multiverse-Core.");
             return;
         }
-        if (event.getFrom().getWorld().equals(event.getTo().getWorld())) {
+        if (fromLocation.getWorld().equals(toLocation.getWorld())) {
             // The player is Teleporting to the same world.
             Logging.finer("Player '" + teleportee.getName() + "' is teleporting to the same world.");
             this.stateSuccess(teleportee.getName(), toWorld.getName());
@@ -340,20 +356,19 @@ final class MVPlayerListener implements CoreListener {
      */
     @EventMethod
     @DefaultEventPriority(EventPriority.LOWEST)
-    public void playerPortalCheck(PlayerPortalEvent event) {
-        if (event.isCancelled()) {
-            return;
-        }
-        if (event.getFrom().getWorld() == null) {
+    @IgnoreIfCancelled
+    void playerPortalCheck(PlayerPortalEvent event) {
+        Location fromLocation = event.getFrom();
+        if (fromLocation == null || fromLocation.getWorld() == null) {
             Logging.warning("PlayerPortalEvent's from world is null!");
             return;
         }
-        if (event.getFrom().getWorld().getBlockAt(event.getFrom()).getType() == Material.NETHER_PORTAL) {
+        if (fromLocation.getWorld().getBlockAt(fromLocation).getType() == Material.NETHER_PORTAL) {
             return;
         }
 
         // Player was actually outside of the portal, adjust the from location
-        Location newLocation = blockSafety.findPortalBlockNextTo(event.getFrom());
+        Location newLocation = blockSafety.findPortalBlockNextTo(fromLocation);
         if (newLocation != null) {
             event.setFrom(newLocation);
         }
@@ -366,28 +381,33 @@ final class MVPlayerListener implements CoreListener {
     @EventMethod
     @EventPriorityKey("mvcore-player-portal")
     @DefaultEventPriority(EventPriority.HIGH)
-    public void playerPortal(PlayerPortalEvent event) {
-        if (event.isCancelled()) {
+    @IgnoreIfCancelled
+    void playerPortal(PlayerPortalEvent event) {
+        Location fromLocation = event.getFrom();
+        if (fromLocation == null || fromLocation.getWorld() == null) { // should never be null, but just in case
+            Logging.finer("PlayerPortalEvent's from world is null!");
             return;
         }
-        if (event.getTo() == null || event.getTo().getWorld() == null) {
+
+        Location toLocation = event.getTo();
+        if (toLocation == null || toLocation.getWorld() == null) { // may be null on spigot
             Logging.finer("PlayerPortalEvent's to world is null!");
             return;
         }
         if (config.isUsingCustomPortalSearch()) {
             event.setSearchRadius(config.getCustomPortalSearchRadius());
         }
-        if (Objects.equals(event.getFrom().getWorld(), event.getTo().getWorld())) {
+        if (Objects.equals(fromLocation.getWorld(), toLocation.getWorld())) {
             // The player is Portaling to the same world.
             Logging.finer("Player '" + event.getPlayer().getName() + "' is portaling to the same world.");
             return;
         }
 
-        MultiverseWorld fromWorld = getWorldManager().getLoadedWorld(event.getFrom().getWorld()).getOrNull();
-        LoadedMultiverseWorld toWorld = getWorldManager().getLoadedWorld(event.getTo().getWorld()).getOrNull();
+        MultiverseWorld fromWorld = getWorldManager().getLoadedWorld(fromLocation.getWorld()).getOrNull();
+        LoadedMultiverseWorld toWorld = getWorldManager().getLoadedWorld(toLocation.getWorld()).getOrNull();
         if (toWorld == null) {
             Logging.fine("Player '" + event.getPlayer().getName() + "' is portaling to world '"
-                    + event.getTo().getWorld().getName() + "' which is not managed by Multiverse-Core.  No further "
+                    + toLocation.getWorld().getName() + "' which is not managed by Multiverse-Core.  No further "
                     + "actions will be taken by Multiverse-Core.");
             return;
         }
@@ -401,21 +421,31 @@ final class MVPlayerListener implements CoreListener {
     }
 
     /**
-     * Handles the gamemode for the specified {@link Player}.
+     * Handles the gamemode for the specified {@link Player}. Delays the enforcement if configured to do so
+     * to ensure multiverse has final say over other plugins changing gamemodes.
      *
      * @param player The {@link Player}.
      * @param world  The {@link World} the player is supposed to be in.
      */
     private void handleGameModeAndFlight(final Player player, World world) {
-        // We perform this task one tick later to MAKE SURE that the player actually reaches the
-        // destination world, otherwise we'd be changing the player mode if they havent moved anywhere.
-        this.server.getScheduler().runTaskLater(this.plugin, () -> {
-            if (!player.isOnline() || !player.getWorld().equals(world)) {
-                return;
-            }
-            Logging.finer("Handling gamemode and flight for player %s in world '%s'", player.getName(), world.getName());
-            enforcementHandler.handleFlightEnforcement(player);
-            enforcementHandler.handleGameModeEnforcement(player);
-        }, 1L);
+        if (config.getGamemodeAndFlightEnforceDelay() <= 0) {
+            doGameModeAndFlightEnforcement(player, world);
+            return;
+        }
+        server.getScheduler().runTaskLater(
+                this.plugin,
+                () -> doGameModeAndFlightEnforcement(player, world),
+                config.getGamemodeAndFlightEnforceDelay()
+        );
+    }
+
+    private void doGameModeAndFlightEnforcement(Player player, World world) {
+        if (!player.isOnline() || !player.getWorld().equals(world)) {
+            Logging.finer("Player %s is no longer online or not in the expected world '%s'", player.getName(), world.getName());
+            return;
+        }
+        Logging.finer("Handling gamemode and flight for player %s in world '%s'", player.getName(), world.getName());
+        enforcementHandler.handleFlightEnforcement(player);
+        enforcementHandler.handleGameModeEnforcement(player);
     }
 }

src/main/java/org/mvplugins/multiverse/core/listeners/MVPortalListener.java

@@ -12,7 +12,6 @@ import jakarta.inject.Inject;
 import org.bukkit.Material;
 import org.bukkit.PortalType;
 import org.bukkit.block.BlockState;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.entity.EntityPortalEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
@@ -48,7 +47,7 @@ final class MVPortalListener implements CoreListener {
      */
     @EventMethod
     @IgnoreIfCancelled
-    public void portalCreate(PortalCreateEvent event) {
+    void portalCreate(PortalCreateEvent event) {
         Logging.fine("Attempting to create portal at '%s' with reason: %s",
                 event.getWorld().getName(), event.getReason());
 
@@ -93,7 +92,7 @@ final class MVPortalListener implements CoreListener {
      */
     @EventMethod
     @IgnoreIfCancelled
-    public void playerInteract(PlayerInteractEvent event) {
+    void playerInteract(PlayerInteractEvent event) {
         if (isCreateEndPortalInteraction(event)) {
             return;
         }
@@ -122,7 +121,7 @@ final class MVPortalListener implements CoreListener {
      * @param event The Event that was fired.
      */
     @EventMethod
-    public void entityPortal(EntityPortalEvent event) {
+    void entityPortal(EntityPortalEvent event) {
         if (event.isCancelled() || event.getTo() == null) {
             return;
         }

src/main/java/org/mvplugins/multiverse/core/listeners/MVWeatherListener.java

@@ -9,7 +9,6 @@ package org.mvplugins.multiverse.core.listeners;
 
 import com.dumptruckman.minecraft.util.Logging;
 import jakarta.inject.Inject;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.weather.ThunderChangeEvent;
 import org.bukkit.event.weather.WeatherChangeEvent;
 import org.jvnet.hk2.annotations.Service;
@@ -35,7 +34,7 @@ final class MVWeatherListener implements CoreListener {
      * @param event The Event that was fired.
      */
     @EventMethod
-    public void weatherChange(WeatherChangeEvent event) {
+    void weatherChange(WeatherChangeEvent event) {
         if (event.isCancelled() || !event.toWeatherState()) {
             return;
         }
@@ -54,7 +53,7 @@ final class MVWeatherListener implements CoreListener {
      * @param event The Event that was fired.
      */
     @EventMethod
-    public void thunderChange(ThunderChangeEvent event) {
+    void thunderChange(ThunderChangeEvent event) {
         if (event.isCancelled() || !event.toThunderState()) {
             return;
         }

src/main/java/org/mvplugins/multiverse/core/listeners/MVWorldListener.java

@@ -18,6 +18,7 @@ import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.DefaultEventPriority;
 import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.world.WorldManager;
+import org.mvplugins.multiverse.core.world.options.LoadWorldOptions;
 import org.mvplugins.multiverse.core.world.options.UnloadWorldOptions;
 import org.mvplugins.multiverse.core.world.reasons.LoadFailureReason;
 import org.mvplugins.multiverse.core.world.reasons.UnloadFailureReason;
@@ -68,7 +69,7 @@ final class MVWorldListener implements CoreListener {
         worldManager.getUnloadedWorld(event.getWorld().getName())
                 .peek(world -> {
                     Logging.fine("Loading world: " + world.getName());
-                    worldManager.loadWorld(world).onFailure(failure -> {
+                    worldManager.loadWorld(LoadWorldOptions.world(world)).onFailure(failure -> {
                         if (failure.getFailureReason() != LoadFailureReason.WORLD_ALREADY_LOADING) {
                             Logging.severe("Failed to load world: " + failure);
                         }

src/main/java/org/mvplugins/multiverse/core/locale/MVCorei18n.java

@@ -8,6 +8,8 @@ import org.jetbrains.annotations.NotNull;
 import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
 
+import java.util.Locale;
+
 /**
  * All the translation keys for the core plugin
  */
@@ -149,6 +151,7 @@ public enum MVCorei18n implements MessageKeyProvider {
     MODIFY_WORLD_DESCRIPTION,
     MODIFY_PROPERTY_DESCRIPTION,
     MODIFY_VALUE_DESCRIPTION,
+    MODIFY_PROPERTYREMOVED,
     MODIFY_CANNOTHAVEVALUE,
     MODIFY_SPECIFYVALUE,
     MODIFY_SUCCESS,
@@ -181,6 +184,10 @@ public enum MVCorei18n implements MessageKeyProvider {
     SETSPAWN_DESCRIPTION,
     SETSPAWN_LOCATION_DESCRIPTION,
     SETSPAWN_WORLD_DESCRIPTION,
+    SETSPAWN_UNSAFE,
+    SETSPAWN_SUCCESS,
+    SETSPAWN_FAILED,
+    SETSPAWN_NOTMVWORLD,
 
     // /mv spawn
     SPAWN_DESCRIPTION,
@@ -285,6 +292,7 @@ public enum MVCorei18n implements MessageKeyProvider {
     CLONEWORLD_WORLDEXISTFOLDER,
     CLONEWORLD_WORLDEXISTUNLOADED,
     CLONEWORLD_WORLDEXISTLOADED,
+    CLONEWORLD_FROMWORLDFOLDERINVALID,
     CLONEWORLD_COPYFAILED,
 
     CREATEWORLD_INVALIDWORLDNAME,
@@ -301,11 +309,13 @@ public enum MVCorei18n implements MessageKeyProvider {
     IMPORTWORLD_WORLDEXISTUNLOADED,
     IMPORTWORLD_WORLDEXISTLOADED,
     IMPORTWORLD_WORLDFOLDERINVALID,
+    IMPORTWORLD_BUKKITENVIRONMENTMISMATCH,
 
     LOADWORLD_WORLDALREADYLOADING,
     LOADWORLD_WORLDNONEXISTENT,
     LOADWORLD_WORLDEXISTFOLDER,
     LOADWORLD_WORLDEXISTLOADED,
+    LOADWORLD_BUKKITENVIRONMENTMISMATCH,
 
     REMOVEWORLD_WORLDNONEXISTENT,
 
@@ -337,6 +347,11 @@ public enum MVCorei18n implements MessageKeyProvider {
     EXCEPTION_MULTIVERSEWORLD_UNLOADPLAYERSINWORLD,
     EXCEPTION_MULTIVERSEWORLD_UNLOADERROR,
 
+    // multiverse position parse exception
+    EXCEPTION_POSITIONPARSE_INVALIDDIRECTION,
+    EXCEPTION_POSITIONPARSE_INVALIDCOORDINATES,
+    EXCEPTION_POSITIONPARSE_INVALIDNUMBER,
+
     // generic
     GENERIC_SUCCESS,
     GENERIC_FAILURE,
@@ -347,7 +362,8 @@ public enum MVCorei18n implements MessageKeyProvider {
 
     // END CHECKSTYLE-SUPPRESSION: Javadoc
 
-    private final MessageKey key = MessageKey.of("mv-core." + this.name().replace('_', '.').toLowerCase());
+    private final MessageKey key = MessageKey.of("mv-core." + this.name().replace('_', '.')
+            .toLowerCase(Locale.ENGLISH));
 
     /**
      * {@inheritDoc}

src/main/java/org/mvplugins/multiverse/core/locale/message/LocalizedMessage.java

@@ -27,39 +27,12 @@ public final class LocalizedMessage extends Message implements MessageKeyProvide
         return messageKeyProvider.getMessageKey();
     }
 
-    @Override
-    public @NotNull String[] getReplacements(@NotNull Locales locales, @Nullable CommandIssuer commandIssuer) {
-        return toReplacementsArray(locales, commandIssuer, replacements);
-    }
-
-    @Override
-    public @NotNull String formatted(@NotNull CommandIssuer commandIssuer) {
-        return formatted(commandIssuer.getManager().getLocales(), commandIssuer);
-    }
-
     @Override
     public @NotNull String formatted(@NotNull Locales locales, @Nullable CommandIssuer commandIssuer) {
-        Objects.requireNonNull(locales, "locales must not be null");
-
         String[] parsedReplacements = getReplacements(locales, commandIssuer);
         if (parsedReplacements.length == 0) {
             return locales.getMessage(commandIssuer, getMessageKey());
         }
         return ACFUtil.replaceStrings(locales.getMessage(commandIssuer, getMessageKey()), parsedReplacements);
     }
-
-    private static String[] toReplacementsArray(
-            @NotNull Locales locales,
-            @Nullable CommandIssuer commandIssuer,
-            @NotNull MessageReplacement... replacements) {
-        String[] replacementsArray = new String[replacements.length * 2];
-        int i = 0;
-        for (MessageReplacement replacement : replacements) {
-            replacementsArray[i++] = replacement.getKey();
-            replacementsArray[i++] = replacement.getReplacement().fold(
-                    str -> str,
-                    message -> message.formatted(locales, commandIssuer));
-        }
-        return replacementsArray;
-    }
 }

src/main/java/org/mvplugins/multiverse/core/locale/message/Message.java

@@ -103,7 +103,7 @@ public sealed class Message permits LocalizedMessage {
      * @return The replacements
      */
     public @NotNull String[] getReplacements(@NotNull Locales locales, @Nullable CommandIssuer commandIssuer) {
-        return getReplacements();
+        return toReplacementsArray(locales, commandIssuer, replacements);
     }
 
     /**
@@ -152,7 +152,7 @@ public sealed class Message permits LocalizedMessage {
      * @return The formatted, localized message
      */
     public @NotNull String formatted(@NotNull CommandIssuer commandIssuer) {
-        return formatted();
+        return formatted(commandIssuer.getManager().getLocales(), commandIssuer);
     }
 
     /**
@@ -166,7 +166,11 @@ public sealed class Message permits LocalizedMessage {
      * @return The formatted, localized message
      */
     public @NotNull String formatted(@NotNull Locales locales, @Nullable CommandIssuer commandIssuer) {
-        return formatted();
+        String[] parsedReplacements = getReplacements(locales, commandIssuer);
+        if (parsedReplacements.length == 0) {
+            return raw();
+        }
+        return ACFUtil.replaceStrings(message, parsedReplacements);
     }
 
     private static String[] toReplacementsArray(@NotNull MessageReplacement... replacements) {
@@ -178,4 +182,19 @@ public sealed class Message permits LocalizedMessage {
         }
         return replacementsArray;
     }
+
+    private static String[] toReplacementsArray(
+            @NotNull Locales locales,
+            @Nullable CommandIssuer commandIssuer,
+            @NotNull MessageReplacement... replacements) {
+        String[] replacementsArray = new String[replacements.length * 2];
+        int i = 0;
+        for (MessageReplacement replacement : replacements) {
+            replacementsArray[i++] = replacement.getKey();
+            replacementsArray[i++] = replacement.getReplacement().fold(
+                    str -> str,
+                    message -> message.formatted(locales, commandIssuer));
+        }
+        return replacementsArray;
+    }
 }

src/main/java/org/mvplugins/multiverse/core/locale/message/MessageReplacement.java

@@ -105,6 +105,7 @@ public final class MessageReplacement {
         DESTINATION(replace("{destination}")),
         ERROR(replace("{error}")),
         GAMERULE(replace("{gamerule}")),
+        LOCATION(replace("{location}")),
         NAME(replace("{name}")),
         PLAYER(replace("{player}")),
         REASON(replace("{reason}")),

src/main/java/org/mvplugins/multiverse/core/module/MultiverseModule.java

@@ -10,18 +10,16 @@ import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.ApiStatus;
 import org.jvnet.hk2.annotations.Contract;
 import org.mvplugins.multiverse.core.MultiverseCore;
-import org.mvplugins.multiverse.core.MultiverseCoreApi;
 import org.mvplugins.multiverse.core.command.MVCommandManager;
 import org.mvplugins.multiverse.core.command.MultiverseCommand;
-import org.mvplugins.multiverse.core.commands.CoreCommand;
 import org.mvplugins.multiverse.core.dynamiclistener.DynamicListener;
 import org.mvplugins.multiverse.core.dynamiclistener.DynamicListenerRegistration;
 import org.mvplugins.multiverse.core.inject.PluginServiceLocator;
 import org.mvplugins.multiverse.core.inject.PluginServiceLocatorFactory;
-import org.mvplugins.multiverse.core.inject.binder.PluginBinder;
-import org.mvplugins.multiverse.core.listeners.CoreListener;
 import org.mvplugins.multiverse.core.utils.REPatterns;
 
+import java.util.Locale;
+
 /**
  * Common plugin class for all Multiverse plugins.
  */
@@ -108,8 +106,8 @@ public abstract class MultiverseModule extends JavaPlugin {
      *
      * @deprecated Use {@link #registerDynamicListeners(Class)} with the new DynamicListener API.
      */
-    @Deprecated(since = "5.0.0", forRemoval = true)
-    @ApiStatus.ScheduledForRemoval(inVersion = "6.0.0")
+    @Deprecated(since = "5.0", forRemoval = true)
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
     protected void registerEvents(Class<? extends Listener> listenerClass) {
         var pluginManager = getServer().getPluginManager();
         Try.run(() -> serviceLocator.getAllServices(listenerClass).forEach(
@@ -151,7 +149,7 @@ public abstract class MultiverseModule extends JavaPlugin {
                 .andThen(pluginLocales -> {
                     pluginLocales.addFileResClassLoader(this);
                     pluginLocales.addBundleClassLoader(this.getClassLoader());
-                    pluginLocales.addMessageBundles(this.getDescription().getName().toLowerCase());
+                    pluginLocales.addMessageBundles(this.getName().toLowerCase(Locale.ENGLISH));
                 })
                 .onFailure(e -> {
                     Logging.severe("Failed to register locales");

src/main/java/org/mvplugins/multiverse/core/permissions/CorePermissions.java

@@ -2,6 +2,7 @@ package org.mvplugins.multiverse.core.permissions;
 
 import com.dumptruckman.minecraft.util.Logging;
 import io.vavr.control.Try;
+import jakarta.annotation.PostConstruct;
 import jakarta.inject.Inject;
 import org.bukkit.permissions.Permission;
 import org.bukkit.permissions.PermissionDefault;
@@ -12,9 +13,15 @@ import org.mvplugins.multiverse.core.destination.Destination;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 
 import static org.mvplugins.multiverse.core.permissions.PermissionUtils.concatPermission;
+import static org.mvplugins.multiverse.core.permissions.PermissionUtils.registerPermissionWithWildcards;
 
 @Service
 public final class CorePermissions {
+    /**
+     * Permission to bypass the join location.
+     */
+    static final String JOINLOCATION_BYPASS = "mv.bypass.joinlocation";
+
     /**
      * Permission to access a world.
      */
@@ -52,24 +59,36 @@ public final class CorePermissions {
         this.pluginManager = pluginManager;
     }
 
+    @PostConstruct
+    void registerBasePermissions() {
+        Try.run(() -> {
+            registerPermissionWithWildcards(new Permission(JOINLOCATION_BYPASS, PermissionDefault.FALSE));
+        }).onSuccess(ignore -> {
+            Logging.fine("Successfully registered base permissions");
+        }).onFailure(e -> {
+            Logging.fine("Failed to register base permissions: %s", e.getMessage());
+        });
+    }
+
     public Try<Void> addWorldPermissions(@NotNull MultiverseWorld world) {
         return Try.run(() -> {
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(WORLD_ACCESS, world.getName()), PermissionDefault.OP));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(WORLD_EXEMPT, world.getName()), PermissionDefault.OP));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(GAMEMODE_BYPASS, world.getName()), PermissionDefault.FALSE));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(PLAYERLIMIT_BYPASS, world.getName()), PermissionDefault.FALSE));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(SPAWN, world.getName()), PermissionDefault.OP));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(SPAWN, "self", world.getName()), PermissionDefault.OP));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(SPAWN, "other", world.getName()), PermissionDefault.OP));
             Logging.fine("Successfully registered permissions for world %s", world.getName());
-        });
+        }).onFailure(e -> Logging.fine("Failed to register permissions for world %s: %s",
+                world.getName(), e.getMessage()));
     }
 
     public Try<Void> removeWorldPermissions(@NotNull MultiverseWorld world) {
@@ -78,20 +97,23 @@ public final class CorePermissions {
             pluginManager.removePermission(concatPermission(WORLD_EXEMPT, world.getName()));
             pluginManager.removePermission(concatPermission(GAMEMODE_BYPASS, world.getName()));
             pluginManager.removePermission(concatPermission(PLAYERLIMIT_BYPASS, world.getName()));
+            pluginManager.removePermission(concatPermission(SPAWN, world.getName()));
             pluginManager.removePermission(concatPermission(SPAWN, "self", world.getName()));
             pluginManager.removePermission(concatPermission(SPAWN, "other", world.getName()));
             Logging.fine("Successfully removed permissions for world %s", world.getName());
-        });
+        }).onFailure(e -> Logging.fine("Failed to remove permissions for world %s: %s",
+                world.getName(), e.getMessage()));
     }
 
     public Try<Void> addDestinationPermissions(@NotNull Destination destination) {
         return Try.run(() -> {
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(TELEPORT, "self", destination.getIdentifier()), PermissionDefault.OP));
-            pluginManager.addPermission(new Permission(
+            registerPermissionWithWildcards(new Permission(
                     concatPermission(TELEPORT, "other", destination.getIdentifier()), PermissionDefault.OP));
             Logging.fine("Successfully registered permissions for destination %s", destination.getIdentifier());
-        });
+        }).onFailure(e -> Logging.fine("Failed to register permissions for destination %s: %s",
+                destination.getIdentifier(), e.getMessage()));
     }
 
     public Try<Void> removeDestinationPermissions(@NotNull Destination destination) {
@@ -99,6 +121,7 @@ public final class CorePermissions {
             pluginManager.removePermission(concatPermission(TELEPORT, "self", destination.getIdentifier()));
             pluginManager.removePermission(concatPermission(TELEPORT, "other", destination.getIdentifier()));
             Logging.fine("Successfully removed permissions for destination %s", destination.getIdentifier());
-        });
+        }).onFailure(e -> Logging.fine("Failed to remove permissions for destination %s: %s",
+                destination.getIdentifier(), e.getMessage()));
     }
 }

src/main/java/org/mvplugins/multiverse/core/permissions/CorePermissionsChecker.java

@@ -3,6 +3,7 @@ package org.mvplugins.multiverse.core.permissions;
 import jakarta.inject.Inject;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
@@ -50,6 +51,19 @@ public final class CorePermissionsChecker {
         this.worldManager = worldManager;
     }
 
+    /**
+     * Checks if the sender has permission to bypass the join location restriction.
+     *
+     * @param sender The command sender.
+     * @return True if the sender has bypass permission, false otherwise.
+     *
+     * @since 5.2
+     */
+    @ApiStatus.AvailableSince("5.2")
+    public boolean hasJoinLocationBypassPermission(@NotNull CommandSender sender) {
+        return hasPermission(sender, CorePermissions.JOINLOCATION_BYPASS);
+    }
+
     /**
      * Checks if the sender has permission to access the specified world.
      *
@@ -349,8 +363,8 @@ public final class CorePermissionsChecker {
             return scope;
         }
 
-        public static Scope getApplicableScope(CommandSender sender, Entity entity) {
-            if (sender instanceof Entity senderEntity && senderEntity.equals(entity)) {
+        public static Scope getApplicableScope(CommandSender teleporter, Entity entity) {
+            if (teleporter instanceof Entity senderEntity && senderEntity.equals(entity)) {
                 return Scope.SELF;
             }
             return Scope.OTHER;

src/main/java/org/mvplugins/multiverse/core/permissions/PermissionUtils.java

@@ -1,8 +1,14 @@
 package org.mvplugins.multiverse.core.permissions;
 
 import com.dumptruckman.minecraft.util.Logging;
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.permissions.Permission;
+import org.bukkit.permissions.PermissionDefault;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.Arrays;
 
 public final class PermissionUtils {
 
@@ -20,6 +26,37 @@ public final class PermissionUtils {
         PermissionUtils.debugPermissions = debugPermissions;
     }
 
+    /**
+     * Registers a permission along with all its wildcard parents.
+     * <br />
+     * For example, registering "mv.bypass.joinlocation" will also register "mv.*" and "mv.bypass.*" as parents.
+     *
+     * @param permission    The permission to register.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    public static void registerPermissionWithWildcards(Permission permission) {
+        Bukkit.getServer().getPluginManager().addPermission(permission);
+        String[] split = permission.getName().split("\\.");
+        StringBuilder prefix = new StringBuilder();
+        // Skip the last element since it's the actual permission
+        Arrays.stream(Arrays.copyOfRange(split, 0, split.length - 1)).forEach(s -> {
+            prefix.append(s).append(".");
+            Permission perm = getOrAddPermission(prefix + "*");
+            permission.addParent(perm, true);
+        });
+    }
+
+    private static Permission getOrAddPermission(String permission) {
+        Permission perm = Bukkit.getServer().getPluginManager().getPermission(permission);
+        if (perm == null) {
+            perm = new Permission(permission, PermissionDefault.FALSE);
+            Bukkit.getServer().getPluginManager().addPermission(perm);
+        }
+        return perm;
+    }
+
     /**
      * Joins permissions with a dot.
      *

src/main/java/org/mvplugins/multiverse/core/teleportation/AsyncSafetyTeleporterAction.java

@@ -11,6 +11,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.PluginManager;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.mvplugins.multiverse.core.MultiverseCore;
@@ -20,6 +21,7 @@ import org.mvplugins.multiverse.core.utils.result.AsyncAttempt;
 import org.mvplugins.multiverse.core.utils.result.AsyncAttemptsAggregate;
 import org.mvplugins.multiverse.core.utils.result.Attempt;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -35,6 +37,7 @@ public final class AsyncSafetyTeleporterAction {
 
     private final @NotNull Either<Location, DestinationInstance<?, ?>> locationOrDestination;
     private boolean checkSafety;
+    private PassengerMode passengerMode = PassengerModes.DEFAULT;
     private @Nullable CommandSender teleporter = null;
 
     AsyncSafetyTeleporterAction(
@@ -58,18 +61,32 @@ public final class AsyncSafetyTeleporterAction {
      * Sets whether to check for safe location before teleport.
      *
      * @param checkSafety Whether to check for safe location
-     * @return A new {@link AsyncSafetyTeleporterAction} to be chained
+     * @return The same {@link AsyncSafetyTeleporterAction} to be chained
      */
     public AsyncSafetyTeleporterAction checkSafety(boolean checkSafety) {
         this.checkSafety = checkSafety;
         return this;
     }
 
+    /**
+     * Sets the passenger mode
+     *
+     * @param passengerMode The passenger mode
+     * @return The same {@link AsyncSafetyTeleporterAction} to be chained
+     * 
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public AsyncSafetyTeleporterAction passengerMode(@NotNull PassengerMode passengerMode) {
+        this.passengerMode = passengerMode;
+        return this;
+    }
+
     /**
      * Sets the teleporter.
      *
      * @param issuer The issuer
-     * @return A new {@link AsyncSafetyTeleporterAction} to be chained
+     * @return The same {@link AsyncSafetyTeleporterAction} to be chained
      */
     public AsyncSafetyTeleporterAction by(@NotNull BukkitCommandIssuer issuer) {
         return by(issuer.getIssuer());
@@ -79,7 +96,7 @@ public final class AsyncSafetyTeleporterAction {
      * Sets the teleporter.
      *
      * @param teleporter The teleporter
-     * @return A new {@link AsyncSafetyTeleporterAction} to be chained
+     * @return The same {@link AsyncSafetyTeleporterAction} to be chained
      */
     public AsyncSafetyTeleporterAction by(@NotNull CommandSender teleporter) {
         this.teleporter = teleporter;
@@ -94,7 +111,36 @@ public final class AsyncSafetyTeleporterAction {
      * @return A list of async futures that represent the teleportation result of each entity
      */
     public <T extends Entity> AsyncAttemptsAggregate<Void, TeleportFailureReason> teleport(@NotNull List<T> teleportees) {
-        return AsyncAttemptsAggregate.allOf(teleportees.stream().map(this::teleport).toList());
+        return AsyncAttemptsAggregate.allOfAggregate(teleportees.stream().map(this::teleportSingle).toList());
+    }
+
+    /**
+     * Teleports one parent entity. Multiple entities may be teleported depending on {@link #passengerMode(PassengerMode)}.
+     *
+     * @param teleportee The entity to teleport
+     * @return A list of async future that represents the teleportation result
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public AsyncAttemptsAggregate<Void, TeleportFailureReason> teleportSingle(@NotNull Entity teleportee) {
+        var localTeleporter = this.teleporter == null ? teleportee : this.teleporter;
+
+        return getLocation(teleportee).mapAttempt(this::doSafetyCheck)
+                .onSuccess(() -> {
+                    if (teleportee instanceof Player player) {
+                        this.teleportQueue.addToQueue(localTeleporter, player);
+                    }
+                })
+                .transform(
+                        location -> doAsyncTeleport(teleportee, location),
+                        failure -> AsyncAttemptsAggregate.allOf(AsyncAttempt.failure(failure))
+                )
+                .thenRun(() -> {
+                    if (teleportee instanceof Player player) {
+                        this.teleportQueue.popFromQueue(player.getName());
+                    }
+                });
     }
 
     /**
@@ -102,21 +148,14 @@ public final class AsyncSafetyTeleporterAction {
      *
      * @param teleportee The entity to teleport
      * @return An async future that represents the teleportation result
+     *
+     * @deprecated Use {@link #teleportSingle(Entity)} instead, as teleport of single entity may result in multiple
+     *             teleports due to vehicle and passengers based on {@link #passengerMode(PassengerMode)}.
      */
+    @Deprecated(forRemoval = true, since = "5.1")
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
     public AsyncAttempt<Void, TeleportFailureReason> teleport(@NotNull Entity teleportee) {
-        var localTeleporter = this.teleporter == null ? teleportee : this.teleporter;
-        return AsyncAttempt.fromAttempt(getLocation(teleportee).mapAttempt(this::doSafetyCheck))
-                .onSuccess(() -> {
-                    if (teleportee instanceof Player player) {
-                        this.teleportQueue.addToQueue(localTeleporter, player);
-                    }
-                })
-                .mapAsyncAttempt(location -> doAsyncTeleport(teleportee, location))
-                .thenRun(() -> {
-                    if (teleportee instanceof Player player) {
-                        this.teleportQueue.popFromQueue(player.getName());
-                    }
-                });
+        return teleportSingle(teleportee).getAttempts().get(0);
     }
 
     private Attempt<Location, TeleportFailureReason> getLocation(@NotNull Entity teleportee) {
@@ -160,9 +199,61 @@ public final class AsyncSafetyTeleporterAction {
         return Attempt.success(safeLocation);
     }
 
-    private AsyncAttempt<Void, TeleportFailureReason> doAsyncTeleport(
+    private AsyncAttemptsAggregate<Void, TeleportFailureReason> doAsyncTeleport(
             @NotNull Entity teleportee,
-            @NotNull Location location) {
+            @NotNull Location location
+    ) {
+        if (passengerMode.isDismountVehicle() && teleportee.isInsideVehicle()) {
+            Entity vehicle = teleportee.getVehicle();
+            if (vehicle != null) {
+                return doVehicleTeleport(teleportee, location, vehicle);
+            }
+        }
+
+        List<Entity> passengers = teleportee.getPassengers();
+        if (passengerMode.isDismountPassengers() && !passengers.isEmpty()) {
+            passengers.forEach(teleportee::removePassenger);
+            if (passengerMode.isPassengersFollow()) {
+                return doPassengersTeleport(teleportee, location, passengers);
+            }
+        }
+
+        return AsyncAttemptsAggregate.allOf(doSingleTeleport(teleportee, location));
+    }
+
+    private AsyncAttemptsAggregate<Void, TeleportFailureReason> doVehicleTeleport(
+            @NotNull Entity teleportee,
+            @NotNull Location location,
+            @NotNull Entity vehicle
+    ) {
+        if (passengerMode.isVehicleFollow()) {
+            return doPassengersTeleport(vehicle, location, vehicle.getPassengers());
+        }
+        teleportee.leaveVehicle();
+        return doAsyncTeleport(teleportee, location);
+    }
+
+    private AsyncAttemptsAggregate<Void, TeleportFailureReason> doPassengersTeleport(
+            @NotNull Entity teleportee,
+            @NotNull Location location,
+            @NotNull List<Entity> passengers
+    ) {
+        List<Entity> toTeleport = new ArrayList<>(passengers);
+        toTeleport.addFirst(teleportee);
+
+        return AsyncAttemptsAggregate.allOfAggregate(toTeleport.stream()
+                        .map(passenger -> doAsyncTeleport(passenger, location))
+                        .toList())
+                .onSuccess(() -> Bukkit.getScheduler().runTask(multiverseCore, () -> {
+                    passengers.forEach(teleportee::addPassenger);
+                    Logging.finer("Mounted %d passengers to %s", passengers.size(), teleportee.getName());
+                }));
+    }
+
+    private AsyncAttempt<Void, TeleportFailureReason> doSingleTeleport(
+            @NotNull Entity teleportee,
+            @NotNull Location location
+    ) {
         return AsyncAttempt.of(PaperLib.teleportAsync(teleportee, location), exception -> {
             Logging.warning("Failed to teleport %s to %s: %s",
                     teleportee.getName(), location, exception.getMessage());

src/main/java/org/mvplugins/multiverse/core/teleportation/BlockSafety.java

@@ -132,6 +132,10 @@ public final class BlockSafety {
      */
     public boolean canSpawnAtBlockSafely(@NotNull Block block) {
         Logging.finest("Checking spawn safety for location: %s, %s, %s", block.getX(), block.getY(), block.getZ());
+        if (!block.getWorld().getWorldBorder().isInside(block.getLocation())) {
+            Logging.finest("Location is outside world border.");
+            return false;
+        }
         if (isUnsafeSpawnBody(block)) {
             // Player body will be stuck in solid
             Logging.finest("Unsafe location for player's body: " + block);

src/main/java/org/mvplugins/multiverse/core/teleportation/LocationManipulation.java

@@ -228,8 +228,8 @@ public final class LocationManipulation {
         if (orientation == null) {
             return 0;
         }
-        if (ORIENTATION_INTS.containsKey(orientation.toLowerCase())) {
-            return ORIENTATION_INTS.get(orientation.toLowerCase());
+        if (ORIENTATION_INTS.containsKey(orientation.toLowerCase(Locale.ENGLISH))) {
+            return ORIENTATION_INTS.get(orientation.toLowerCase(Locale.ENGLISH));
         }
         return 0;
     }

src/main/java/org/mvplugins/multiverse/core/teleportation/PassengerMode.java

@@ -0,0 +1,60 @@
+package org.mvplugins.multiverse.core.teleportation;
+
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Defines how passengers and vehicles on an entity should be handled when the entity is teleported.
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public interface PassengerMode {
+    /**
+     * Defines whether the passengers should be removed from the parent entity when the parent entity is teleported.
+     * <br/>
+     * Teleports between worlds may fail if passengers are not removed.
+     *
+     * @return Whether the passengers should be removed
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    boolean isDismountPassengers();
+
+    /**
+     * Defines whether the passengers should follow the parent entity when the parent entity is teleported.
+     * <br/>
+     * This only applies of passengers are removed from the parent entity, i.e. {@link #isDismountPassengers()} is true.
+     *
+     * @return Whether the passengers should follow
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    boolean isPassengersFollow();
+
+    /**
+     * Defines whether the entity should dismount from the vehicle when the entity is teleported.
+     * <br/>
+     * Teleport between worlds may fail if entity is not dismounted.
+     *
+     * @return Whether the entity should dismount
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    boolean isDismountVehicle();
+
+    /**
+     * Defines whether the vehicle and other passengers on it should follow the target entity on the vehicle when
+     * the target entity is teleported.
+     * <br/>
+     * This only applies if the entity is dismounted from the vehicle, i.e. {@link #isDismountVehicle()} is true.
+     *
+     * @return Whether the vehicle should follow
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    boolean isVehicleFollow();
+}

src/main/java/org/mvplugins/multiverse/core/teleportation/PassengerModes.java

@@ -0,0 +1,114 @@
+package org.mvplugins.multiverse.core.teleportation;
+
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Enum shorthands for {@link PassengerMode} to define common passenger modes configurations.
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public enum PassengerModes implements PassengerMode {
+    /**
+     * All passengers and vehicles are handled by the server. This usually means that entities with passengers
+     * or in vehicles will not be able to teleport to a different world until they manually dismount.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    DEFAULT(false, false, false, false),
+
+    /**
+     * All passengers will be removed from the parent entity before the teleport. Passengers will be left behind.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    DISMOUNT_PASSENGERS(true, false, false, false),
+
+    /**
+     * Parent entity will be dismounted from the vehicle before the teleport. Vehicle will be left behind.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    DISMOUNT_VEHICLE(true, false, true, false),
+
+    /**
+     * All passengers and vehicles will be removed from the parent entity before the teleport. Passengers and vehicles
+     * will be left behind.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    DISMOUNT_ALL(true, false, true, false),
+
+    /**
+     * All passengers will teleport together with the parent entity.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    RETAIN_PASSENGERS(true, true, false, false),
+
+    /**
+     * All vehicles will teleport together with the parent entity.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    RETAIN_VEHICLE(false, false, true, true),
+
+    /**
+     * All passengers and vehicles will teleport together with the parent entity.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    RETAIN_ALL(true, true, true, true),
+    ;
+
+    private final boolean dismountPassengers;
+    private final boolean passengersFollow;
+    private final boolean dismountVehicle;
+    private final boolean vehicleFollow;
+
+    PassengerModes(boolean dismountPassengers, boolean mountPassengers, boolean dismountVehicle, boolean mountVehicle) {
+        this.dismountPassengers = dismountPassengers;
+        this.passengersFollow = mountPassengers;
+        this.dismountVehicle = dismountVehicle;
+        this.vehicleFollow = mountVehicle;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isDismountPassengers() {
+        return dismountPassengers;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isPassengersFollow() {
+        return passengersFollow;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isDismountVehicle() {
+        return dismountVehicle;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isVehicleFollow() {
+        return vehicleFollow;
+    }
+}

src/main/java/org/mvplugins/multiverse/core/utils/CaseInsensitiveStringMap.java

@@ -0,0 +1,92 @@
+package org.mvplugins.multiverse.core.utils;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NonNull;
+import org.jspecify.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A map with case-insensitive String keys. All keys are stored in lower-case form.
+ *
+ * @param <T> the type of mapped values
+ *
+ * @since 5.5
+ */
+@ApiStatus.AvailableSince("5.5")
+public class CaseInsensitiveStringMap<T> implements Map<String, T> {
+
+    private final Map<String, T> map;
+
+    public CaseInsensitiveStringMap() {
+        map = new HashMap<>();
+    }
+
+    @Override
+    public int size() {
+        return map.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return map.isEmpty();
+    }
+
+    @Override
+    public boolean containsKey(Object key) {
+        return map.containsKey(normalizeKey(key));
+    }
+
+    @Override
+    public boolean containsValue(Object value) {
+        return map.containsValue(value);
+    }
+
+    @Override
+    public T get(Object key) {
+        return map.get(normalizeKey(key));
+    }
+
+    @Override
+    public @Nullable T put(String key, T value) {
+        return map.put(normalizeKey(key), value);
+    }
+
+    @Override
+    public T remove(Object key) {
+        return map.remove(normalizeKey(key));
+    }
+
+    @Override
+    public void putAll(@NonNull Map<? extends String, ? extends T> m) {
+        m.forEach((key, value) -> map.put(normalizeKey(key), value));
+    }
+
+    @Override
+    public void clear() {
+        map.clear();
+    }
+
+    @Override
+    public @NonNull Set<String> keySet() {
+        return map.keySet();
+    }
+
+    @Override
+    public @NonNull Collection<T> values() {
+        return map.values();
+    }
+
+    @Override
+    public @NonNull Set<Entry<String, T>> entrySet() {
+        return map.entrySet();
+    }
+
+    private String normalizeKey(Object key) {
+        return String.valueOf(key).toLowerCase(Locale.ROOT);
+    }
+}

src/main/java/org/mvplugins/multiverse/core/utils/FileUtils.java

@@ -18,6 +18,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import com.dumptruckman.minecraft.util.Logging;
@@ -25,6 +26,7 @@ import io.vavr.control.Try;
 import jakarta.inject.Inject;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NonNull;
 import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.config.CoreConfig;
 
@@ -77,7 +79,7 @@ public final class FileUtils {
      */
     public @Nullable File getServerProperties() {
         if (this.serverProperties == null) {
-            this.serverProperties = findFileFromServerDirectory("server.properties");
+            this.serverProperties = findFileFromServerDirectory(config.getServerPropertiesPath());
             Logging.finer("server.properties: %s", this.serverProperties);
         }
         return this.serverProperties;
@@ -210,16 +212,19 @@ public final class FileUtils {
 
         private final Path sourceDir;
         private final Path targetDir;
-        private final List<String> excludeFiles;
+        private final List<Path> excludeFiles;
 
         private CopyDirFileVisitor(@NotNull Path sourceDir, @NotNull Path targetDir, @NotNull List<String> excludeFiles) {
             this.sourceDir = sourceDir;
             this.targetDir = targetDir;
-            this.excludeFiles = excludeFiles;
+            this.excludeFiles = excludeFiles.stream()
+                    .map(sourceDir::resolve)
+                    .toList();
+            Logging.finest(this.excludeFiles.stream().map(Path::toString).collect(Collectors.joining(", ", "Exclude files: [", "]")));
         }
 
         @Override
-        public @NotNull FileVisitResult preVisitDirectory(Path dir, @NotNull BasicFileAttributes attrs) throws IOException {
+        public @NotNull FileVisitResult preVisitDirectory(@NonNull Path dir, @NotNull BasicFileAttributes attrs) throws IOException {
             Path newDir = targetDir.resolve(sourceDir.relativize(dir));
             if (!Files.isDirectory(newDir)) {
                 Files.createDirectory(newDir);
@@ -228,10 +233,10 @@ public final class FileUtils {
         }
 
         @Override
-        public @NotNull FileVisitResult visitFile(Path file, @NotNull BasicFileAttributes attrs) throws IOException {
+        public @NotNull FileVisitResult visitFile(@NonNull Path file, @NotNull BasicFileAttributes attrs) throws IOException {
             // Pass files that are set to ignore
-            if (excludeFiles.contains(file.getFileName().toString())) {
-                Logging.finest("Ignoring file: " + file.getFileName());
+            if (excludeFiles.contains(file)) {
+                Logging.finest("Ignoring file: " + file);
                 return FileVisitResult.CONTINUE;
             }
             // Copy the files

src/main/java/org/mvplugins/multiverse/core/utils/MinecraftTimeFormatter.java

@@ -0,0 +1,73 @@
+package org.mvplugins.multiverse.core.utils;
+
+import io.vavr.control.Try;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Utility class for formatting Minecraft time to real-world time format.
+ *
+ * @since 5.1
+ */
+@ApiStatus.AvailableSince("5.1")
+public final class MinecraftTimeFormatter {
+
+    private static final double TIME_MULTIPLIER = 3.6;
+    private static final long DAY_SECONDS = 24 * 60 * 60;
+    private static final long START_OFFSET = 6 * 60 * 60;
+
+    /**
+     * Formats Minecraft time to 12-hour format.
+     *
+     * @param time The Minecraft time to format.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public static String format12h(long time) {
+        return formatTime(time, "hh:mm a");
+    }
+
+    /**
+     * Formats Minecraft time to 24-hour format.
+     *
+     * @param time The Minecraft time to format.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public static String format24h(long time) {
+        return formatTime(time, "HH:mm");
+    }
+
+    /**
+     * Formats Minecraft time to the specified format.
+     * See <a href="https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html">DateTimeFormatter documentation</a>
+     * for available patterns.
+     *
+     * @param time   The Minecraft time to format.
+     * @param format The format string for the time.
+     *
+     * @since 5.1
+     */
+    @ApiStatus.AvailableSince("5.1")
+    public static String formatTime(long time, String format) {
+        // Convert Minecraft time to real-world time
+        long realTime = (long) ((time * TIME_MULTIPLIER) + START_OFFSET) % DAY_SECONDS;  // Minecraft ticks to seconds
+
+        // Convert seconds to LocalTime
+        LocalTime localTime = LocalTime.ofSecondOfDay(realTime);
+
+        return Try.of(() -> DateTimeFormatter.ofPattern(format))
+                .map(localTime::format)
+                .getOrElse("invalid time format: " + format);
+    }
+
+    private MinecraftTimeFormatter() {
+        // No instantiation
+        throw new UnsupportedOperationException();
+    }
+}

src/main/java/org/mvplugins/multiverse/core/utils/PlayerFinder.java

@@ -1,16 +1,18 @@
 package org.mvplugins.multiverse.core.utils;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import com.dumptruckman.minecraft.util.Logging;
 import com.google.common.base.Strings;
+import io.vavr.control.Try;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -76,22 +78,33 @@ public final class PlayerFinder {
     public static @NotNull List<Player> getMulti(@Nullable String playerIdentifiers,
                                                  @NotNull CommandSender sender
     ) {
-        List<Player> playerResults = new ArrayList<>();
+        return tryGetMulti(playerIdentifiers, sender)
+                .getOrElse(Collections.emptyList());
+    }
 
+    /**
+     * Get multiple {@link Player} based on many identifiers of name UUID or selector.
+     *
+     * @param playerIdentifiers An identifier of multiple names, UUIDs or selectors, separated by comma.
+     * @param sender            Target sender for selector.
+     * @return A list of all the {@link Player} found.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    public static @NotNull Try<@NotNull List<Player>> tryGetMulti(@Nullable String playerIdentifiers,
+                                                                   @NotNull CommandSender sender
+    ) {
         if (playerIdentifiers == null || Strings.isNullOrEmpty(playerIdentifiers)) {
-            return playerResults;
+            return Try.success(Collections.emptyList());
         }
 
         // TODO: Currently just assume entire string is a selector. Add support for comma seperated mixture of names, uuids and selectors
         if (isSelector(playerIdentifiers)) {
-            Logging.finer("Using selector: %s", playerIdentifiers);
-            List<Player> targetPlayers = getMultiBySelector(playerIdentifiers, sender);
-            if (targetPlayers != null) {
-                playerResults.addAll(targetPlayers);
-            }
-            return playerResults;
+            return tryGetMultiBySelector(playerIdentifiers, sender);
         }
 
+        List<Player> playerResults = new ArrayList<>();
         String[] playerIdentifierArray = REPatterns.COMMA.split(playerIdentifiers);
         for (String playerIdentifier : playerIdentifierArray) {
             Player targetPlayer = getByName(playerIdentifier);
@@ -104,15 +117,25 @@ public final class PlayerFinder {
                 playerResults.add(targetPlayer);
                 continue;
             }
-            List<Player> targetPlayers = getMultiBySelector(playerIdentifier, sender);
-            if (targetPlayers != null) {
-                playerResults.addAll(targetPlayers);
+            Try<@NotNull List<Player>> selectorParseResult = tryGetMultiBySelector(playerIdentifier, sender);
+            if  (selectorParseResult.isFailure()) {
+                return Try.failure(selectorParseResult.getCause());
             }
+            playerResults.addAll(selectorParseResult.getOrElse(Collections.emptyList()));
         }
-        return playerResults;
+        return Try.success(playerResults);
     }
 
-    private static boolean isSelector(@NotNull String playerIdentifier) {
+    /**
+     * Check if the player identifier is a selector.
+     *
+     * @param playerIdentifier  An identifier of name, UUID or selector.
+     * @return True if the identifier is a selector, else false.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    public static boolean isSelector(@NotNull String playerIdentifier) {
         return VANILLA_SELECTORS.stream().anyMatch(playerIdentifier::startsWith);
     }
 
@@ -167,7 +190,7 @@ public final class PlayerFinder {
                                                  @NotNull CommandSender sender
     ) {
         List<Player> matchedPlayers = getMultiBySelector(playerSelector, sender);
-        if (matchedPlayers == null || matchedPlayers.isEmpty()) {
+        if (matchedPlayers.isEmpty()) {
             Logging.fine("No player found with selector '%s' for %s.", playerSelector, sender.getName());
             return null;
         }
@@ -186,22 +209,36 @@ public final class PlayerFinder {
      * @param sender            Target sender for selector.
      * @return A list of all the {@link Player} found.
      */
-    public static @Nullable List<Player> getMultiBySelector(@NotNull String playerSelector,
+    public static @NotNull List<Player> getMultiBySelector(@NotNull String playerSelector,
                                                             @NotNull CommandSender sender
+    ) {
+        return tryGetMultiBySelector(playerSelector, sender)
+                .onFailure(throwable -> Logging.warning(
+                        "Error selecting entities with selector '%s' for %s: %s",
+                        playerSelector, sender.getName(), throwable.getMessage()
+                ))
+                .getOrElse(Collections::emptyList);
+    }
+
+    /**
+     * Get multiple {@link Player} based on <a href="https://minecraft.gamepedia.com/Commands#Target_selectors">vanilla selectors</a>.
+     *
+     * @param playerSelector    A target selector, usually starts with an '@'.
+     * @param sender            Target sender for selector.
+     * @return A list of all the {@link Player} found.
+     *
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    public static @NotNull Try<@NotNull List<Player>> tryGetMultiBySelector(@NotNull String playerSelector,
+                                                                            @NotNull CommandSender sender
     ) {
         if (playerSelector.charAt(0) != '@') {
-            return null;
-        }
-        try {
-            return Bukkit.selectEntities(sender, playerSelector).stream()
-                    .filter(e -> e instanceof Player)
-                    .map(e -> ((Player) e))
-                    .collect(Collectors.toList());
-        } catch (IllegalArgumentException e) {
-            Logging.warning("An error occurred while parsing selector '%s' for %s. Is it is the correct format?",
-                    playerSelector, sender.getName());
-            e.printStackTrace();
-            return null;
+            return Try.success(Collections.emptyList());
         }
+        return Try.of(() -> Bukkit.selectEntities(sender, playerSelector).stream()
+                .filter(e -> e instanceof Player)
+                .map(e -> ((Player) e))
+                .collect(Collectors.toList()));
     }
 }

src/main/java/org/mvplugins/multiverse/core/utils/REPatterns.java

@@ -1,5 +1,7 @@
 package org.mvplugins.multiverse.core.utils;
 
+import org.jetbrains.annotations.ApiStatus;
+
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Pattern;
@@ -16,7 +18,17 @@ public class REPatterns {
     public static final Pattern COMMA = get(",");
     public static final Pattern DOT = get("\\.");
     public static final Pattern EQUALS = get("=");
+    @ApiStatus.AvailableSince("5.4")
+    public static final Pattern HYPHEN = get("-");
+    @ApiStatus.AvailableSince("5.4")
+    public static final Pattern NAMESPACE = get("^[a-z0-9_.-]+$");
+    @ApiStatus.AvailableSince("5.4")
+    public static final Pattern NAMESPACE_KEY = get("^[a-z0-9/_.-]+$");
     public static final Pattern SEMICOLON = get(";");
+    @ApiStatus.AvailableSince("5.4")
+    public static final Pattern SPACE = get(" ");
     public static final Pattern UNDERSCORE = get("_");
     public static final Pattern UUID = get("[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}");
+    @ApiStatus.AvailableSince("5.4")
+    public static final Pattern YAML_KEY = get("^[a-zA-Z0-9\\[\\]_-]+$");
 }

src/main/java/org/mvplugins/multiverse/core/utils/StringFormatter.java

@@ -2,13 +2,17 @@ package org.mvplugins.multiverse.core.utils;
 
 import com.google.common.base.Strings;
 import com.google.common.collect.Sets;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Unmodifiable;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -30,15 +34,15 @@ public final class StringFormatter {
      * @param list the list of strings to join. If the list is empty, an empty string is returned.
      * @return the concatenated string
      */
-    public static @NotNull String joinAnd(List<String> list) {
+    public static @NotNull String joinAnd(@Nullable List<String> list) {
         return join(list, ", ", " and ");
     }
 
-    public static @NotNull String join(Collection list, String separator) {
+    public static @NotNull String join(@Nullable Collection<?> list, @NotNull String separator) {
         if (list == null || list.isEmpty()) {
             return "";
         }
-        return list.stream().map(String::valueOf).collect(Collectors.joining(separator)).toString();
+        return list.stream().map(String::valueOf).collect(Collectors.joining(separator));
     }
 
     /**
@@ -50,7 +54,7 @@ public final class StringFormatter {
      * @param lastSeparator the separator to use before the last element. For example, " and ".
      * @return the concatenated string
      */
-    public static @NotNull String join(List<String> list, String separator, String lastSeparator) {
+    public static @NotNull String join(@Nullable List<String> list, @NotNull String separator, @NotNull String lastSeparator) {
         if (list == null || list.isEmpty()) {
             return "";
         }
@@ -71,11 +75,30 @@ public final class StringFormatter {
 
     /**
      * Appends a list of suggestions to the end of the input string, separated by commas.
+     *
      * @param input     The current input
      * @param addons    The autocomplete suggestions
      * @return A collection of suggestions with the next suggestion appended
+     *
+     * @deprecated Method name has a spelling error. Use {@link #addOnToCommaSeparated(String, Collection)} instead.
      */
+    @Deprecated(forRemoval = true, since = "5.5")
+    @ApiStatus.ScheduledForRemoval(inVersion = "6.0")
     public static Collection<String> addonToCommaSeperated(@Nullable String input, @NotNull Collection<String> addons) {
+        return addOnToCommaSeparated(input, addons);
+    }
+
+    /**
+     * Appends a list of suggestions to the end of the input string, separated by commas.
+     *
+     * @param input     The current input
+     * @param addons    The autocomplete suggestions
+     * @return A collection of suggestions with the next suggestion appended
+     *
+     * @since 5.5
+     */
+    @ApiStatus.AvailableSince("5.5")
+    public static Collection<String> addOnToCommaSeparated(@Nullable String input, @NotNull Collection<String> addons) {
         if (Strings.isNullOrEmpty(input)) {
             return addons;
         }
@@ -94,7 +117,7 @@ public final class StringFormatter {
      * @param args  The args to parse
      * @return The parsed args
      */
-    public static Collection<String> parseQuotesInArgs(String[] args) {
+    public static @NotNull Collection<String> parseQuotesInArgs(@NotNull String[] args) {
         List<String> result = new ArrayList<>(args.length);
         StringBuilder current = new StringBuilder();
         boolean inQuotes = false;
@@ -139,7 +162,28 @@ public final class StringFormatter {
      * @param input The string to add quotes to
      * @return The quoted string
      */
-    public static String quoteMultiWordString(String input) {
-        return input.contains(" ") ? "\"" + input + "\"" : input;
+    @Contract("null -> null")
+    public static @Nullable String quoteMultiWordString(@Nullable String input) {
+        return input != null && input.contains(" ") ? "\"" + input + "\"" : input;
+    }
+
+    /**
+     * Parses a CSV string of key=value pairs into a map.
+     * E.g. "key1=value1,key2=value2" -> {key1=value1, key2=value2}
+     *
+     * @param input The CSV string to parse
+     * @return The parsed map
+     *
+     * @since 5.5
+     */
+    @ApiStatus.AvailableSince("5.5")
+    public static @Unmodifiable Map<String, String> parseCSVMap(@Nullable String input) {
+        if (Strings.isNullOrEmpty(input)) {
+            return Map.of();
+        }
+        return REPatterns.COMMA.splitAsStream(input)
+                .map(s -> REPatterns.EQUALS.split(s, 2))
+                .filter(parts -> parts.length == 2)
+                .collect(Collectors.toUnmodifiableMap(parts -> parts[0], parts -> parts[1]));
     }
 }

src/main/java/org/mvplugins/multiverse/core/utils/compatibility/BukkitCompatibility.java

@@ -0,0 +1,91 @@
+package org.mvplugins.multiverse.core.utils.compatibility;
+
+import io.vavr.control.Option;
+import org.bukkit.Bukkit;
+import org.bukkit.NamespacedKey;
+import org.bukkit.Server;
+import org.bukkit.World;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.mvplugins.multiverse.core.utils.ReflectHelper;
+
+import java.lang.reflect.Method;
+import java.nio.file.Path;
+
+/**
+ * Compatibility class used to handle API changes in {@link Bukkit} class.
+ *
+ * @since 5.6
+ */
+@ApiStatus.AvailableSince("5.6")
+public final class BukkitCompatibility {
+
+    private static final Option<Method> GET_LEVEL_DIRECTORY_METHOD;
+    private static final Option<Method> GET_WORLD_NAMESPACED_KEY_METHOD;
+
+    static {
+        GET_LEVEL_DIRECTORY_METHOD = Option.of(ReflectHelper.getMethod(Server.class, "getLevelDirectory"));
+        GET_WORLD_NAMESPACED_KEY_METHOD = Option.of(ReflectHelper.getMethod(Bukkit.class, "getWorld", NamespacedKey.class));
+    }
+
+    /**
+     * Check whether the server is using the new dimension storage system introduced in PaperMC 26.1.
+     * <br />
+     * This is based of whether getLevelDirectory method exists in the server class,which is the main API change for
+     * the new dimension storage system.
+     *
+     * @return True if the server is using the new dimension storage system, else false.
+     *
+     * @since 5.6
+     */
+    @ApiStatus.AvailableSince("5.6")
+    public static boolean isUsingNewDimensionStorage() {
+        return GET_LEVEL_DIRECTORY_METHOD
+                .flatMap(method -> Option.of(ReflectHelper.invokeMethod(Bukkit.getServer(), method)))
+                .isDefined();
+    }
+
+    /**
+     * Gets the folder where all the worlds will be store. Before 26.1, all worlds are stored in the root directory
+     * of the server, which can be obtained by {@link Server#getWorldContainer()}.
+     * <br />
+     * After 26.1, PaperMC changed all worlds are stored in the "[level]/dimensions/minecraft" folder under the world
+     * level directory, which needs to be manually parsed.
+     *
+     * @return The location where all the worlds folders should be, depending on server's mc version.
+     *
+     * @since 5.6
+     */
+    @ApiStatus.AvailableSince("5.6")
+    @NotNull
+    public static Path getWorldFoldersDirectory() {
+        Server server = Bukkit.getServer();
+        return GET_LEVEL_DIRECTORY_METHOD.map(method -> ReflectHelper.invokeMethod(server, method))
+                .filter(Path.class::isInstance)
+                .map(Path.class::cast)
+                .map(path -> path.resolve("dimensions/minecraft"))
+                .getOrElse(() -> server.getWorldContainer().toPath());
+    }
+
+    /**
+     * Check if the world with the given name or namespaced key (e.g. minecraft:overworld) exists,
+     * and return it if it does.
+     * <br />
+     * Note that some default world names have different namespaced key matched with them.
+     * E.g.: world -> minecraft:overworld, world_nether -> minecraft:the_nether, world_the_end -> minecraft:the_end.
+     *
+     * @param nameOrKey Either a name or namespaced key string representation.
+     * @return The world if it exists
+     *
+     * @since 5.6
+     */
+    @ApiStatus.AvailableSince("5.6")
+    @NotNull
+    public static Option<World> getWorldByNameOrKey(@NotNull String nameOrKey) {
+        return Option.of(Bukkit.getWorld(nameOrKey))
+                .orElse(() -> GET_WORLD_NAMESPACED_KEY_METHOD
+                        .map(method -> ReflectHelper.invokeMethod(null, method, NamespacedKey.fromString(nameOrKey)))
+                        .filter(World.class::isInstance)
+                        .map(World.class::cast));
+    }
+}

src/main/java/org/mvplugins/multiverse/core/utils/compatibility/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Contains classes to handle compatibility due to differing API methods across different server versions and the
+ * API gaps between PaperMC and Spigot.
+ */
+package org.mvplugins.multiverse.core.utils.compatibility;