4.1.9

Get skin from profile properties by property name

.github/workflows/build.yml

@@ -2,7 +2,7 @@ name: Build
 on:
   push:
     branches:
-      - master
+      - v5
 jobs:
   build:
     name: Build

api/src/main/java/me/neznamy/tab/api/TabAPI.java

@@ -1,5 +1,6 @@
 package me.neznamy.tab.api;
 
+import java.util.Collection;
 import java.util.UUID;
 
 import lombok.NonNull;
@@ -67,8 +68,17 @@ public abstract class TabAPI {
      *
      * @return  collection of online players
      */
+    @Deprecated
     public abstract @NotNull TabPlayer[] getOnlinePlayers();
 
+
+    /**
+     * Returns a stream of all online players
+     *
+     * @return  stream of online players
+     */
+    public abstract @NotNull Collection<? extends TabPlayer> onlinePlayers();
+
     /**
      * Return BossBar manager instance if the feature is enabled. If not, returns {@code null}.
      *

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 
 allprojects {
     group = "me.neznamy"
-    version = "4.1.5-SNAPSHOT"
+    version = "4.1.9"
     description = "An all-in-one solution that works"
 
     ext.set("id", "tab")

bukkit/build.gradle.kts

@@ -2,7 +2,7 @@ dependencies {
     implementation(projects.shared)
     implementation("org.bstats:bstats-bukkit:3.0.1")
     compileOnly("org.purpurmc.purpur:purpur-api:1.16.5-R0.1-SNAPSHOT")
-    compileOnly("me.clip:placeholderapi:2.11.2")
+    compileOnly("me.clip:placeholderapi:2.11.6")
     compileOnly("com.mojang:authlib:1.5.25")
     compileOnly("com.github.MilkBowl:VaultAPI:1.7") {
         exclude("org.bukkit", "bukkit")

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/features/BukkitTabExpansion.java

@@ -97,7 +97,7 @@ public class BukkitTabExpansion extends PlaceholderExpansion implements TabExpan
         }
         if (player == null) return "<Player cannot be null>";
         TabPlayer p = TAB.getInstance().getPlayer(player.getUniqueId());
-        if (p == null || !p.isLoaded()) return "<Player is not loaded>";
+        if (p == null) return "<Player is not loaded>";
         return p.expansionValues.values.get(identifier);
     }
 

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/nms/ComponentConverter.java

@@ -29,8 +29,8 @@ public class ComponentConverter {
     private final FunctionWithException<String, Object> newTextComponent;
     private final BiFunction<ChatModifier, Boolean, Object> convertModifier;
 
-    private final Class<?> ChatModifier = BukkitReflection.getClass("network.chat.ChatModifier", "ChatModifier");
-    private final Class<Enum> EnumChatFormat = (Class<Enum>) BukkitReflection.getClass("EnumChatFormat");
+    private final Class<?> ChatModifier = BukkitReflection.getClass("network.chat.Style", "network.chat.ChatModifier", "ChatModifier");
+    private final Class<Enum> EnumChatFormat = (Class<Enum>) BukkitReflection.getClass("ChatFormatting", "EnumChatFormat");
     private final Constructor<?> newChatModifier;
     private final Method ChatBaseComponent_addSibling;
     private final Field Component_modifier;
@@ -41,7 +41,7 @@ public class ComponentConverter {
 
     // 1.16+
     private Method ChatHexColor_fromRGB;
-    private Constructor<?> newMinecraftKey;
+    private Method ResourceLocation_tryParse;
 
     /**
      * Constructs new instance and loads all NMS classes, constructors and methods.
@@ -50,30 +50,30 @@ public class ComponentConverter {
      *          If something failed
      */
     private ComponentConverter() throws ReflectiveOperationException {
-        Class<?> IChatBaseComponent = BukkitReflection.getClass("network.chat.IChatBaseComponent", "IChatBaseComponent");
+        Class<?> IChatBaseComponent = BukkitReflection.getClass("network.chat.Component", "network.chat.IChatBaseComponent", "IChatBaseComponent");
         if (BukkitReflection.getMinorVersion() >= 19) {
             Method IChatBaseComponent_b = ReflectionUtils.getMethod(IChatBaseComponent, new String[] {"b", "literal"}, String.class);
             newTextComponent = text -> IChatBaseComponent_b.invoke(null, text);
-            Class<?> IChatMutableComponent = BukkitReflection.getClass("network.chat.IChatMutableComponent", "IChatMutableComponent");
+            Class<?> IChatMutableComponent = BukkitReflection.getClass("network.chat.MutableComponent", "network.chat.IChatMutableComponent", "IChatMutableComponent");
             Component_modifier = ReflectionUtils.getOnlyField(IChatMutableComponent, ChatModifier);
             ChatBaseComponent_addSibling = ReflectionUtils.getOnlyMethod(IChatMutableComponent, IChatMutableComponent, IChatBaseComponent);
         } else {
-            Class<?> ChatComponentText = BukkitReflection.getClass("network.chat.ChatComponentText", "ChatComponentText");
+            Class<?> ChatComponentText = BukkitReflection.getClass("network.chat.TextComponent", "network.chat.ChatComponentText", "ChatComponentText");
             Constructor<?> newChatComponentText = ChatComponentText.getConstructor(String.class);
             newTextComponent = newChatComponentText::newInstance;
-            Class<?> ChatBaseComponent = BukkitReflection.getClass("network.chat.ChatBaseComponent", "ChatBaseComponent");
+            Class<?> ChatBaseComponent = BukkitReflection.getClass("network.chat.BaseComponent", "network.chat.ChatBaseComponent", "ChatBaseComponent");
             Component_modifier = ReflectionUtils.getOnlyField(ChatBaseComponent, ChatModifier);
             ChatBaseComponent_addSibling = ReflectionUtils.getOnlyMethod(ChatComponentText, IChatBaseComponent, IChatBaseComponent);
         }
         if (BukkitReflection.getMinorVersion() >= 16) {
-            Class<?> chatHexColor = BukkitReflection.getClass("network.chat.ChatHexColor", "ChatHexColor");
-            Class<?> MinecraftKey = BukkitReflection.getClass("resources.MinecraftKey", "MinecraftKey");
-            Class<?> chatClickable = BukkitReflection.getClass("network.chat.ChatClickable", "ChatClickable");
-            Class<?> chatHoverable = BukkitReflection.getClass("network.chat.ChatHoverable", "ChatHoverable");
-            newMinecraftKey = MinecraftKey.getConstructor(String.class);
-            ChatHexColor_fromRGB = ReflectionUtils.getOnlyMethod(chatHexColor, chatHexColor, int.class);
+            Class<?> chatHexColor = BukkitReflection.getClass("network.chat.TextColor", "network.chat.ChatHexColor", "ChatHexColor");
+            Class<?> ResourceLocation = BukkitReflection.getClass("resources.ResourceLocation", "resources.MinecraftKey", "MinecraftKey");
+            Class<?> chatClickable = BukkitReflection.getClass("network.chat.ClickEvent", "network.chat.ChatClickable", "ChatClickable");
+            Class<?> chatHoverable = BukkitReflection.getClass("network.chat.HoverEvent", "network.chat.ChatHoverable", "ChatHoverable");
+            ResourceLocation_tryParse = ReflectionUtils.getMethod(ResourceLocation, new String[]{"tryParse", "m_135820_", "a"}, String.class);
+            ChatHexColor_fromRGB = ReflectionUtils.getMethods(chatHexColor, chatHexColor, int.class).get(0); // There should only be 1, but some mods add more
             newChatModifier = ReflectionUtils.setAccessible(ChatModifier.getDeclaredConstructor(chatHexColor, Boolean.class, Boolean.class, Boolean.class,
-                    Boolean.class, Boolean.class, chatClickable, chatHoverable, String.class, MinecraftKey));
+                    Boolean.class, Boolean.class, chatClickable, chatHoverable, String.class, ResourceLocation));
             convertModifier = this::createModifierModern;
         } else {
             newChatModifier = ChatModifier.getConstructor();
@@ -124,7 +124,7 @@ public class ComponentConverter {
                 null,
                 null,
                 null,
-                modifier.getFont() == null ? null : newMinecraftKey.newInstance(modifier.getFont())
+                modifier.getFont() == null ? null : ResourceLocation_tryParse.invoke(null, modifier.getFont())
         );
     }
 

bukkit/src/main/java/me/neznamy/tab/platforms/bukkit/scoreboard/packet/TeamPacketData.java

@@ -16,6 +16,8 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * Class storing all team related fields and methods.
@@ -70,7 +72,12 @@ public class TeamPacketData {
         emptyScoreboard = Scoreboard.getConstructor().newInstance();
         newScoreboardTeam = scoreboardTeam.getConstructor(Scoreboard, String.class);
         TeamPacket_NAME = ReflectionUtils.getFields(TeamPacketClass, String.class).get(0);
-        TeamPacket_ACTION = ReflectionUtils.getInstanceFields(TeamPacketClass, int.class).get(0);
+        List<Field> intFields = ReflectionUtils.getInstanceFields(TeamPacketClass, int.class);
+        if (minorVersion >= 8 && minorVersion <= 12) {
+            TeamPacket_ACTION = intFields.get(1);
+        } else {
+            TeamPacket_ACTION = intFields.get(0);
+        }
         TeamPacket_PLAYERS = ReflectionUtils.getOnlyField(TeamPacketClass, Collection.class);
         ScoreboardTeam_getPlayerNameSet = ReflectionUtils.getOnlyMethod(scoreboardTeam, Collection.class);
         chatFormats = (Enum<?>[]) enumChatFormatClass.getMethod("values").invoke(null);
@@ -302,8 +309,9 @@ public class TeamPacketData {
     public void onPacketSend(@NonNull TabPlayer player, @NonNull Object packet) {
         if (!TeamPacketClass.isInstance(packet)) return;
         int action = TeamPacket_ACTION.getInt(packet);
-        if (action == TeamAction.REMOVE || action == TeamAction.UPDATE) return;
-        TeamPacket_PLAYERS.set(packet, player.getScoreboard().onTeamPacket(
-                action, (String) TeamPacket_NAME.get(packet), (Collection<String>) TeamPacket_PLAYERS.get(packet)));
+        if (action == TeamAction.UPDATE) return;
+        Collection<String> players = (Collection<String>) TeamPacket_PLAYERS.get(packet);
+        if (players == null) players = Collections.emptyList();
+        TeamPacket_PLAYERS.set(packet, player.getScoreboard().onTeamPacket(action, (String) TeamPacket_NAME.get(packet), players));
     }
 }

bungeecord/build.gradle.kts

@@ -1,7 +1,7 @@
 dependencies {
     implementation(projects.shared)
     implementation("org.bstats:bstats-bungeecord:3.0.1")
-    compileOnly("net.md-5:bungeecord-proxy:1.20-R0.2-SNAPSHOT")
+    compileOnly("net.md-5:bungeecord-proxy:1.20-R0.3-SNAPSHOT")
     compileOnly("com.github.limework.redisbungee:RedisBungee-Bungee:0.11.0")
     compileOnly("com.github.LeonMangler:PremiumVanishAPI:2.8.8")
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeBossBar.java

@@ -29,10 +29,12 @@ public class BungeeBossBar implements BossBar {
     @NotNull
     private final Map<UUID, Integer> styles = new HashMap<>();
 
+    /** Flag tracking whether boss bars should be frozen or not */
+    private boolean frozen;
+
     @Override
     public void create(@NotNull UUID id, @NotNull String title, float progress, @NotNull BarColor color, @NotNull BarStyle style) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         net.md_5.bungee.protocol.packet.BossBar packet = new net.md_5.bungee.protocol.packet.BossBar(id, 0);
         packet.setHealth(progress);
         packet.setTitle(TabComponent.optimized(title).convert(player.getVersion()));
@@ -46,8 +48,7 @@ public class BungeeBossBar implements BossBar {
 
     @Override
     public void update(@NotNull UUID id, @NotNull String title) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         net.md_5.bungee.protocol.packet.BossBar packet = new net.md_5.bungee.protocol.packet.BossBar(id, 3);
         packet.setTitle(TabComponent.optimized(title).convert(player.getVersion()));
         player.sendPacket(packet);
@@ -55,8 +56,7 @@ public class BungeeBossBar implements BossBar {
 
     @Override
     public void update(@NotNull UUID id, float progress) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         net.md_5.bungee.protocol.packet.BossBar packet = new net.md_5.bungee.protocol.packet.BossBar(id, 2);
         packet.setHealth(progress);
         player.sendPacket(packet);
@@ -64,8 +64,7 @@ public class BungeeBossBar implements BossBar {
 
     @Override
     public void update(@NotNull UUID id, @NotNull BarStyle style) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         net.md_5.bungee.protocol.packet.BossBar packet = new net.md_5.bungee.protocol.packet.BossBar(id, 4);
         packet.setDivision(style.ordinal());
         packet.setColor(colors.get(id));
@@ -76,8 +75,7 @@ public class BungeeBossBar implements BossBar {
 
     @Override
     public void update(@NotNull UUID id, @NotNull BarColor color) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         net.md_5.bungee.protocol.packet.BossBar packet = new net.md_5.bungee.protocol.packet.BossBar(id, 4);
         packet.setDivision(styles.get(id));
         packet.setColor(color.ordinal());
@@ -88,11 +86,20 @@ public class BungeeBossBar implements BossBar {
 
     @Override
     public void remove(@NotNull UUID id) {
-        if (player.getVersion().getMinorVersion() < 9) return;
-
+        if (frozen) return; // Server switch
         player.sendPacket(new net.md_5.bungee.protocol.packet.BossBar(id, 1));
 
         colors.remove(id);
         styles.remove(id);
     }
-}
+
+    @Override
+    public void freeze() {
+        frozen = true;
+    }
+
+    @Override
+    public void unfreeze() {
+        frozen = false;
+    }
+}

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeEventListener.java

@@ -42,10 +42,12 @@ public class BungeeEventListener implements EventListener<ProxiedPlayer>, Listen
         TAB tab = TAB.getInstance();
         if (tab.isPluginDisabled()) return;
 
-        // Avoid 1.20.3 client crash on scoreboard packets, do it sync to prevent packet being sent after event, but before processing
+        // Avoid 1.20.3+ client crash on scoreboard packets, do it sync to prevent packet being sent after event, but before processing
+        // Avoid 1.20.5+ client disconnect with "Network Protocol Error"
         TabPlayer p = tab.getPlayer(e.getPlayer().getUniqueId());
-        if (p != null && p.getVersion().getNetworkId() >= ProtocolVersion.V1_20_3.getNetworkId()) {
+        if (p != null && p.getVersion().getNetworkId() >= ProtocolVersion.V1_20_2.getNetworkId()) {
             p.getScoreboard().freeze();
+            p.getBossBar().freeze();
         }
 
         tab.getCPUManager().runTask(() -> {
@@ -57,6 +59,7 @@ public class BungeeEventListener implements EventListener<ProxiedPlayer>, Listen
                 // Sending these packets before login packet will also crash the client on 1.20.3
                 if (player.getVersion().getNetworkId() >= ProtocolVersion.V1_20_2.getNetworkId()) {
                     player.getScoreboard().freeze();
+                    player.getBossBar().freeze();
                 }
 
                 tab.getFeatureManager().onJoin(player);

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeScoreboard.java

@@ -14,6 +14,8 @@ import net.md_5.bungee.protocol.packet.*;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * Scoreboard handler for BungeeCord. Because it does not offer
@@ -158,8 +160,9 @@ public class BungeeScoreboard extends Scoreboard<BungeeTabPlayer, BaseComponent>
         }
         if (isAntiOverrideTeams() && packet instanceof Team) {
             Team team = (Team) packet;
-            if (team.getMode() == TeamAction.REMOVE || team.getMode() == TeamAction.UPDATE) return;
-            team.setPlayers(onTeamPacket(team.getMode(), team.getName(), Lists.newArrayList(team.getPlayers())).toArray(new String[0]));
+            if (team.getMode() == TeamAction.UPDATE) return;
+            List<String> players = team.getPlayers() == null ? Collections.emptyList() : Lists.newArrayList(team.getPlayers());
+            team.setPlayers(onTeamPacket(team.getMode(), team.getName(), players).toArray(new String[0]));
         }
     }
 }

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/BungeeTabPlayer.java

@@ -71,7 +71,20 @@ public class BungeeTabPlayer extends ProxyTabPlayer {
 
     @Override
     public void sendMessage(@NotNull TabComponent message) {
-        getPlayer().sendMessage((BaseComponent) message.convert(getVersion()));
+        try {
+            getPlayer().sendMessage((BaseComponent) message.convert(getVersion()));
+        } catch (NullPointerException BungeeCordBug) {
+            // java.lang.NullPointerException: Cannot invoke "net.md_5.bungee.protocol.MinecraftEncoder.getProtocol()" because the return value of "io.netty.channel.ChannelPipeline.get(java.lang.Class)" is null
+            //	at net.md_5.bungee.netty.ChannelWrapper.getEncodeProtocol(ChannelWrapper.java:51)
+            //	at net.md_5.bungee.UserConnection.sendPacketQueued(UserConnection.java:198)
+            //	at net.md_5.bungee.UserConnection.sendMessage(UserConnection.java:565)
+            //	at net.md_5.bungee.UserConnection.sendMessage(UserConnection.java:520)
+            //	at net.md_5.bungee.UserConnection.sendMessage(UserConnection.java:508)
+            if (TAB.getInstance().getConfiguration().isDebugMode()) {
+                TAB.getInstance().getErrorManager().printError("Failed to send message to player " + getName() +
+                        " (online = " + getPlayer().isConnected() + "): " + message.convert(getVersion()), BungeeCordBug);
+            }
+        }
     }
 
     @Override
@@ -80,8 +93,13 @@ public class BungeeTabPlayer extends ProxyTabPlayer {
         LoginResult loginResult = ((InitialHandler)getPlayer().getPendingConnection()).getLoginProfile();
         if (loginResult == null) return null;
         Property[] properties = loginResult.getProperties();
-        if (properties == null || properties.length == 0) return null; //Offline mode
-        return new TabList.Skin(properties[0].getValue(), properties[0].getSignature());
+        if (properties == null) return null; //Offline mode
+        for (Property property : properties) {
+            if (property.getName().equals(TabList.TEXTURES_PROPERTY)) {
+                return new TabList.Skin(property.getValue(), property.getSignature());
+            }
+        }
+        return null;
     }
 
     @Override

bungeecord/src/main/java/me/neznamy/tab/platforms/bungeecord/tablist/BungeeTabList1193.java

@@ -20,7 +20,15 @@ public class BungeeTabList1193 extends BungeeTabList {
     private static final Map<Action, EnumSet<PlayerListItemUpdate.Action>> actions = new EnumMap<>(Action.class);
 
     static {
-        actions.put(Action.ADD_PLAYER, EnumSet.allOf(PlayerListItemUpdate.Action.class));
+        // Do not use allOf because <1.21.2 does not support UPDATE_LIST_ORDER
+        // TODO Once bungeecord dependency is updated, support it properly
+        actions.put(Action.ADD_PLAYER, EnumSet.of(
+                PlayerListItemUpdate.Action.ADD_PLAYER,
+                PlayerListItemUpdate.Action.UPDATE_GAMEMODE,
+                PlayerListItemUpdate.Action.UPDATE_LISTED,
+                PlayerListItemUpdate.Action.UPDATE_LATENCY,
+                PlayerListItemUpdate.Action.UPDATE_DISPLAY_NAME
+        ));
         actions.put(Action.UPDATE_GAME_MODE, EnumSet.of(PlayerListItemUpdate.Action.UPDATE_GAMEMODE));
         actions.put(Action.UPDATE_DISPLAY_NAME, EnumSet.of(PlayerListItemUpdate.Action.UPDATE_DISPLAY_NAME));
         actions.put(Action.UPDATE_LATENCY, EnumSet.of(PlayerListItemUpdate.Action.UPDATE_LATENCY));

fabric/build.gradle.kts

@@ -12,11 +12,11 @@ repositories {
 
 dependencies {
     api(projects.shared)
-    minecraft("com.mojang:minecraft:24w19a")
+    minecraft("com.mojang:minecraft:1.21.1")
     mappings(loom.officialMojangMappings())
     modImplementation("me.lucko:fabric-permissions-api:0.2-SNAPSHOT")
     modImplementation("net.fabricmc:fabric-loader:0.15.9")
-    val version = "0.97.8+1.20.6"
+    val version = "0.100.1+1.21"
     modImplementation(fabricApi.module("fabric-api-base", version))
     modImplementation(fabricApi.module("fabric-lifecycle-events-v1", version))
     modImplementation(fabricApi.module("fabric-networking-api-v1", version))

fabric/src/main/java/me/neznamy/tab/platforms/fabric/FabricMultiVersion.java

@@ -4,7 +4,7 @@ import com.mojang.authlib.properties.Property;
 import io.netty.channel.Channel;
 import lombok.SneakyThrows;
 import me.neznamy.tab.platforms.fabric.loader.Loader;
-import me.neznamy.tab.platforms.fabric.loader.Loader_1_20_5;
+import me.neznamy.tab.platforms.fabric.loader.Loader_1_21_1;
 import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.backend.EntityData;
 import me.neznamy.tab.shared.backend.Location;
@@ -38,7 +38,7 @@ public class FabricMultiVersion {
     private static final ProtocolVersion serverVersion = ProtocolVersion.fromFriendlyName(FabricTAB.minecraftVersion);
 
     /** Method loader using latest supported MC version */
-    private static final Loader loaderNew = new Loader_1_20_5();
+    private static final Loader loaderNew = new Loader_1_21_1();
 
     /** Method loader using 1.18.2 */
     private static final Loader loader1_18_2 = createLoader("1_18_2");

fabric/src/main/java/me/neznamy/tab/platforms/fabric/loader/Loader_1_21_1.java

@@ -42,14 +42,13 @@ import org.jetbrains.annotations.Nullable;
 import java.util.*;
 
 /**
- * Method loader compiled using Minecraft 1.20.5.
+ * Method loader compiled using Minecraft 1.21.1.
  */
 @SuppressWarnings({
         "unchecked", // Java generic types
-        "DataFlowIssue", // Profile is not null on add action
-        "unused" // Actually used, just via reflection
+        "DataFlowIssue" // Profile is not null on add action
 })
-public class Loader_1_20_5 implements Loader {
+public class Loader_1_21_1 implements Loader {
 
     @Override
     @NotNull
@@ -96,7 +95,7 @@ public class Loader_1_20_5 implements Loader {
                 null,
                 null,
                 null,
-                modifier.getFont() == null ? null : new ResourceLocation(modifier.getFont())
+                modifier.getFont() == null ? null : ResourceLocation.tryParse(modifier.getFont())
         );
     }
 
@@ -147,7 +146,7 @@ public class Loader_1_20_5 implements Loader {
     @Override
     public void checkTeamPacket(@NotNull Packet<?> packet, @NotNull FabricScoreboard scoreboard) {
         if (packet instanceof ClientboundSetPlayerTeamPacket team) {
-            if (team.method == Scoreboard.TeamAction.REMOVE || team.method == Scoreboard.TeamAction.UPDATE) return;
+            if (team.method == Scoreboard.TeamAction.UPDATE) return;
             team.players = scoreboard.onTeamPacket(team.method, team.getName(), team.players);
         }
     }
@@ -320,12 +319,12 @@ public class Loader_1_20_5 implements Loader {
 
     @Override
     public void logInfo(@NotNull TabComponent message) {
-        MinecraftServer.LOGGER.info("[TAB] " + message.toLegacyText());
+        MinecraftServer.LOGGER.info("[TAB] " + message.toRawText());
     }
 
     @Override
     public void logWarn(@NotNull TabComponent message) {
-        MinecraftServer.LOGGER.warn("[TAB] " + message.toLegacyText());
+        MinecraftServer.LOGGER.warn("[TAB] " + message.toRawText());
     }
 
     /**
@@ -361,10 +360,6 @@ public class Loader_1_20_5 implements Loader {
 
         static final Map<TabList.Action, EnumSet<ClientboundPlayerInfoUpdatePacket.Action>> actionMap = createActionMap();
 
-        public static EnumSet<ClientboundPlayerInfoUpdatePacket.Action> convertAction(TabList.Action action) {
-            return EnumSet.of(ClientboundPlayerInfoUpdatePacket.Action.valueOf(action.name()));
-        }
-
         private static Map<TabList.Action, EnumSet<ClientboundPlayerInfoUpdatePacket.Action>> createActionMap() {
             Map<TabList.Action, EnumSet<ClientboundPlayerInfoUpdatePacket.Action>> actions = new EnumMap<>(TabList.Action.class);
             actions.put(TabList.Action.ADD_PLAYER, EnumSet.allOf(ClientboundPlayerInfoUpdatePacket.Action.class));

fabric/src/main/resources/fabric.mod.json

@@ -20,7 +20,7 @@
       "1.18", "1.18.1", "1.18.2",
       "1.19", "1.19.1", "1.19.2", "1.19.3", "1.19.4",
       "1.20", "1.20.1", "1.20.2", "1.20.3", "1.20.4", "1.20.5", "1.20.6",
-      "1.21-alpha.24.19.a"
+      "1.21", "1.21.1"
     ]
   },
   "recommends": {

fabric/v1_14_4/src/main/java/me/neznamy/tab/platforms/fabric/loader/Loader_1_14_4.java

@@ -147,7 +147,7 @@ public class Loader_1_14_4 implements Loader {
     public void checkTeamPacket(@NotNull Packet<?> packet, @NotNull FabricScoreboard scoreboard) {
         if (packet instanceof ClientboundSetPlayerTeamPacket) {
             int action = ReflectionUtils.getInstanceFields(packet.getClass(), int.class).get(0).getInt(packet);
-            if (action == Scoreboard.TeamAction.REMOVE || action == Scoreboard.TeamAction.UPDATE) return;
+            if (action == Scoreboard.TeamAction.UPDATE) return;
             Field playersField = ReflectionUtils.getFields(packet.getClass(), Collection.class).get(0);
             Collection<String> players = (Collection<String>) playersField.get(packet);
             String teamName = String.valueOf(ReflectionUtils.getFields(packet.getClass(), String.class).get(0).get(packet));
@@ -319,13 +319,13 @@ public class Loader_1_14_4 implements Loader {
     @SneakyThrows
     public void logInfo(@NotNull TabComponent message) {
         Object logger = ReflectionUtils.getFields(MinecraftServer.class, Class.forName("org.apache.logging.log4j.Logger")).get(0).get(null);
-        logger.getClass().getMethod("info", String.class).invoke(logger, "[TAB] " + message.toLegacyText());
+        logger.getClass().getMethod("info", String.class).invoke(logger, "[TAB] " + message.toRawText());
     }
 
     @Override
     @SneakyThrows
     public void logWarn(@NotNull TabComponent message) {
         Object logger = ReflectionUtils.getFields(MinecraftServer.class, Class.forName("org.apache.logging.log4j.Logger")).get(0).get(null);
-        logger.getClass().getMethod("warn", String.class).invoke(logger, "[TAB] " + message.toLegacyText());
+        logger.getClass().getMethod("warn", String.class).invoke(logger, "[TAB] " + message.toRawText());
     }
 }

shared/src/main/java/me/neznamy/tab/shared/ErrorManager.java

@@ -3,7 +3,7 @@ package me.neznamy.tab.shared;
 import lombok.Getter;
 import me.neznamy.tab.api.event.TabEvent;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.platform.TabPlayer;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -118,13 +118,13 @@ public class ErrorManager {
                     if (file.length() < TabConstants.MAX_LOG_SIZE)
                         buf.write(dateFormat.format(new Date()) + "[TAB v" + TabConstants.PLUGIN_VERSION + "] " + EnumChatFormat.decolor(message) + System.lineSeparator());
                     if (intoConsoleToo || TAB.getInstance().getConfiguration().isDebugMode())
-                        TAB.getInstance().getPlatform().logWarn(new SimpleComponent(message));
+                        TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(message));
                 }
                 for (String line : error) {
                     if (file.length() < TabConstants.MAX_LOG_SIZE)
                         buf.write(dateFormat.format(new Date()) + line + System.lineSeparator());
                     if (intoConsoleToo || TAB.getInstance().getConfiguration().isDebugMode())
-                        TAB.getInstance().getPlatform().logWarn(new SimpleComponent(line));
+                        TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(line));
                 }
             }
         } catch (IOException ex) {
@@ -134,7 +134,7 @@ public class ErrorManager {
             lines.add("Original error: " + message);
             lines.addAll(error);
             for (String line : lines) {
-                TAB.getInstance().getPlatform().logWarn(new SimpleComponent(line));
+                TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(line));
             }
         }
     }

shared/src/main/java/me/neznamy/tab/shared/FeatureManager.java

@@ -3,6 +3,7 @@ package me.neznamy.tab.shared;
 import java.util.*;
 
 import me.neznamy.tab.api.placeholder.PlayerPlaceholder;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.config.Configs;
 import me.neznamy.tab.shared.config.mysql.MySQLUserConfiguration;
 import me.neznamy.tab.shared.features.*;
@@ -487,6 +488,18 @@ public class FeatureManager {
                 NameTag unlimited = TAB.getInstance().getPlatform().getUnlimitedNameTags();
                 if (unlimited instanceof NameTagX) {
                     featureManager.registerFeature(TabConstants.Feature.UNLIMITED_NAME_TAGS, unlimited);
+                    for (String message : new String[]{
+                            "---------------------------------------------------------------------",
+                            "You have unlimited nametag mode feature enabled.",
+                            "This feature is scheduled for removal in a future TAB release.",
+                            "Please considering the alternative solutions available to achieve your desired result.",
+                            "No bug reports with this feature will be accepted anymore.",
+                            "No support with this feature will be provided anymore.",
+                            "See https://gist.github.com/NEZNAMY/f4cabf2fd9251a836b5eb877720dee5c/ for more info.",
+                            "---------------------------------------------------------------------"
+                    }) {
+                        TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(message));
+                    }
                 } else {
                     featureManager.registerFeature(TabConstants.Feature.NAME_TAGS, unlimited);
                 }

shared/src/main/java/me/neznamy/tab/shared/ProtocolVersion.java

@@ -11,6 +11,8 @@ import org.jetbrains.annotations.NotNull;
 public enum ProtocolVersion {
 
     UNKNOWN,
+    V1_21_1 (767),
+    V1_21   (767),
     V1_20_6 (766),
     V1_20_5 (766),
     V1_20_4 (765),
@@ -81,7 +83,7 @@ public enum ProtocolVersion {
     private static final ProtocolVersion[] VALUES = values();
 
     /** Newest MC version this plugin jar knows */
-    public static final ProtocolVersion LATEST_KNOWN_VERSION = V1_20_6;
+    public static final ProtocolVersion LATEST_KNOWN_VERSION = VALUES[1];
 
     /** Version's network id found at <a href="https://wiki.vg/Protocol_version_numbers">wiki.vg</a> */
     private final int networkId;

shared/src/main/java/me/neznamy/tab/shared/TAB.java

@@ -10,7 +10,7 @@ import me.neznamy.tab.api.scoreboard.ScoreboardManager;
 import me.neznamy.tab.api.tablist.HeaderFooterManager;
 import me.neznamy.tab.api.tablist.TabListFormatManager;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.config.helper.ConfigHelper;
 import me.neznamy.tab.shared.cpu.CpuManager;
 import me.neznamy.tab.shared.features.nametags.NameTag;
@@ -28,6 +28,8 @@ import org.jetbrains.annotations.Nullable;
 import org.yaml.snakeyaml.error.YAMLException;
 
 import java.io.File;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
@@ -184,10 +186,10 @@ public class TAB extends TabAPI {
             cpu.enable();
             configHelper.startup().checkErrorLog();
             configHelper.startup().printWarnCount();
-            platform.logInfo(new SimpleComponent(EnumChatFormat.GREEN + "Enabled in " + (System.currentTimeMillis()-time) + "ms"));
+            platform.logInfo(TabComponent.fromColoredText(EnumChatFormat.GREEN + "Enabled in " + (System.currentTimeMillis()-time) + "ms"));
             return configuration.getMessages().getReloadSuccess();
         } catch (YAMLException e) {
-            platform.logWarn(new SimpleComponent(EnumChatFormat.RED + "Did not enable due to a broken configuration file."));
+            platform.logWarn(TabComponent.fromColoredText(EnumChatFormat.RED + "Did not enable due to a broken configuration file."));
             kill();
             return (configuration == null ? "&4Failed to reload, file %file% has broken syntax. Check console for more info."
                     : configuration.getMessages().getReloadFailBrokenFile()).replace("%file%", brokenFile);
@@ -208,7 +210,7 @@ public class TAB extends TabAPI {
             long time = System.currentTimeMillis();
             if (configuration.getMysql() != null) configuration.getMysql().closeConnection();
             featureManager.unload();
-            platform.logInfo(new SimpleComponent(EnumChatFormat.GREEN + "Disabled in " + (System.currentTimeMillis()-time) + "ms"));
+            platform.logInfo(TabComponent.fromColoredText(EnumChatFormat.GREEN + "Disabled in " + (System.currentTimeMillis()-time) + "ms"));
         } catch (Throwable e) {
             errorManager.criticalError("Failed to disable", e);
         }
@@ -293,6 +295,11 @@ public class TAB extends TabAPI {
         return featureManager.getFeature(TabConstants.Feature.HEADER_FOOTER);
     }
 
+    @Override
+    public @NotNull Collection<? extends TabPlayer> onlinePlayers() {
+        return Collections.unmodifiableCollection(data.values());
+    }
+
     @Override
     public @Nullable TabListFormatManager getTabListFormatManager() {
         return featureManager.getFeature(TabConstants.Feature.PLAYER_LIST);
@@ -317,6 +324,6 @@ public class TAB extends TabAPI {
      */
     public void debug(@NotNull String message) {
         if (configuration != null && configuration.isDebugMode())
-            platform.logInfo(new SimpleComponent(EnumChatFormat.BLUE + "[DEBUG] " + message));
+            platform.logInfo(TabComponent.fromColoredText(EnumChatFormat.BLUE + "[DEBUG] " + message));
     }
 }

shared/src/main/java/me/neznamy/tab/shared/chat/SimpleComponent.java

@@ -19,4 +19,11 @@ public class SimpleComponent extends TabComponent {
     public String toLegacyText() {
         return text;
     }
+
+    @Override
+    @NotNull
+    public String toRawText() {
+        return text;
+    }
+
 }

shared/src/main/java/me/neznamy/tab/shared/chat/StructuredComponent.java

@@ -115,17 +115,14 @@ public class StructuredComponent extends TabComponent {
         return builder.toString();
     }
 
-    /**
-     * Returns raw text without colors, only works correctly when component is organized
-     *
-     * @return  raw text in this component and all child components
-     */
-    public @NotNull String toRawText() {
-        StringBuilder builder = new StringBuilder();
-        builder.append(text);
-        for (StructuredComponent child : getExtra()) {
-            builder.append(child.text);
+    @Override
+    @NotNull
+    public String toRawText() {
+        StringBuilder builder = new StringBuilder(text);
+        for (StructuredComponent extra : getExtra()) {
+            builder.append(extra.toRawText());
         }
         return builder.toString();
     }
+
 }

shared/src/main/java/me/neznamy/tab/shared/chat/TabComponent.java

@@ -64,6 +64,15 @@ public abstract class TabComponent {
      */
     public abstract String toLegacyText();
 
+    /**
+     * Converts this component into a string that only consists of text without any formatting.
+     *
+     * @return  String containing text of the component and extras
+     */
+    @NotNull
+    public abstract String toRawText();
+
+
     /**
      * Returns the most optimized component based on text. Returns null if text is null,
      * organized component if RGB colors are used or simple component with only text field

shared/src/main/java/me/neznamy/tab/shared/chat/rgb/format/MiniMessageFormat.java

@@ -14,13 +14,17 @@ public class MiniMessageFormat implements RGBFormatter {
     private static final LegacyComponentSerializer SERIALIZER = LegacyComponentSerializer.builder()
             .hexColors().useUnusualXRepeatedCharacterHexFormat().build();
 
+    /** Dummy character to append to disable MiniMessage's color compacting that prevents team color from being detected as last color of prefix */
+    private static final char dummyChar = Character.MAX_VALUE;
+
     @Override
     @NotNull
     public String reformat(@NotNull String text) {
         if (!text.contains("<")) return text; // User did not even attempt to use MiniMessage
         if (text.contains(EnumChatFormat.COLOR_STRING)) return text;
         try {
-            return SERIALIZER.serialize(MiniMessage.miniMessage().deserialize(text));
+            String serialized = SERIALIZER.serialize(MiniMessage.miniMessage().deserialize(text + dummyChar));
+            return serialized.substring(0, serialized.length()-1); // Remove the dummy char back
         } catch (Throwable ignored) {
             return text;
         }

shared/src/main/java/me/neznamy/tab/shared/command/CpuCommand.java

@@ -4,7 +4,7 @@ import java.text.DecimalFormat;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.cpu.CpuReport;
 import me.neznamy.tab.shared.platform.TabPlayer;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
@@ -74,13 +74,13 @@ public class CpuCommand extends SubCommand {
     }
 
     public void sendToConsole(@NotNull Map<String, Map<String, Float>> features) {
-        TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.color("&8&l" + LINE_CHAR + " &6Features:")));
+        TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.color("&8&l" + LINE_CHAR + " &6Features:")));
         for (Entry<String, Map<String, Float>> entry : features.entrySet()) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.color(
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.color(
                     String.format("&8&l%s &7%s &7(%s%%&7):", LINE_CHAR, entry.getKey(),
                             colorize(decimal3.format(entry.getValue().values().stream().mapToDouble(Float::floatValue).sum()), 5, 1)))));
             for (Entry<String, Float> type : entry.getValue().entrySet()) {
-                TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.color(
+                TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.color(
                         String.format("&8&l%s     &7%s - %s%%", LINE_CHAR, type.getKey(), colorize(decimal3.format(type.getValue()), 5, 1)))));
             }
         }
@@ -91,7 +91,7 @@ public class CpuCommand extends SubCommand {
         for (Entry<String, Map<String, Float>> entry : features.entrySet()) {
             double featureTotal = entry.getValue().values().stream().mapToDouble(Float::floatValue).sum();
             String core = String.format("&8&l%s &7%s &7(%s%%&7):", LINE_CHAR, entry.getKey(), colorize(decimal3.format(featureTotal), 5, 1));
-            sender.sendMessage(new SimpleComponent(EnumChatFormat.color(core)));
+            sender.sendMessage(TabComponent.fromColoredText(EnumChatFormat.color(core)));
         }
     }
 

shared/src/main/java/me/neznamy/tab/shared/command/PropertyCommand.java

@@ -42,7 +42,7 @@ public abstract class PropertyCommand extends SubCommand {
             server = args[args.length-1];
             value = value.startsWith("-s") ? "" : value.substring(0, value.length()-server.length()-4);
         }
-        if ((value.startsWith("\"") && value.endsWith("\"")) || (value.startsWith("'") && value.endsWith("'"))) {
+        if (((value.startsWith("\"") && value.endsWith("\"")) || (value.startsWith("'") && value.endsWith("'"))) && value.length() > 1) {
             value = value.substring(1, value.length()-1);
         }
         String property = args[1].toLowerCase();

shared/src/main/java/me/neznamy/tab/shared/config/Converter.java

@@ -3,7 +3,7 @@ package me.neznamy.tab.shared.config;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.TabConstants;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.config.file.ConfigurationFile;
 import me.neznamy.tab.shared.config.file.YamlConfigurationFile;
 import org.jetbrains.annotations.NotNull;
@@ -25,7 +25,7 @@ public class Converter {
 
     public void convert2810to290(@NotNull ConfigurationFile animations) {
         if (animations.getValues().size() == 1 && animations.getValues().containsKey("animations")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 2.8.10 to 2.9.0"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 2.8.10 to 2.9.0"));
             animations.setValues(animations.getConfigurationSection("animations"));
             animations.save();
         }
@@ -42,7 +42,7 @@ public class Converter {
      */
     public void convert292to300(@NotNull ConfigurationFile currentConfig) throws IOException {
         if (!currentConfig.hasConfigOption("change-nametag-prefix-suffix")) return;
-        TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 2.9.2 to 3.0.0"));
+        TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 2.9.2 to 3.0.0"));
 
         File folder = TAB.getInstance().getDataFolder();
         moveOldFiles();
@@ -346,13 +346,13 @@ public class Converter {
 
     public void convert301to302(@NotNull ConfigurationFile config) {
         if (config.removeOption("placeholders.remove-strings")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.0.1 to 3.0.2"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.0.1 to 3.0.2"));
         }
     }
 
     public void convert331to332(@NotNull ConfigurationFile config) {
         if (config.removeOption("scoreboard-teams.unlimited-nametag-mode.use-marker-tag-for-1-8-x-clients")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.3.1 to 3.3.2)"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.3.1 to 3.3.2)"));
         }
     }
 
@@ -360,7 +360,7 @@ public class Converter {
     public void convert332to400(@NotNull ConfigurationFile config) throws IOException {
         // Removed config options
         if (config.hasConfigOption("fix-pet-names")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.3.2 to 4.0.0"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 3.3.2 to 4.0.0"));
             config.set("fix-pet-names", null);
             config.set("bossbar.disable-in-worlds", null);
             config.set("bossbar.disable-in-servers", null);
@@ -425,13 +425,13 @@ public class Converter {
 
     public void convert403to404(@NotNull ConfigurationFile config) {
         if (config.removeOption("global-playerlist.update-latency")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 4.0.3 to 4.0.4"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 4.0.3 to 4.0.4"));
         }
     }
 
     public void convert409to410(@NotNull ConfigurationFile config) {
         if (config.hasConfigOption("yellow-number-in-tablist")) {
-            TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.YELLOW + "Performing configuration conversion from 4.0.9 to 4.1.0"));
+            TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.YELLOW + "Performing configuration conversion from 4.0.9 to 4.1.0"));
             Map<Object, Object> section = config.getConfigurationSection("yellow-number-in-tablist");
             section.put("fancy-value", "&7Ping: %ping%");
             config.set("yellow-number-in-tablist", null);

shared/src/main/java/me/neznamy/tab/shared/config/file/YamlConfigurationFile.java

@@ -14,7 +14,7 @@ import java.util.List;
 import lombok.NonNull;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import org.jetbrains.annotations.Nullable;
 import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.Yaml;
@@ -56,13 +56,13 @@ public class YamlConfigurationFile extends ConfigurationFile {
             if (input != null) input.close();
             TAB tab = TAB.getInstance();
             tab.setBrokenFile(destination.getName());
-            tab.getPlatform().logWarn(new SimpleComponent("File " + destination + " has broken syntax."));
-            tab.getPlatform().logInfo(new SimpleComponent(EnumChatFormat.GOLD + "Error message from yaml parser: " + e.getMessage()));
+            tab.getPlatform().logWarn(TabComponent.fromColoredText("File " + destination + " has broken syntax."));
+            tab.getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.GOLD + "Error message from yaml parser: " + e.getMessage()));
             List<String> suggestions = YamlAssist.getSuggestions(file);
             if (!suggestions.isEmpty()) {
-                tab.getPlatform().logInfo(new SimpleComponent(EnumChatFormat.LIGHT_PURPLE + "Suggestions to fix yaml syntax:"));
+                tab.getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.LIGHT_PURPLE + "Suggestions to fix yaml syntax:"));
                 for (String suggestion : suggestions) {
-                    tab.getPlatform().logInfo(new SimpleComponent(EnumChatFormat.LIGHT_PURPLE + "- " + suggestion));
+                    tab.getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.LIGHT_PURPLE + "- " + suggestion));
                 }
             }
             throw e;
@@ -79,7 +79,7 @@ public class YamlConfigurationFile extends ConfigurationFile {
             writer.close();
             fixHeader();
         } catch (IOException e) {
-            TAB.getInstance().getPlatform().logWarn(new SimpleComponent("Failed to save yaml file " + file.getPath() + " with content " + values.toString()));
+            TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText("Failed to save yaml file " + file.getPath() + " with content " + values.toString()));
         }
     }
 }

shared/src/main/java/me/neznamy/tab/shared/config/helper/HintPrinter.java

@@ -2,7 +2,7 @@ package me.neznamy.tab.shared.config.helper;
 
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Map;
@@ -100,6 +100,6 @@ public class HintPrinter {
      *          Message to log
      */
     private void hint(@NotNull String message) {
-        TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.GOLD + "[Hint] " + message));
+        TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.GOLD + "[Hint] " + message));
     }
 }

shared/src/main/java/me/neznamy/tab/shared/config/helper/RuntimeErrorPrinter.java

@@ -3,7 +3,7 @@ package me.neznamy.tab.shared.config.helper;
 import me.neznamy.tab.api.bossbar.BossBar;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.features.sorting.types.SortingType;
 import me.neznamy.tab.shared.platform.TabPlayer;
 import me.neznamy.tab.shared.proxy.ProxyTabPlayer;
@@ -196,6 +196,6 @@ public class RuntimeErrorPrinter {
      *          Message to log
      */
     private void error(@NotNull String message) {
-        TAB.getInstance().getPlatform().logWarn(new SimpleComponent(message));
+        TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(message));
     }
 }

shared/src/main/java/me/neznamy/tab/shared/config/helper/StartupWarnPrinter.java

@@ -4,7 +4,7 @@ import me.neznamy.tab.api.bossbar.BarColor;
 import me.neznamy.tab.api.bossbar.BarStyle;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.TabConstants;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.features.layout.GroupPattern;
 import me.neznamy.tab.shared.features.layout.LayoutManagerImpl;
 import me.neznamy.tab.shared.features.sorting.types.SortingType;
@@ -389,7 +389,7 @@ public class StartupWarnPrinter {
     private void startupWarn(@NotNull String... messages) {
         warnCount++;
         for (String message : messages) {
-            TAB.getInstance().getPlatform().logWarn(new SimpleComponent(message));
+            TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText(message));
         }
     }
 
@@ -398,7 +398,7 @@ public class StartupWarnPrinter {
      */
     public void printWarnCount() {
         if (warnCount == 0) return;
-        TAB.getInstance().getPlatform().logWarn(new SimpleComponent("Found a total of " + warnCount + " issues."));
+        TAB.getInstance().getPlatform().logWarn(TabComponent.fromColoredText("Found a total of " + warnCount + " issues."));
         // Reset after printing to prevent count going up on each reload
         warnCount = 0;
     }

shared/src/main/java/me/neznamy/tab/shared/config/mysql/MySQL.java

@@ -14,7 +14,7 @@ import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.chat.EnumChatFormat;
-import me.neznamy.tab.shared.chat.SimpleComponent;
+import me.neznamy.tab.shared.chat.TabComponent;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -37,7 +37,7 @@ public class MySQL {
         properties.setProperty("useSSL", String.valueOf(useSSL));
         properties.setProperty("characterEncoding", "UTF-8");
         con = DriverManager.getConnection(String.format("jdbc:mysql://%s:%d/%s", host, port, database), properties);
-        TAB.getInstance().getPlatform().logInfo(new SimpleComponent(EnumChatFormat.GREEN + "Successfully connected to MySQL"));
+        TAB.getInstance().getPlatform().logInfo(TabComponent.fromColoredText(EnumChatFormat.GREEN + "Successfully connected to MySQL"));
     }
     
     public void closeConnection() throws SQLException {

shared/src/main/java/me/neznamy/tab/shared/features/PlayerList.java

@@ -237,7 +237,7 @@ public class PlayerList extends TabFeature implements TabListFormatManager, Join
         connectedPlayer.getTabList().setAntiOverride(antiOverrideTabList);
         updateProperties(connectedPlayer);
         if (disableChecker.isDisableConditionMet(connectedPlayer)) {
-            connectedPlayer.disabledHeaderFooter.set(true);
+            connectedPlayer.disabledPlayerList.set(true);
             return;
         }
         Runnable r = () -> {

shared/src/main/java/me/neznamy/tab/shared/features/bossbar/BossBarLine.java

@@ -264,12 +264,12 @@ public class BossBarLine implements BossBar {
     public void addPlayer(@NonNull me.neznamy.tab.api.TabPlayer p) {
         TabPlayer player = (TabPlayer) p;
         if (players.contains(player)) return;
-        players.add(player);
         player.setProperty(textRefresher, propertyTitle, title);
         player.setProperty(progressRefresher, propertyProgress, progress);
         player.setProperty(colorRefresher, propertyColor, color);
         player.setProperty(styleRefresher, propertyStyle, style);
         sendToPlayerRaw(player);
+        players.add(player);
     }
 
     @Override

shared/src/main/java/me/neznamy/tab/shared/features/bossbar/BossBarManagerImpl.java

@@ -83,8 +83,11 @@ public class BossBarManagerImpl extends TabFeature implements BossBarManager, Jo
 
     @Override
     public void load() {
-        TAB.getInstance().getPlaceholderManager().registerServerPlaceholder(TabConstants.Placeholder.COUNTDOWN, 100,
-                () -> TimeUnit.MILLISECONDS.toSeconds(announceEndTime - System.currentTimeMillis()));
+        TAB.getInstance().getPlaceholderManager().registerServerPlaceholder(TabConstants.Placeholder.COUNTDOWN, 100, () -> {
+            long seconds = TimeUnit.MILLISECONDS.toSeconds(announceEndTime - System.currentTimeMillis());
+            if (seconds < 0) return 0;
+            return seconds;
+        });
         for (TabPlayer p : TAB.getInstance().getOnlinePlayers()) {
             onJoin(p);
         }
@@ -165,12 +168,11 @@ public class BossBarManagerImpl extends TabFeature implements BossBarManager, Jo
         }
     }
 
-
-
     @Override
     public void onLoginPacket(TabPlayer player) {
         // Since 1.20.2, Login packet clears BossBars as well
         if (player.getVersion().getNetworkId() >= ProtocolVersion.V1_20_2.getNetworkId()) {
+            player.getBossBar().unfreeze();
             for (BossBar bar : lineValues) {
                 if (bar.containsPlayer(player)) {
                     ((BossBarLine)bar).sendToPlayerRaw(player);

shared/src/main/java/me/neznamy/tab/shared/features/layout/LayoutPattern.java

@@ -111,7 +111,7 @@ public class LayoutPattern extends TabFeature implements Refreshable, Layout {
     public void addFixedSlot(int slot, @NonNull String text, @NonNull String skin, int ping) {
         ensureActive();
         fixedSlots.put(slot, new FixedSlot(manager, slot, this, manager.getUUID(slot), text,
-                "Layout-" + text + "-SLOT-" + slot, skin, "Layout-" + text + "-SLOT-" + slot+ "-skin", ping));
+                "Layout-" + name + "-SLOT-" + slot, skin, "Layout-" + name + "-SLOT-" + slot+ "-skin", ping));
     }
 
     @Override

shared/src/main/java/me/neznamy/tab/shared/features/redis/RedisSupport.java

@@ -227,6 +227,16 @@ public abstract class RedisSupport extends TabFeature implements JoinListener, Q
             }
             return count;
         });
+        TAB.getInstance().getPlaceholderManager().registerPlayerPlaceholder(TabConstants.Placeholder.SERVER_ONLINE, 1000, p -> {
+            int count = 0;
+            for (TabPlayer player : TAB.getInstance().getOnlinePlayers()) {
+                if (((TabPlayer)p).getServer().equals(player.getServer()) && !player.isVanished()) count++;
+            }
+            for (RedisPlayer player : redisPlayers.values()) {
+                if (((TabPlayer)p).getServer().equals(player.getServer()) && !player.isVanished()) count++;
+            }
+            return count;
+        });
     }
 
     @Override

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/Placeholder.java

@@ -61,14 +61,15 @@ public class Placeholder extends SortingType {
     @Override
     public String getChars(@NotNull TabPlayer p) {
         String output = EnumChatFormat.color(setPlaceholders(p));
-        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder.getIdentifier() + " returned \"&e" + output + "&r\"";
+        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder + " returned \"&e" + output + "&r\"";
         int position;
-        if (!sortingMap.containsKey(output.toLowerCase(Locale.US))) {
-            TAB.getInstance().getConfigHelper().runtime().valueNotInPredefinedValues(sortingPlaceholder.getIdentifier(), sortingMap.keySet(), output, p);
+        String cleanOutput = output.trim().toLowerCase(Locale.US);
+        if (!sortingMap.containsKey(cleanOutput)) {
+            TAB.getInstance().getConfigHelper().runtime().valueNotInPredefinedValues(sortingPlaceholder, sortingMap.keySet(), cleanOutput, p);
             position = sortingMap.size()+1;
             p.sortingData.teamNameNote += "&c (not in list)&r. ";
         } else {
-            position = sortingMap.get(output.toLowerCase(Locale.US));
+            position = sortingMap.get(cleanOutput);
             p.sortingData.teamNameNote += "&r &a(#" + position + " in list). &r";
         }
         return String.valueOf((char) (position + 47));

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/PlaceholderAtoZ.java

@@ -24,7 +24,7 @@ public class PlaceholderAtoZ extends SortingType {
     @Override
     public String getChars(@NotNull TabPlayer p) {
         String output = setPlaceholders(p);
-        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder.getIdentifier() + " returned \"&e" + output + "&r\". &r";
+        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder + " returned \"&e" + output + "&r\". &r";
         return sorting.isCaseSensitiveSorting() ? output : output.toLowerCase();
     }
 }

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/PlaceholderHighToLow.java

@@ -24,7 +24,7 @@ public class PlaceholderHighToLow extends SortingType {
     @Override
     public String getChars(@NotNull TabPlayer p) {
         String output = setPlaceholders(p);
-        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder.getIdentifier() + " returned \"&e" + output + "&r\". &r";
-        return compressNumber(DEFAULT_NUMBER - parseDouble(sortingPlaceholder.getIdentifier(), output, 0, p));
+        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder + " returned \"&e" + output + "&r\". &r";
+        return compressNumber(DEFAULT_NUMBER - parseDouble(sortingPlaceholder, output, 0, p));
     }
 }

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/PlaceholderLowToHigh.java

@@ -24,7 +24,7 @@ public class PlaceholderLowToHigh extends SortingType {
     @Override
     public String getChars(@NotNull TabPlayer p) {
         String output = setPlaceholders(p);
-        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder.getIdentifier() + " returned \"&e" + output + "&r\". &r";
-        return compressNumber(DEFAULT_NUMBER + parseDouble(sortingPlaceholder.getIdentifier(), output, 0, p));
+        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder + " returned \"&e" + output + "&r\". &r";
+        return compressNumber(DEFAULT_NUMBER + parseDouble(sortingPlaceholder, output, 0, p));
     }
 }

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/PlaceholderZtoA.java

@@ -24,7 +24,7 @@ public class PlaceholderZtoA extends SortingType {
     @Override
     public String getChars(@NotNull TabPlayer p) {
         char[] chars = setPlaceholders(p).toCharArray();
-        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder.getIdentifier() + " returned \"&e" + new String(chars) + "&r\". &r";
+        p.sortingData.teamNameNote += "\n-> " + sortingPlaceholder + " returned \"&e" + new String(chars) + "&r\". &r";
         for (int i=0; i<chars.length; i++) {
             char c = chars[i];
             if (c >= 65 && c <= 90) {

shared/src/main/java/me/neznamy/tab/shared/features/sorting/types/SortingType.java

@@ -28,7 +28,7 @@ public abstract class SortingType {
     protected final int DEFAULT_NUMBER = Integer.MAX_VALUE / 2;
     
     /** Placeholder to sort by, if sorting type uses it */
-    protected TabPlaceholder sortingPlaceholder;
+    protected String sortingPlaceholder;
 
     /**
      * Constructs new instance with given parameter
@@ -43,7 +43,7 @@ public abstract class SortingType {
             TAB.getInstance().getConfigHelper().startup().invalidSortingPlaceholder(sortingPlaceholder, this);
         } else {
             sorting.addUsedPlaceholder(sortingPlaceholder);
-            this.sortingPlaceholder = TAB.getInstance().getPlaceholderManager().getPlaceholder(sortingPlaceholder);
+            this.sortingPlaceholder = sortingPlaceholder;
         }
     }
     
@@ -56,7 +56,8 @@ public abstract class SortingType {
      */
     protected String setPlaceholders(TabPlayer player) {
         if (sortingPlaceholder == null) return "";
-        return sortingPlaceholder.set(sortingPlaceholder.getIdentifier(), player);
+        TabPlaceholder placeholder = TAB.getInstance().getPlaceholderManager().getPlaceholder(sortingPlaceholder);
+        return placeholder.set(placeholder.getIdentifier(), player);
     }
 
     /**
@@ -80,27 +81,27 @@ public abstract class SortingType {
 
     /**
      * Compresses a number to ### format, where # is a character symbol representing
-     * a number in a base of 65536. The first two represent the whole part, the third one decimal part.
+     * a number in a base of 65534. The first two represent the whole part, the third one decimal part.
      * The maximum number it will work properly with is {@link Integer#MAX_VALUE}.
      *
      * @param   number
      *          Number to convert
-     * @return  3 characters long String of converted number with a base of 65536.
+     * @return  3 characters long String of converted number with a base of 65534.
      */
     public String compressNumber(double number) {
         int wholePart = (int) number;
-        char decimalChar = (char) ((number - wholePart) * (Character.MAX_VALUE - 1));
+        int base = Character.MAX_VALUE - 1;
+        char decimalChar = (char) ((number - wholePart) * base);
         // The \ symbol breaks json syntax, skip it (and reduce range) (why is it not being escaped by json writer?)
         if (decimalChar >= '\\') decimalChar++;
         StringBuilder sb = new StringBuilder();
         while (wholePart > 0) {
-            char digit = (char) (wholePart % (Character.MAX_VALUE - 1));
+            char digit = (char) (wholePart % base);
             if (digit >= '\\') digit++;
-            sb.append(digit);
-            wholePart /= Character.MAX_VALUE;
+            sb.insert(0, digit);
+            wholePart /= base;
         }
-        sb.reverse();
-        if (sb.length() == 1) sb.insert(0, (char) 0); // Avoid a single # if number is < 65535
+        if (sb.length() == 1) sb.insert(0, (char) 0); // Avoid a single # if number is < base
         sb.append(decimalChar);
         return sb.toString();
     }

shared/src/main/java/me/neznamy/tab/shared/placeholders/types/ServerPlaceholderImpl.java

@@ -90,7 +90,7 @@ public class ServerPlaceholderImpl extends TabPlaceholder implements ServerPlace
     @Override
     @NotNull
     public String getLastValueSafe(@NotNull TabPlayer player) {
-        return identifier;
+        return lastValue;
     }
 
     /**

shared/src/main/java/me/neznamy/tab/shared/platform/BossBar.java

@@ -74,4 +74,19 @@ public interface BossBar {
      *          Unique identifier to match the bossbar with other functions
      */
     void remove(@NotNull UUID id);
+
+
+    /**
+     * Freezes the class, not letting any packets through.
+     */
+    default void freeze() {
+        // Empty by default
+    }
+
+    /**
+     * Unfreezes the class, enabling it back.
+     */
+    default void unfreeze() {
+        // Empty by default
+    }
 }

shared/src/main/java/me/neznamy/tab/shared/platform/Scoreboard.java

@@ -37,6 +37,12 @@ public abstract class Scoreboard<T extends TabPlayer, C> {
     /** Player-to-Team map of expected teams of players */
     private final Map<String, String> expectedTeams = new HashMap<>();
 
+    /** Map of blocked team adds, key is player and value is team name */
+    private final Map<String, String> blockedTeamAdds = new HashMap<>();
+
+    /** Map of allowed team adds, key is player and value is team name */
+    private final Map<String, String> allowedTeamAdds = new HashMap<>();
+
     /** Flag tracking time between Login packet send and its processing */
     private boolean frozen;
 
@@ -372,26 +378,48 @@ public abstract class Scoreboard<T extends TabPlayer, C> {
     @NotNull
     public Collection<String> onTeamPacket(int action, @NonNull String teamName, @NonNull Collection<String> players) {
         Collection<String> newList = new ArrayList<>();
-        for (String entry : players) {
-            String expectedTeam = expectedTeams.get(entry);
-            if (expectedTeam == null) {
-                newList.add(entry);
-                continue;
-            }
-            if (!teamName.equals(expectedTeam)) {
-                // on REMOVE_PLAYER don't warn, just remove the player (required to prevent FPS drop, #1193)
-                // will still throw error and freeze if removing after team handling was paused (API, disable condition),
-                // since expected team is null, but add action was blocked previously but remove will not be blocked anymore,
-                // but that is a very specific case that people are unlikely to even reproduce
-                // workaround would be complicated, just let it be for now
-                if (action == TeamAction.CREATE || action == TeamAction.ADD_PLAYER) {
+        if (action == TeamAction.CREATE || action == TeamAction.ADD_PLAYER) {
+            for (String entry : players) {
+                String expectedTeam = expectedTeams.get(entry);
+                if (expectedTeam == null) {
+                    blockedTeamAdds.remove(entry);
+                    allowedTeamAdds.put(entry, teamName);
+                    newList.add(entry);
+                    continue;
+                }
+                if (teamName.equals(expectedTeam)) {
+                    newList.add(entry);
+                    allowedTeamAdds.remove(entry);
+                } else {
+                    blockedTeamAdds.put(entry, teamName);
                     logTeamOverride(teamName, entry, expectedTeam);
                 }
-            } else {
-                newList.add(entry);
             }
+            return newList;
         }
-        return newList;
+        if (action == TeamAction.REMOVE_PLAYER) {
+            // TAB does not send remove player, making checks easier
+            for (String entry : players) {
+                String expectedTeam = expectedTeams.get(entry);
+                if (expectedTeam != null) {
+                    allowedTeamAdds.remove(entry);
+                    blockedTeamAdds.remove(entry);
+                    continue;
+                }
+                if (allowedTeamAdds.containsKey(entry)) {
+                    allowedTeamAdds.remove(entry);
+                    newList.add(entry);
+                    continue;
+                }
+                blockedTeamAdds.remove(entry);
+            }
+            return newList;
+        }
+        if (action == TeamAction.REMOVE) {
+            allowedTeamAdds.entrySet().removeIf(entry -> entry.getValue().equals(teamName));
+            blockedTeamAdds.entrySet().removeIf(entry -> entry.getValue().equals(teamName));
+        }
+        return players;
     }
 
     /**
@@ -403,7 +431,7 @@ public abstract class Scoreboard<T extends TabPlayer, C> {
      * @param   player
      *          Player who was about to be added into the team
      * @param   expectedTeam
-     *          Expected name of the team
+     *          Expected team
      */
     public static void logTeamOverride(@NonNull String team, @NonNull String player, @NonNull String expectedTeam) {
         String message = "Blocked attempt to add player " + player + " into team " + team + " (expected team: " + expectedTeam + ")";

shared/src/main/java/me/neznamy/tab/shared/platform/impl/AdventureBossBar.java

@@ -1,14 +1,17 @@
+
 package me.neznamy.tab.shared.platform.impl;
 
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
-import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import me.neznamy.tab.api.bossbar.BarColor;
 import me.neznamy.tab.api.bossbar.BarStyle;
 import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.platform.BossBar;
 import me.neznamy.tab.shared.platform.TabPlayer;
+import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.bossbar.BossBar.Color;
 import net.kyori.adventure.bossbar.BossBar.Overlay;
@@ -17,23 +20,25 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Shared BossBar implementation using Adventure API.
  */
-@AllArgsConstructor
+@RequiredArgsConstructor
 public class AdventureBossBar implements BossBar {
 
+    /** Flag tracking whether this implementation is available on the server or not */
+    @Getter
+    private static final boolean available = ReflectionUtils.classExists("net.kyori.adventure.bossbar.BossBar");
+
     /** Player this BossBar belongs to */
     private final TabPlayer player;
 
     /** BossBars currently visible to the player */
     private final Map<UUID, net.kyori.adventure.bossbar.BossBar> bossBars = new HashMap<>();
 
+    /** Flag tracking whether boss bars should be frozen or not */
+    private boolean frozen;
+
     @Override
     public void create(@NotNull UUID id, @NotNull String title, float progress, @NotNull BarColor color, @NotNull BarStyle style) {
-        if (bossBars.containsKey(id)) {
-            // Can happen on 1.20.2+ on Velocity on server switch
-            ((Audience)player.getPlayer()).hideBossBar(bossBars.get(id));
-            ((Audience)player.getPlayer()).showBossBar(bossBars.get(id));
-            return;
-        }
+        if (frozen) return; // Server switch
         net.kyori.adventure.bossbar.BossBar bar = net.kyori.adventure.bossbar.BossBar.bossBar(
                 TabComponent.optimized(title).convert(player.getVersion()),
                 progress,
@@ -46,26 +51,42 @@ public class AdventureBossBar implements BossBar {
 
     @Override
     public void update(@NotNull UUID id, @NotNull String title) {
+        if (frozen) return; // Server switch
         bossBars.get(id).name(TabComponent.optimized(title).convert(player.getVersion()));
     }
 
     @Override
     public void update(@NotNull UUID id, float progress) {
+        if (frozen) return; // Server switch
         bossBars.get(id).progress(progress);
     }
 
     @Override
     public void update(@NotNull UUID id, @NotNull BarStyle style) {
+        if (frozen) return; // Server switch
         bossBars.get(id).overlay(Overlay.valueOf(style.name()));
     }
 
     @Override
     public void update(@NotNull UUID id, @NotNull BarColor color) {
+        if (frozen) return; // Server switch
         bossBars.get(id).color(Color.valueOf(color.name()));
     }
 
     @Override
     public void remove(@NotNull UUID id) {
+        if (frozen) return; // Server switch
         ((Audience)player.getPlayer()).hideBossBar(bossBars.remove(id));
     }
+
+    @Override
+    public void freeze() {
+        bossBars.clear();
+        frozen = true;
+    }
+
+    @Override
+    public void unfreeze() {
+        frozen = false;
+    }
 }

sponge8/src/main/java/me/neznamy/tab/platforms/sponge8/SpongeTabPlayer.java

@@ -84,7 +84,12 @@ public class SpongeTabPlayer extends BackendTabPlayer {
     public TabList.Skin getSkin() {
         List<ProfileProperty> list = getPlayer().profile().properties();
         if (list.isEmpty()) return null; // Offline mode
-        return new TabList.Skin(list.get(0).value(), list.get(0).signature().orElse(null));
+        for (ProfileProperty property : list) {
+            if (property.name().equals(TabList.TEXTURES_PROPERTY)) {
+                return new TabList.Skin(property.value(), property.signature().orElse(null));
+            }
+        }
+        return null;
     }
 
     @Override

velocity/src/main/java/me/neznamy/tab/platforms/velocity/VelocityEventListener.java

@@ -1,12 +1,15 @@
 package me.neznamy.tab.platforms.velocity;
 
+import com.velocitypowered.api.event.PostOrder;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.command.CommandExecuteEvent;
 import com.velocitypowered.api.event.command.CommandExecuteEvent.CommandResult;
 import com.velocitypowered.api.event.connection.DisconnectEvent;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
 import com.velocitypowered.api.event.player.ServerPostConnectEvent;
+import com.velocitypowered.api.event.player.ServerPreConnectEvent;
 import com.velocitypowered.api.proxy.Player;
+import me.neznamy.tab.shared.ProtocolVersion;
 import me.neznamy.tab.shared.TabConstants;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.features.bossbar.BossBarManagerImpl;
@@ -15,12 +18,19 @@ import me.neznamy.tab.shared.platform.EventListener;
 import me.neznamy.tab.shared.platform.TabPlayer;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
 /**
  * The core for Velocity forwarding events into all enabled features
  */
 @SuppressWarnings("UnstableApiUsage")
 public class VelocityEventListener implements EventListener<Player> {
 
+    /** Map for tracking online players */
+    private final Map<Player, UUID> players = new ConcurrentHashMap<>();
+
     /**
      * Listens to player disconnecting from the server.
      *
@@ -29,7 +39,27 @@ public class VelocityEventListener implements EventListener<Player> {
      */
     @Subscribe
     public void onQuit(@NotNull DisconnectEvent e) {
-        quit(e.getPlayer().getUniqueId());
+        // Check if the player was actually connected to the server in the first place to avoid processing
+        // disconnect of an existing player who is still there (because players are mapped by UUID in TAB)
+        UUID id = players.remove(e.getPlayer());
+        if (id != null) quit(id);
+    }
+
+    /**
+     * Freezes Boss bar for 1.20.2+ players due to bug with adventure that causes disconnect
+     * on 1.20.5+ with "Network Protocol Error"
+     *
+     * @param   e
+     *          Event fired before player switches server for proper freezing
+     */
+    @Subscribe(order = PostOrder.LAST)
+    public void preConnect(@NotNull ServerPreConnectEvent e) {
+        if (e.getResult().isAllowed()) {
+            TabPlayer p = TAB.getInstance().getPlayer(e.getPlayer().getUniqueId());
+            if (p != null && p.getVersion().getNetworkId() >= ProtocolVersion.V1_20_2.getNetworkId()) {
+                p.getBossBar().freeze();
+            }
+        }
     }
 
     /**
@@ -46,6 +76,7 @@ public class VelocityEventListener implements EventListener<Player> {
         tab.getCPUManager().runTask(() -> {
             TabPlayer player = tab.getPlayer(e.getPlayer().getUniqueId());
             if (player == null) {
+                players.put(e.getPlayer(), e.getPlayer().getUniqueId());
                 tab.getFeatureManager().onJoin(createPlayer(e.getPlayer()));
             } else {
                 player.getScoreboard().freeze(); // Prevent server switch listeners from sending packets before re-registering objectives in onLoginPacket
@@ -97,4 +128,4 @@ public class VelocityEventListener implements EventListener<Player> {
     public TabPlayer createPlayer(@NotNull Player player) {
         return new VelocityTabPlayer((VelocityPlatform) TAB.getInstance().getPlatform(), player);
     }
-}
+}

velocity/src/main/java/me/neznamy/tab/platforms/velocity/VelocityPlatform.java

@@ -9,7 +9,6 @@ import me.neznamy.tab.platforms.velocity.features.VelocityRedisSupport;
 import me.neznamy.tab.platforms.velocity.hook.VelocityPremiumVanishHook;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.TabConstants;
-import me.neznamy.tab.shared.chat.EnumChatFormat;
 import me.neznamy.tab.shared.chat.TabComponent;
 import me.neznamy.tab.shared.features.injection.PipelineInjector;
 import me.neznamy.tab.shared.features.redis.RedisSupport;
@@ -18,6 +17,8 @@ import me.neznamy.tab.shared.hook.PremiumVanishHook;
 import me.neznamy.tab.shared.proxy.ProxyPlatform;
 import me.neznamy.tab.shared.util.ReflectionUtils;
 import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.logger.slf4j.ComponentLogger;
 import org.bstats.charts.SimplePie;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -32,6 +33,9 @@ public class VelocityPlatform extends ProxyPlatform {
     @NotNull
     private final VelocityTAB plugin;
 
+    /** Logger for components */
+    private static final ComponentLogger logger = ComponentLogger.logger("TAB");
+
     /** Plugin message channel */
     @Getter
     private final MinecraftChannelIdentifier MCI = MinecraftChannelIdentifier.from(TabConstants.PLUGIN_MESSAGE_CHANNEL_NAME);
@@ -68,12 +72,12 @@ public class VelocityPlatform extends ProxyPlatform {
 
     @Override
     public void logInfo(@NotNull TabComponent message) {
-        plugin.getLogger().info(message.toLegacyText());
+        logger.info(AdventureHook.toAdventureComponent(message, true));
     }
 
     @Override
     public void logWarn(@NotNull TabComponent message) {
-        plugin.getLogger().warn(EnumChatFormat.RED + message.toLegacyText());
+        logger.warn(Component.text("").color(NamedTextColor.RED).append(AdventureHook.toAdventureComponent(message, true)));
     }
 
     @Override

velocity/src/main/java/me/neznamy/tab/platforms/velocity/VelocityTAB.java

@@ -7,7 +7,6 @@ import com.velocitypowered.api.event.proxy.ProxyShutdownEvent;
 import com.velocitypowered.api.plugin.Plugin;
 import com.velocitypowered.api.plugin.annotation.DataDirectory;
 import com.velocitypowered.api.proxy.ProxyServer;
-import com.velocitypowered.api.proxy.player.TabList;
 import lombok.Getter;
 import me.neznamy.tab.shared.TAB;
 import me.neznamy.tab.shared.TabConstants;
@@ -18,7 +17,6 @@ import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 
 import java.nio.file.Path;
-import java.util.UUID;
 
 /**
  * Main class for Velocity.
@@ -54,9 +52,8 @@ public class VelocityTAB {
      */
     @Subscribe
     public void onProxyInitialization(@Nullable ProxyInitializeEvent event) {
-        if (!ReflectionUtils.methodExists(TabList.class, "getEntry", UUID.class)) {
-            logger.warn(EnumChatFormat.RED + "The plugin requires Velocity build #229 " +
-                    "(released on February 20th, 2023) and up to work.");
+        if (!ReflectionUtils.classExists("net.kyori.adventure.text.logger.slf4j.ComponentLogger")) {
+            logger.warn(EnumChatFormat.RED + "The plugin requires Velocity build #274 (released on October 12th, 2023) and up to work.");
             return;
         }
         TAB.create(new VelocityPlatform(this));

velocity/src/main/java/me/neznamy/tab/platforms/velocity/VelocityTabPlayer.java

@@ -65,7 +65,12 @@ public class VelocityTabPlayer extends ProxyTabPlayer {
     public TabList.Skin getSkin() {
         List<GameProfile.Property> properties = getPlayer().getGameProfile().getProperties();
         if (properties.isEmpty()) return null; //Offline mode
-        return new TabList.Skin(properties.get(0).getValue(), properties.get(0).getSignature());
+        for (GameProfile.Property property : properties) {
+            if (property.getName().equals(TabList.TEXTURES_PROPERTY)) {
+                return new TabList.Skin(property.getValue(), property.getSignature());
+            }
+        }
+        return null;
     }
     
     @Override