Generators

See https://github.com/PaperMC/Paper/pull/12241/

.editorconfig

@@ -1,32 +1,34 @@
+root = true
+
 [*]
-charset=utf-8
-end_of_line=lf
-insert_final_newline=true
-indent_style=space
-indent_size=4
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
 ij_any_block_comment_add_space = false
 ij_any_block_comment_at_first_column = false
 ij_any_line_comment_at_first_column = false
 ij_any_line_comment_add_space = true
 
 [*.tiny]
-indent_style=tab
+indent_style = tab
 
 [*.bat]
-end_of_line=crlf
+end_of_line = crlf
 
 [*.yml]
-indent_size=2
+indent_size = 2
 
 [*.patch]
-trim_trailing_whitespace=false
+trim_trailing_whitespace = false
 
 [*.java]
 ij_continuation_indent_size = 4
 ij_java_class_count_to_use_import_on_demand = 999999
 ij_java_insert_inner_class_imports = false
 ij_java_names_count_to_use_import_on_demand = 999999
-ij_java_imports_layout = *,|,$*
+ij_java_imports_layout = *, |, $*
 ij_java_generate_final_locals = true
 ij_java_generate_final_parameters = true
 ij_java_method_parameters_new_line_after_left_paren = true
@@ -40,5 +42,5 @@ ij_java_use_fq_class_names = true
 [paper-server/src/minecraft/resources/data/**/*.json]
 indent_size = 2
 
-[paper-api-generator/generated/**/*.java]
-ij_java_imports_layout = $*,|,*
+[paper-{server,api}/src/generated/java/**/*.java]
+ij_java_imports_layout = $*, |, *

.gitignore

@@ -45,7 +45,7 @@ logs/
 !gradle/wrapper/gradle-wrapper.jar
 
 test-plugin.settings.gradle.kts
-paper-api-generator.settings.gradle.kts
+paper-generator.settings.gradle.kts
 
 # Don't track patched vanilla submodules
 paper-server/src/minecraft/

CONTRIBUTING.md

@@ -208,7 +208,8 @@ required.
   with `// Paper end - <COMMIT DESCRIPTION>`.
 - One-line changes should have `// Paper - <COMMIT DESCRIPTION>` at the end of the line.
 
-> [!NOTE] These comments are incredibly important to be able to keep track of changes
+> [!NOTE]
+> These comments are incredibly important to be able to keep track of changes
 > across files and to remember what they are for, even a decade into the future.
 
 Here's an example of how to mark changes by Paper:

build-data/paper.at

@@ -186,6 +186,7 @@ public net.minecraft.world.entity.Entity getEncodeId()Ljava/lang/String;
 public net.minecraft.world.entity.Entity getFireImmuneTicks()I
 public net.minecraft.world.entity.Entity getSharedFlag(I)Z
 public net.minecraft.world.entity.Entity hasVisualFire
+public net.minecraft.world.entity.Entity isAffectedByBlocks()Z
 public net.minecraft.world.entity.Entity isInBubbleColumn()Z
 public net.minecraft.world.entity.Entity isInRain()Z
 public net.minecraft.world.entity.Entity isInvulnerableToBase(Lnet/minecraft/world/damagesource/DamageSource;)Z
@@ -504,6 +505,7 @@ public net.minecraft.world.item.ItemStackLinkedSet TYPE_AND_TAG
 public net.minecraft.world.item.JukeboxSongPlayer song
 public net.minecraft.world.item.MapItem createNewSavedData(Lnet/minecraft/world/level/Level;IIIZZLnet/minecraft/resources/ResourceKey;)Lnet/minecraft/world/level/saveddata/maps/MapId;
 public net.minecraft.world.item.StandingAndWallBlockItem wallBlock
+public net.minecraft.world.item.component.BundleContents$Mutable getMaxAmountToAdd(Lnet/minecraft/world/item/ItemStack;)I
 public net.minecraft.world.item.component.ItemContainerContents MAX_SIZE
 public net.minecraft.world.item.component.ItemContainerContents items
 public net.minecraft.world.item.context.UseOnContext <init>(Lnet/minecraft/world/level/Level;Lnet/minecraft/world/entity/player/Player;Lnet/minecraft/world/InteractionHand;Lnet/minecraft/world/item/ItemStack;Lnet/minecraft/world/phys/BlockHitResult;)V
@@ -623,9 +625,16 @@ public net.minecraft.world.level.block.entity.TheEndGatewayBlockEntity exitPorta
 public net.minecraft.world.level.block.entity.TrialSpawnerBlockEntity trialSpawner
 public net.minecraft.world.level.block.entity.trialspawner.TrialSpawner isOminous
 public net.minecraft.world.level.block.entity.trialspawner.TrialSpawner stateAccessor
+public net.minecraft.world.level.block.entity.trialspawner.TrialSpawnerData cooldownEndsAt
 public net.minecraft.world.level.block.entity.trialspawner.TrialSpawnerData currentMobs
 public net.minecraft.world.level.block.entity.trialspawner.TrialSpawnerData detectedPlayers
+public net.minecraft.world.level.block.entity.trialspawner.TrialSpawnerData nextMobSpawnsAt
 public net.minecraft.world.level.block.entity.trialspawner.TrialSpawnerData nextSpawnData
+public net.minecraft.world.level.block.entity.vault.VaultBlockEntity serverData
+public net.minecraft.world.level.block.entity.vault.VaultServerData getRewardedPlayers()Ljava/util/Set;
+public net.minecraft.world.level.block.entity.vault.VaultServerData pauseStateUpdatingUntil(J)V
+public net.minecraft.world.level.block.entity.vault.VaultServerData stateUpdatingResumesAt()J
+public net.minecraft.world.level.block.entity.vault.VaultSharedData getConnectedPlayers()Ljava/util/Set;
 public net.minecraft.world.level.block.state.BlockBehaviour getMenuProvider(Lnet/minecraft/world/level/block/state/BlockState;Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;)Lnet/minecraft/world/MenuProvider;
 public net.minecraft.world.level.block.state.BlockBehaviour hasCollision
 public net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase destroySpeed
@@ -724,6 +733,7 @@ public-f net.minecraft.world.item.trading.MerchantOffer rewardExp
 public-f net.minecraft.world.item.trading.MerchantOffer xp
 public-f net.minecraft.world.level.LevelSettings hardcore
 public-f net.minecraft.world.level.LevelSettings levelName
+public-f net.minecraft.world.level.block.ChestBlock MENU_PROVIDER_COMBINER
 public-f net.minecraft.world.level.block.entity.BannerBlockEntity baseColor
 public-f net.minecraft.world.level.block.entity.trialspawner.TrialSpawner normalConfig
 public-f net.minecraft.world.level.block.entity.trialspawner.TrialSpawner ominousConfig

build.gradle.kts

@@ -12,7 +12,7 @@ import java.nio.file.Path
 import kotlin.random.Random
 
 plugins {
-    id("io.papermc.paperweight.core") version "2.0.0-beta.10" apply false
+    id("io.papermc.paperweight.core") version "2.0.0-beta.14" apply false
 }
 
 subprojects {

paper-api-generator/build.gradle.kts

@@ -1,37 +0,0 @@
-import io.papermc.paperweight.util.defaultJavaLauncher
-
-plugins {
-    java
-    id("io.papermc.paperweight.source-generator")
-}
-
-paperweight {
-    atFile.set(layout.projectDirectory.file("wideners.at"))
-}
-
-dependencies {
-    minecraftJar(project(":paper-server", "mappedJarOutgoing"))
-    implementation(project(":paper-server", "macheMinecraftLibraries"))
-
-    implementation("com.squareup:javapoet:1.13.0")
-    implementation(project(":paper-api"))
-    implementation("io.github.classgraph:classgraph:4.8.47")
-    implementation("org.jetbrains:annotations:26.0.1")
-    testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
-    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
-}
-
-tasks.register<JavaExec>("generate") {
-    dependsOn(tasks.check)
-    mainClass.set("io.papermc.generator.Main")
-    classpath(sourceSets.main.map { it.runtimeClasspath })
-    args(projectDir.toPath().resolve("generated").toString())
-    javaLauncher = javaToolchains.defaultJavaLauncher(project)
-}
-
-tasks.test {
-    useJUnitPlatform()
-}
-
-group = "io.papermc.paper"
-version = "1.0-SNAPSHOT"

paper-api-generator/src/main/java/io/papermc/generator/Generators.java

@@ -1,96 +0,0 @@
-package io.papermc.generator;
-
-import io.papermc.generator.types.GeneratedKeyType;
-import io.papermc.generator.types.GeneratedTagKeyType;
-import io.papermc.generator.types.SourceGenerator;
-import io.papermc.generator.types.goal.MobGoalGenerator;
-import io.papermc.paper.registry.RegistryKey;
-import net.minecraft.core.Registry;
-import net.minecraft.core.registries.Registries;
-import net.minecraft.resources.ResourceKey;
-import org.bukkit.Art;
-import org.bukkit.Fluid;
-import org.bukkit.GameEvent;
-import org.bukkit.JukeboxSong;
-import org.bukkit.MusicInstrument;
-import org.bukkit.Sound;
-import org.bukkit.attribute.Attribute;
-import org.bukkit.block.Biome;
-import org.bukkit.block.BlockType;
-import org.bukkit.block.banner.PatternType;
-import org.bukkit.damage.DamageType;
-import org.bukkit.enchantments.Enchantment;
-import org.bukkit.entity.Cat;
-import org.bukkit.entity.EntityType;
-import org.bukkit.entity.Frog;
-import org.bukkit.entity.Villager;
-import org.bukkit.entity.Wolf;
-import org.bukkit.generator.structure.Structure;
-import org.bukkit.generator.structure.StructureType;
-import org.bukkit.inventory.ItemType;
-import org.bukkit.inventory.MenuType;
-import org.bukkit.inventory.meta.trim.TrimMaterial;
-import org.bukkit.inventory.meta.trim.TrimPattern;
-import org.bukkit.map.MapCursor;
-import org.bukkit.potion.PotionEffectType;
-
-public interface Generators {
-
-    SourceGenerator[] API = {
-        // built-ins
-        simpleKey("GameEventKeys", GameEvent.class, Registries.GAME_EVENT, RegistryKey.GAME_EVENT, true),
-        simpleKey("StructureTypeKeys", StructureType.class, Registries.STRUCTURE_TYPE, RegistryKey.STRUCTURE_TYPE, false),
-        simpleKey("MobEffectKeys", PotionEffectType.class, Registries.MOB_EFFECT, RegistryKey.MOB_EFFECT, false),
-        simpleKey("BlockTypeKeys", BlockType.class, Registries.BLOCK, RegistryKey.BLOCK, false),
-        simpleKey("ItemTypeKeys", ItemType.class, Registries.ITEM, RegistryKey.ITEM, false),
-        simpleKey("CatVariantKeys", Cat.Type.class, Registries.CAT_VARIANT, RegistryKey.CAT_VARIANT, false),
-        simpleKey("FrogVariantKeys", Frog.Variant.class, Registries.FROG_VARIANT, RegistryKey.FROG_VARIANT, false),
-        simpleKey("VillagerProfessionKeys", Villager.Profession.class, Registries.VILLAGER_PROFESSION, RegistryKey.VILLAGER_PROFESSION, false),
-        simpleKey("VillagerTypeKeys", Villager.Type.class, Registries.VILLAGER_TYPE, RegistryKey.VILLAGER_TYPE, false),
-        simpleKey("MapDecorationTypeKeys", MapCursor.Type.class, Registries.MAP_DECORATION_TYPE, RegistryKey.MAP_DECORATION_TYPE, false),
-        simpleKey("MenuTypeKeys", MenuType.class, Registries.MENU, RegistryKey.MENU, false),
-        simpleKey("AttributeKeys", Attribute.class, Registries.ATTRIBUTE, RegistryKey.ATTRIBUTE, false),
-        simpleKey("FluidKeys", Fluid.class, Registries.FLUID, RegistryKey.FLUID, false),
-        simpleKey("SoundEventKeys", Sound.class, Registries.SOUND_EVENT, RegistryKey.SOUND_EVENT, false),
-
-        // data-driven
-        simpleKey("BiomeKeys", Biome.class, Registries.BIOME, RegistryKey.BIOME, true),
-        simpleKey("StructureKeys", Structure.class, Registries.STRUCTURE, RegistryKey.STRUCTURE, true),
-        simpleKey("TrimMaterialKeys", TrimMaterial.class, Registries.TRIM_MATERIAL, RegistryKey.TRIM_MATERIAL, true),
-        simpleKey("TrimPatternKeys", TrimPattern.class, Registries.TRIM_PATTERN, RegistryKey.TRIM_PATTERN, true),
-        simpleKey("DamageTypeKeys", DamageType.class, Registries.DAMAGE_TYPE, RegistryKey.DAMAGE_TYPE, true),
-        simpleKey("WolfVariantKeys", Wolf.Variant.class, Registries.WOLF_VARIANT, RegistryKey.WOLF_VARIANT, true),
-        simpleKey("EnchantmentKeys", Enchantment.class, Registries.ENCHANTMENT, RegistryKey.ENCHANTMENT, true),
-        simpleKey("JukeboxSongKeys", JukeboxSong.class, Registries.JUKEBOX_SONG, RegistryKey.JUKEBOX_SONG, true),
-        simpleKey("BannerPatternKeys", PatternType.class, Registries.BANNER_PATTERN, RegistryKey.BANNER_PATTERN, true),
-        simpleKey("PaintingVariantKeys", Art.class, Registries.PAINTING_VARIANT, RegistryKey.PAINTING_VARIANT, true),
-        simpleKey("InstrumentKeys", MusicInstrument.class, Registries.INSTRUMENT, RegistryKey.INSTRUMENT, true),
-
-        // tags
-        simpleTagKey("GameEventTagKeys", GameEvent.class, Registries.GAME_EVENT, RegistryKey.GAME_EVENT),
-        simpleTagKey("BlockTypeTagKeys", BlockType.class, Registries.BLOCK, RegistryKey.BLOCK),
-        simpleTagKey("ItemTypeTagKeys", ItemType.class, Registries.ITEM, RegistryKey.ITEM),
-        simpleTagKey("CatVariantTagKeys", Cat.Type.class, Registries.CAT_VARIANT, RegistryKey.CAT_VARIANT),
-        simpleTagKey("FluidTagKeys", Fluid.class, Registries.FLUID, RegistryKey.FLUID),
-
-        simpleTagKey("BiomeTagKeys", Biome.class, Registries.BIOME, RegistryKey.BIOME),
-        simpleTagKey("StructureTagKeys", Structure.class, Registries.STRUCTURE, RegistryKey.STRUCTURE),
-        simpleTagKey("DamageTypeTagKeys", DamageType.class, Registries.DAMAGE_TYPE, RegistryKey.DAMAGE_TYPE),
-        simpleTagKey("EnchantmentTagKeys", Enchantment.class, Registries.ENCHANTMENT, RegistryKey.ENCHANTMENT),
-        simpleTagKey("BannerPatternTagKeys", PatternType.class, Registries.BANNER_PATTERN, RegistryKey.BANNER_PATTERN),
-        simpleTagKey("PaintingVariantTagKeys", Art.class, Registries.PAINTING_VARIANT, RegistryKey.PAINTING_VARIANT),
-        simpleTagKey("InstrumentTagKeys", MusicInstrument.class, Registries.INSTRUMENT, RegistryKey.INSTRUMENT),
-
-        // api only
-        simpleTagKey("EntityTypeTagKeys", EntityType.class, Registries.ENTITY_TYPE, RegistryKey.ENTITY_TYPE),
-        new MobGoalGenerator("VanillaGoal", "com.destroystokyo.paper.entity.ai")
-    };
-
-    private static <T, A> SourceGenerator simpleKey(final String className, final Class<A> apiType, final ResourceKey<? extends Registry<T>> registryKey, final RegistryKey<A> apiRegistryKey, final boolean publicCreateKeyMethod) {
-        return new GeneratedKeyType<>(className, apiType, "io.papermc.paper.registry.keys", registryKey, apiRegistryKey, publicCreateKeyMethod);
-    }
-
-    private static <T, A> SourceGenerator simpleTagKey(final String className, final Class<A> apiType, final ResourceKey<? extends Registry<T>> registryKey, final RegistryKey<A> apiRegistryKey) {
-        return new GeneratedTagKeyType<>(className, apiType, "io.papermc.paper.registry.keys.tags", registryKey, apiRegistryKey, true);
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/Main.java

@@ -1,93 +0,0 @@
-package io.papermc.generator;
-
-import com.google.common.util.concurrent.MoreExecutors;
-import com.mojang.logging.LogUtils;
-import io.papermc.generator.types.SourceGenerator;
-import io.papermc.generator.utils.TagCollector;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.List;
-import java.util.Map;
-import net.minecraft.SharedConstants;
-import net.minecraft.commands.Commands;
-import net.minecraft.core.HolderLookup;
-import net.minecraft.core.LayeredRegistryAccess;
-import net.minecraft.core.Registry;
-import net.minecraft.core.RegistryAccess;
-import net.minecraft.resources.RegistryDataLoader;
-import net.minecraft.server.Bootstrap;
-import net.minecraft.server.RegistryLayer;
-import net.minecraft.server.ReloadableServerResources;
-import net.minecraft.server.packs.PackType;
-import net.minecraft.server.packs.repository.Pack;
-import net.minecraft.server.packs.repository.PackRepository;
-import net.minecraft.server.packs.repository.ServerPacksSource;
-import net.minecraft.server.packs.resources.MultiPackResourceManager;
-import net.minecraft.tags.TagKey;
-import net.minecraft.tags.TagLoader;
-import net.minecraft.world.flag.FeatureFlags;
-import org.apache.commons.io.file.PathUtils;
-import org.slf4j.Logger;
-
-public final class Main {
-
-    private static final Logger LOGGER = LogUtils.getLogger();
-    public static final RegistryAccess.Frozen REGISTRY_ACCESS;
-    public static final Map<TagKey<?>, String> EXPERIMENTAL_TAGS;
-
-    static {
-        SharedConstants.tryDetectVersion();
-        Bootstrap.bootStrap();
-        Bootstrap.validate();
-
-        final PackRepository resourceRepository = ServerPacksSource.createVanillaTrustedRepository();
-        resourceRepository.reload();
-        final MultiPackResourceManager resourceManager = new MultiPackResourceManager(PackType.SERVER_DATA, resourceRepository.getAvailablePacks().stream().map(Pack::open).toList());
-        LayeredRegistryAccess<RegistryLayer> layers = RegistryLayer.createRegistryAccess();
-        final List<Registry.PendingTags<?>> pendingTags = TagLoader.loadTagsForExistingRegistries(resourceManager, layers.getLayer(RegistryLayer.STATIC));
-        final List<HolderLookup.RegistryLookup<?>> worldGenLayer = TagLoader.buildUpdatedLookups(layers.getAccessForLoading(RegistryLayer.WORLDGEN), pendingTags);
-        final RegistryAccess.Frozen frozenWorldgenRegistries = RegistryDataLoader.load(resourceManager, worldGenLayer, RegistryDataLoader.WORLDGEN_REGISTRIES);
-        layers = layers.replaceFrom(RegistryLayer.WORLDGEN, frozenWorldgenRegistries);
-        REGISTRY_ACCESS = layers.compositeAccess().freeze();
-        final ReloadableServerResources reloadableServerResources = ReloadableServerResources.loadResources(
-            resourceManager,
-            layers,
-            pendingTags,
-            FeatureFlags.VANILLA_SET,
-            Commands.CommandSelection.DEDICATED,
-            0,
-            MoreExecutors.directExecutor(),
-            MoreExecutors.directExecutor()
-        ).join();
-        reloadableServerResources.updateStaticRegistryTags();
-        EXPERIMENTAL_TAGS = TagCollector.grabExperimental(resourceManager);
-    }
-
-    private Main() {
-    }
-
-    public static void main(final String[] args) {
-        LOGGER.info("Running API generators...");
-        generate(Paths.get(args[0]), Generators.API);
-        // LOGGER.info("Running Server generators...");
-        // generate(Paths.get(args[1]), Generators.SERVER);
-    }
-
-    private static void generate(Path output, SourceGenerator[] generators) {
-        try {
-            if (Files.exists(output)) {
-                PathUtils.deleteDirectory(output);
-            }
-            Files.createDirectories(output);
-
-            for (final SourceGenerator generator : generators) {
-                generator.writeToFile(output);
-            }
-
-            LOGGER.info("Files written to {}", output.toAbsolutePath());
-        } catch (final Exception ex) {
-            throw new RuntimeException(ex);
-        }
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/types/GeneratedKeyType.java

@@ -1,207 +0,0 @@
-package io.papermc.generator.types;
-
-import com.google.common.collect.Sets;
-import com.squareup.javapoet.FieldSpec;
-import com.squareup.javapoet.JavaFile;
-import com.squareup.javapoet.MethodSpec;
-import com.squareup.javapoet.ParameterSpec;
-import com.squareup.javapoet.ParameterizedTypeName;
-import com.squareup.javapoet.TypeName;
-import com.squareup.javapoet.TypeSpec;
-import io.papermc.generator.Main;
-import io.papermc.generator.utils.Annotations;
-import io.papermc.generator.utils.CollectingContext;
-import io.papermc.generator.utils.Formatting;
-import io.papermc.generator.utils.Javadocs;
-import io.papermc.paper.registry.RegistryKey;
-import io.papermc.paper.registry.TypedKey;
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.IdentityHashMap;
-import java.util.Map;
-import java.util.Set;
-import java.util.stream.Collectors;
-import javax.lang.model.SourceVersion;
-import net.kyori.adventure.key.Key;
-import net.minecraft.core.Holder;
-import net.minecraft.core.HolderLookup;
-import net.minecraft.core.Registry;
-import net.minecraft.core.RegistrySetBuilder;
-import net.minecraft.core.registries.Registries;
-import net.minecraft.data.registries.VanillaRegistries;
-import net.minecraft.resources.ResourceKey;
-import net.minecraft.world.flag.FeatureElement;
-import net.minecraft.world.flag.FeatureFlags;
-import org.bukkit.MinecraftExperimental;
-import org.checkerframework.checker.nullness.qual.NonNull;
-import org.checkerframework.checker.nullness.qual.Nullable;
-import org.checkerframework.framework.qual.DefaultQualifier;
-
-import static com.squareup.javapoet.TypeSpec.classBuilder;
-import static io.papermc.generator.utils.Annotations.EXPERIMENTAL_API_ANNOTATION;
-import static io.papermc.generator.utils.Annotations.experimentalAnnotations;
-import static java.util.Objects.requireNonNull;
-import static javax.lang.model.element.Modifier.FINAL;
-import static javax.lang.model.element.Modifier.PRIVATE;
-import static javax.lang.model.element.Modifier.PUBLIC;
-import static javax.lang.model.element.Modifier.STATIC;
-
-@DefaultQualifier(NonNull.class)
-public class GeneratedKeyType<T, A> extends SimpleGenerator {
-
-    private static final Map<ResourceKey<? extends Registry<?>>, RegistrySetBuilder.RegistryBootstrap<?>> VANILLA_REGISTRY_ENTRIES = VanillaRegistries.BUILDER.entries.stream()
-            .collect(Collectors.toMap(RegistrySetBuilder.RegistryStub::key, RegistrySetBuilder.RegistryStub::bootstrap));
-
-    private static final Map<ResourceKey<? extends Registry<?>>, RegistrySetBuilder.RegistryBootstrap<?>> EXPERIMENTAL_REGISTRY_ENTRIES = Map.of(); // Update for Experimental API
-    private static final Map<RegistryKey<?>, String> REGISTRY_KEY_FIELD_NAMES;
-    static {
-        final Map<RegistryKey<?>, String> map = new HashMap<>();
-        try {
-            for (final Field field : RegistryKey.class.getFields()) {
-                if (!Modifier.isStatic(field.getModifiers()) || !Modifier.isFinal(field.getModifiers()) || field.getType() != RegistryKey.class) {
-                    continue;
-                }
-                map.put((RegistryKey<?>) field.get(null), field.getName());
-            }
-            REGISTRY_KEY_FIELD_NAMES = Map.copyOf(map);
-        } catch (final ReflectiveOperationException ex) {
-            throw new RuntimeException(ex);
-        }
-    }
-
-    private static final String CREATE_JAVADOC = """
-        Creates a key for {@link $T} in the registry {@code $L}.
-        
-        @param key the value's key in the registry
-        @return a new typed key
-        """;
-
-    private final Class<A> apiType;
-    private final ResourceKey<? extends Registry<T>> registryKey;
-    private final RegistryKey<A> apiRegistryKey;
-    private final boolean publicCreateKeyMethod;
-
-    public GeneratedKeyType(final String keysClassName, final Class<A> apiType, final String pkg, final ResourceKey<? extends Registry<T>> registryKey, final RegistryKey<A> apiRegistryKey, final boolean publicCreateKeyMethod) {
-        super(keysClassName, pkg);
-        this.apiType = apiType;
-        this.registryKey = registryKey;
-        this.apiRegistryKey = apiRegistryKey;
-        this.publicCreateKeyMethod = publicCreateKeyMethod;
-    }
-
-    private MethodSpec.Builder createMethod(final TypeName returnType) {
-        final TypeName keyType = TypeName.get(Key.class);
-
-        final ParameterSpec keyParam = ParameterSpec.builder(keyType, "key", FINAL).build();
-        final MethodSpec.Builder create = MethodSpec.methodBuilder("create")
-            .addModifiers(this.publicCreateKeyMethod ? PUBLIC : PRIVATE, STATIC)
-            .addParameter(keyParam)
-            .addCode("return $T.create($T.$L, $N);", TypedKey.class, RegistryKey.class, requireNonNull(REGISTRY_KEY_FIELD_NAMES.get(this.apiRegistryKey), "Missing field for " + this.apiRegistryKey), keyParam)
-            .returns(returnType);
-        if (this.publicCreateKeyMethod) {
-            create.addAnnotation(EXPERIMENTAL_API_ANNOTATION); // TODO remove once not experimental
-            create.addJavadoc(CREATE_JAVADOC, this.apiType, this.registryKey.location().toString());
-        }
-        return create;
-    }
-
-    private TypeSpec.Builder keyHolderType() {
-        return classBuilder(this.className)
-            .addModifiers(PUBLIC, FINAL)
-            .addJavadoc(Javadocs.getVersionDependentClassHeader("{@link $T#$L}"), RegistryKey.class, REGISTRY_KEY_FIELD_NAMES.get(this.apiRegistryKey))
-            .addAnnotations(Annotations.CLASS_HEADER)
-            .addMethod(MethodSpec.constructorBuilder()
-                .addModifiers(PRIVATE)
-                .build()
-            );
-    }
-
-    @Deprecated
-    private static final Map<String, String> JUKEBOX_SONG_NAMES = Map.of(
-        "5", "FIVE",
-        "11", "ELEVEN",
-        "13", "THIRTEEN"
-    );
-
-    @Override
-    protected TypeSpec getTypeSpec() {
-        final TypeName typedKey = ParameterizedTypeName.get(TypedKey.class, this.apiType);
-
-        final TypeSpec.Builder typeBuilder = this.keyHolderType();
-        final MethodSpec.Builder createMethod = this.createMethod(typedKey);
-
-        final Registry<T> registry = Main.REGISTRY_ACCESS.lookupOrThrow(this.registryKey);
-        final Set<ResourceKey<T>> experimental = this.collectExperimentalKeys(registry);
-
-        boolean allExperimental = true;
-        for (final Holder.Reference<T> reference : registry.listElements().sorted(Formatting.alphabeticKeyOrder(reference -> reference.key().location().getPath())).toList()) {
-            final ResourceKey<T> key = reference.key();
-            final String keyPath = key.location().getPath();
-            String fieldName = Formatting.formatKeyAsField(keyPath);
-            if (!SourceVersion.isIdentifier(fieldName) && this.registryKey.equals(Registries.JUKEBOX_SONG) && JUKEBOX_SONG_NAMES.containsKey(fieldName)) {
-                fieldName = JUKEBOX_SONG_NAMES.get(fieldName);
-            }
-
-            final FieldSpec.Builder fieldBuilder = FieldSpec.builder(typedKey, fieldName, PUBLIC, STATIC, FINAL)
-                .initializer("$N(key($S))", createMethod.build(), keyPath)
-                .addJavadoc(Javadocs.getVersionDependentField("{@code $L}"), key.location().toString());
-            if (experimental.contains(key)) {
-                fieldBuilder.addAnnotations(experimentalAnnotations(null)); // Update for Experimental API
-            } else {
-                allExperimental = false;
-            }
-            typeBuilder.addField(fieldBuilder.build());
-        }
-        if (allExperimental) {
-            typeBuilder.addAnnotations(experimentalAnnotations(null)); // Update for Experimental API
-            createMethod.addAnnotations(experimentalAnnotations(null)); // Update for Experimental API
-        } else {
-            typeBuilder.addAnnotation(EXPERIMENTAL_API_ANNOTATION); // TODO experimental API
-        }
-        return typeBuilder.addMethod(createMethod.build()).build();
-    }
-
-    // todo at some point this should be per feature data pack not all merged
-    private Set<ResourceKey<T>> collectExperimentalKeys(final Registry<T> registry) {
-        if (FeatureElement.FILTERED_REGISTRIES.contains(registry.key())) {
-            return this.collectExperimentalKeysBuiltIn(registry);
-        } else {
-            return this.collectExperimentalKeysDataDriven(registry);
-        }
-    }
-
-    private Set<ResourceKey<T>> collectExperimentalKeysBuiltIn(final Registry<T> registry) {
-        final HolderLookup.RegistryLookup<T> filteredLookup = registry.filterElements(v -> {
-            return v instanceof final FeatureElement featureElement && FeatureFlags.isExperimental(featureElement.requiredFeatures()); // Update for Experimental API
-        });
-        return filteredLookup.listElementIds().collect(Collectors.toUnmodifiableSet());
-    }
-
-    @SuppressWarnings("unchecked")
-    private Set<ResourceKey<T>> collectExperimentalKeysDataDriven(final Registry<T> registry) {
-        final RegistrySetBuilder.@Nullable RegistryBootstrap<T> experimentalBootstrap = (RegistrySetBuilder.RegistryBootstrap<T>) EXPERIMENTAL_REGISTRY_ENTRIES.get(this.registryKey);
-        if (experimentalBootstrap == null) {
-            return Collections.emptySet();
-        }
-        final Set<ResourceKey<T>> experimental = Collections.newSetFromMap(new IdentityHashMap<>());
-        final CollectingContext<T> experimentalCollector = new CollectingContext<>(experimental, registry);
-        experimentalBootstrap.run(experimentalCollector);
-
-        final RegistrySetBuilder.@Nullable RegistryBootstrap<T> vanillaBootstrap = (RegistrySetBuilder.RegistryBootstrap<T>) VANILLA_REGISTRY_ENTRIES.get(this.registryKey);
-        if (vanillaBootstrap != null) {
-            final Set<ResourceKey<T>> vanilla = Collections.newSetFromMap(new IdentityHashMap<>());
-            final CollectingContext<T> vanillaCollector = new CollectingContext<>(vanilla, registry);
-            vanillaBootstrap.run(vanillaCollector);
-            return Sets.difference(experimental, vanilla);
-        }
-        return experimental;
-    }
-
-    @Override
-    protected JavaFile.Builder file(final JavaFile.Builder builder) {
-        return builder
-            .addStaticImport(Key.class, "key");
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/types/GeneratedTagKeyType.java

@@ -1,138 +0,0 @@
-package io.papermc.generator.types;
-
-import com.squareup.javapoet.FieldSpec;
-import com.squareup.javapoet.JavaFile;
-import com.squareup.javapoet.MethodSpec;
-import com.squareup.javapoet.ParameterSpec;
-import com.squareup.javapoet.ParameterizedTypeName;
-import com.squareup.javapoet.TypeName;
-import com.squareup.javapoet.TypeSpec;
-import io.papermc.generator.Main;
-import io.papermc.generator.utils.Annotations;
-import io.papermc.generator.utils.Formatting;
-import io.papermc.generator.utils.Javadocs;
-import io.papermc.paper.registry.RegistryKey;
-import io.papermc.paper.registry.tag.TagKey;
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicBoolean;
-import net.kyori.adventure.key.Key;
-import net.minecraft.core.Registry;
-import net.minecraft.resources.ResourceKey;
-import org.bukkit.MinecraftExperimental;
-
-import static com.squareup.javapoet.TypeSpec.classBuilder;
-import static io.papermc.generator.utils.Annotations.EXPERIMENTAL_API_ANNOTATION;
-import static io.papermc.generator.utils.Annotations.experimentalAnnotations;
-import static java.util.Objects.requireNonNull;
-import static javax.lang.model.element.Modifier.FINAL;
-import static javax.lang.model.element.Modifier.PRIVATE;
-import static javax.lang.model.element.Modifier.PUBLIC;
-import static javax.lang.model.element.Modifier.STATIC;
-
-public class GeneratedTagKeyType<T, A> extends SimpleGenerator {
-
-    private static final Map<RegistryKey<?>, String> REGISTRY_KEY_FIELD_NAMES;
-    static {
-        final Map<RegistryKey<?>, String> map = new HashMap<>();
-        try {
-            for (final Field field : RegistryKey.class.getFields()) {
-                if (!Modifier.isStatic(field.getModifiers()) || !Modifier.isFinal(field.getModifiers()) || field.getType() != RegistryKey.class) {
-                    continue;
-                }
-                map.put((RegistryKey<?>) field.get(null), field.getName());
-            }
-            REGISTRY_KEY_FIELD_NAMES = Map.copyOf(map);
-        } catch (final ReflectiveOperationException ex) {
-            throw new RuntimeException(ex);
-        }
-    }
-
-    private static final String CREATE_JAVADOC = """
-        Creates a tag key for {@link $T} in the registry {@code $L}.
-        
-        @param key the tag key's key
-        @return a new tag key
-        """;
-
-    private final Class<A> apiType;
-    private final ResourceKey<? extends Registry<T>> registryKey;
-    private final RegistryKey<A> apiRegistryKey;
-    private final boolean publicCreateKeyMethod;
-
-    public GeneratedTagKeyType(final String keysClassName, final Class<A> apiType, final String pkg, final ResourceKey<? extends Registry<T>> registryKey, final RegistryKey<A> apiRegistryKey, final boolean publicCreateKeyMethod) {
-        super(keysClassName, pkg);
-        this.apiType = apiType;
-        this.registryKey = registryKey;
-        this.apiRegistryKey = apiRegistryKey;
-        this.publicCreateKeyMethod = publicCreateKeyMethod;
-    }
-
-    private MethodSpec.Builder createMethod(final TypeName returnType) {
-        final TypeName keyType = TypeName.get(Key.class);
-
-        final ParameterSpec keyParam = ParameterSpec.builder(keyType, "key", FINAL).build();
-        final MethodSpec.Builder create = MethodSpec.methodBuilder("create")
-            .addModifiers(this.publicCreateKeyMethod ? PUBLIC : PRIVATE, STATIC)
-            .addParameter(keyParam)
-            .addCode("return $T.create($T.$L, $N);", TagKey.class, RegistryKey.class, requireNonNull(REGISTRY_KEY_FIELD_NAMES.get(this.apiRegistryKey), "Missing field for " + this.apiRegistryKey), keyParam)
-            .returns(returnType);
-        if (this.publicCreateKeyMethod) {
-            create.addAnnotation(EXPERIMENTAL_API_ANNOTATION); // TODO remove once not experimental
-            create.addJavadoc(CREATE_JAVADOC, this.apiType, this.registryKey.location().toString());
-        }
-        return create;
-    }
-
-    private TypeSpec.Builder keyHolderType() {
-        return classBuilder(this.className)
-            .addModifiers(PUBLIC, FINAL)
-            .addJavadoc(Javadocs.getVersionDependentClassHeader("{@link $T#$L}"), RegistryKey.class, REGISTRY_KEY_FIELD_NAMES.get(this.apiRegistryKey))
-            .addAnnotations(Annotations.CLASS_HEADER)
-            .addMethod(MethodSpec.constructorBuilder()
-                .addModifiers(PRIVATE)
-                .build()
-            );
-    }
-
-    @Override
-    protected TypeSpec getTypeSpec() {
-        final TypeName tagKey = ParameterizedTypeName.get(TagKey.class, this.apiType);
-
-        final TypeSpec.Builder typeBuilder = this.keyHolderType();
-        final MethodSpec.Builder createMethod = this.createMethod(tagKey);
-
-        final Registry<T> registry = Main.REGISTRY_ACCESS.lookupOrThrow(this.registryKey);
-
-        final AtomicBoolean allExperimental = new AtomicBoolean(true);
-        registry.listTagIds().sorted(Formatting.alphabeticKeyOrder(nmsTagKey -> nmsTagKey.location().getPath())).forEach(nmsTagKey -> {
-            final String fieldName = Formatting.formatKeyAsField(nmsTagKey.location().getPath());
-            final FieldSpec.Builder fieldBuilder = FieldSpec.builder(tagKey, fieldName, PUBLIC, STATIC, FINAL)
-                .initializer("$N(key($S))", createMethod.build(), nmsTagKey.location().getPath())
-                .addJavadoc(Javadocs.getVersionDependentField("{@code $L}"), "#" + nmsTagKey.location());
-            final String featureFlagName = Main.EXPERIMENTAL_TAGS.get(nmsTagKey);
-            if (featureFlagName != null) {
-                fieldBuilder.addAnnotations(experimentalAnnotations(MinecraftExperimental.Requires.valueOf(featureFlagName.toUpperCase(Locale.ENGLISH)))); // Update for Experimental API
-            } else {
-                allExperimental.set(false);
-            }
-            typeBuilder.addField(fieldBuilder.build());
-        });
-        if (allExperimental.get()) {
-            typeBuilder.addAnnotations(experimentalAnnotations(null)); // Update for Experimental API
-            createMethod.addAnnotations(experimentalAnnotations(null)); // Update for Experimental API
-        } else {
-            typeBuilder.addAnnotation(EXPERIMENTAL_API_ANNOTATION); // TODO experimental API
-        }
-        return typeBuilder.addMethod(createMethod.build()).build();
-    }
-
-    @Override
-    protected JavaFile.Builder file(final JavaFile.Builder builder) {
-        return builder
-            .addStaticImport(Key.class, "key");
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/utils/Annotations.java

@@ -1,65 +0,0 @@
-package io.papermc.generator.utils;
-
-import com.squareup.javapoet.AnnotationSpec;
-import java.util.ArrayList;
-import java.util.List;
-
-import io.papermc.paper.generated.GeneratedFrom;
-import net.minecraft.SharedConstants;
-import org.bukkit.MinecraftExperimental;
-import org.jetbrains.annotations.ApiStatus;
-import org.jetbrains.annotations.Nullable;
-import org.jspecify.annotations.NullMarked;
-
-public final class Annotations {
-
-    public static List<AnnotationSpec> experimentalAnnotations(final MinecraftExperimental.@Nullable Requires requiredFeatureFlag) {
-        final List<AnnotationSpec> annotationSpecs = new ArrayList<>();
-        annotationSpecs.add(AnnotationSpec.builder(ApiStatus.Experimental.class).build());
-        if (requiredFeatureFlag != null) {
-            annotationSpecs.add(AnnotationSpec.builder(MinecraftExperimental.class)
-                .addMember("value", "$T.$L", MinecraftExperimental.Requires.class, requiredFeatureFlag.name())
-                .build());
-        } else {
-            annotationSpecs.add(AnnotationSpec.builder(MinecraftExperimental.class).build());
-        }
-        return annotationSpecs;
-    }
-
-    public static AnnotationSpec deprecatedVersioned(final @Nullable String version, final boolean forRemoval) {
-        final AnnotationSpec.Builder annotationSpec = AnnotationSpec.builder(Deprecated.class);
-        if (forRemoval) {
-            annotationSpec.addMember("forRemoval", "$L", true);
-        }
-        if (version != null) {
-            annotationSpec.addMember("since", "$S", version);
-        }
-
-        return annotationSpec.build();
-    }
-
-    public static AnnotationSpec scheduledRemoval(final @Nullable String version) {
-        return AnnotationSpec.builder(ApiStatus.ScheduledForRemoval.class)
-            .addMember("inVersion", "$S", version)
-            .build();
-    }
-
-    @ApiStatus.Experimental
-    public static final AnnotationSpec EXPERIMENTAL_API_ANNOTATION = AnnotationSpec.builder(ApiStatus.Experimental.class).build();
-    public static final AnnotationSpec NULL_MARKED = AnnotationSpec.builder(NullMarked.class).build();
-    private static final AnnotationSpec SUPPRESS_WARNINGS = AnnotationSpec.builder(SuppressWarnings.class)
-        .addMember("value", "$S", "unused")
-        .addMember("value", "$S", "SpellCheckingInspection")
-        .build();
-    private static final AnnotationSpec GENERATED_FROM = AnnotationSpec.builder(GeneratedFrom.class)
-        .addMember("value", "$S", SharedConstants.getCurrentVersion().getName())
-        .build();
-    public static final Iterable<AnnotationSpec> CLASS_HEADER = List.of(
-        SUPPRESS_WARNINGS,
-        GENERATED_FROM,
-        NULL_MARKED
-    );
-
-    private Annotations() {
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/utils/Formatting.java

@@ -1,59 +0,0 @@
-package io.papermc.generator.utils;
-
-import java.util.Optional;
-import org.apache.commons.lang3.math.NumberUtils;
-import java.util.Comparator;
-import java.util.Locale;
-import java.util.OptionalInt;
-import java.util.function.Function;
-import java.util.regex.Pattern;
-
-public final class Formatting {
-
-    private static final Pattern ILLEGAL_FIELD_CHARACTERS = Pattern.compile("[.-/]");
-
-    public static String formatKeyAsField(String path) {
-        return ILLEGAL_FIELD_CHARACTERS.matcher(path.toUpperCase(Locale.ROOT)).replaceAll("_");
-    }
-
-    public static Optional<String> formatTagKey(String tagDir, String resourcePath) {
-        int tagsIndex = resourcePath.indexOf(tagDir);
-        int dotIndex = resourcePath.lastIndexOf('.');
-        if (tagsIndex == -1 || dotIndex == -1) {
-            return Optional.empty();
-        }
-        return Optional.of(resourcePath.substring(tagsIndex + tagDir.length() + 1, dotIndex)); // namespace/tags/registry_key/[tag_key].json
-    }
-
-    public static Comparator<String> ALPHABETIC_KEY_ORDER = alphabeticKeyOrder(path -> path);
-
-    public static <T> Comparator<T> alphabeticKeyOrder(Function<T, String> mapper) {
-        return (o1, o2) -> {
-            String path1 = mapper.apply(o1);
-            String path2 = mapper.apply(o2);
-
-            OptionalInt trailingInt1 = tryParseTrailingInt(path1);
-            OptionalInt trailingInt2 = tryParseTrailingInt(path2);
-
-            if (trailingInt1.isPresent() && trailingInt2.isPresent()) {
-                return Integer.compare(trailingInt1.getAsInt(), trailingInt2.getAsInt());
-            }
-
-            return path1.compareTo(path2);
-        };
-    }
-
-    private static OptionalInt tryParseTrailingInt(String path) {
-        int delimiterIndex = path.lastIndexOf('_');
-        if (delimiterIndex != -1) {
-            String score = path.substring(delimiterIndex + 1);
-            if (NumberUtils.isDigits(score)) {
-                return OptionalInt.of(Integer.parseInt(score));
-            }
-        }
-        return OptionalInt.empty();
-    }
-
-    private Formatting() {
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/utils/Javadocs.java

@@ -1,27 +0,0 @@
-package io.papermc.generator.utils;
-
-public final class Javadocs {
-
-    public static String getVersionDependentClassHeader(String headerIdentifier) {
-        return """
-        Vanilla keys for %s.
-        
-        @apiNote The fields provided here are a direct representation of
-        what is available from the vanilla game source. They may be
-        changed (including removals) on any Minecraft version
-        bump, so cross-version compatibility is not provided on the
-        same level as it is on most of the other API.
-        """.formatted(headerIdentifier);
-    }
-
-    public static String getVersionDependentField(String headerIdentifier) {
-        return """
-        %s
-        
-        @apiNote This field is version-dependant and may be removed in future Minecraft versions
-        """.formatted(headerIdentifier);
-    }
-
-    private Javadocs() {
-    }
-}

paper-api-generator/src/main/java/io/papermc/generator/utils/TagCollector.java

@@ -1,79 +0,0 @@
-package io.papermc.generator.utils;
-
-import com.google.common.collect.HashMultimap;
-import com.google.common.collect.Multimap;
-import com.mojang.logging.LogUtils;
-import io.papermc.generator.Main;
-import java.util.Collections;
-import java.util.IdentityHashMap;
-import java.util.Map;
-import java.util.Set;
-import java.util.function.BiConsumer;
-import net.minecraft.core.Registry;
-import net.minecraft.core.RegistryAccess;
-import net.minecraft.core.registries.Registries;
-import net.minecraft.resources.ResourceKey;
-import net.minecraft.server.packs.PackResources;
-import net.minecraft.server.packs.PackType;
-import net.minecraft.server.packs.repository.BuiltInPackSource;
-import net.minecraft.server.packs.resources.MultiPackResourceManager;
-import net.minecraft.tags.TagKey;
-import org.slf4j.Logger;
-
-// collect all the tags by grabbing the json from the data-packs
-// another (probably) way is to hook into the data generator like the typed keys generator
-public final class TagCollector {
-
-    private static final Logger LOGGER = LogUtils.getLogger();
-
-    public static Map<TagKey<?>, String> grabExperimental(final MultiPackResourceManager resourceManager) {
-        Map<TagKey<?>, String> result = new IdentityHashMap<>();
-
-        // collect all vanilla tags
-        Multimap<ResourceKey<? extends Registry<?>>, String> vanillaTags = HashMultimap.create();
-        PackResources vanillaPack = resourceManager.listPacks()
-            .filter(packResources -> packResources.packId().equals(BuiltInPackSource.VANILLA_ID))
-            .findFirst()
-            .orElseThrow();
-        collectFromPack(vanillaPack, (entry, path) -> vanillaTags.put(entry.key(), path));
-
-        // then distinct with other data-pack tags to know for sure newly created tags and so experimental one
-        resourceManager.listPacks().forEach(pack -> {
-            String packId = pack.packId();
-            if (packId.equals(BuiltInPackSource.VANILLA_ID)) return;
-
-            collectFromPack(pack, (entry, path) -> {
-                if (vanillaTags.get(entry.key()).contains(path)) {
-                    return;
-                }
-
-                result.put(entry.value().listTagIds()
-                    .filter(tagKey -> tagKey.location().getPath().equals(path))
-                    .findFirst()
-                    .orElseThrow(), packId);
-            });
-        });
-        return Collections.unmodifiableMap(result);
-    }
-
-    private static void collectFromPack(PackResources pack, BiConsumer<RegistryAccess.RegistryEntry<?>, String> output) {
-        Set<String> namespaces = pack.getNamespaces(PackType.SERVER_DATA);
-
-        for (String namespace : namespaces) {
-            Main.REGISTRY_ACCESS.registries().forEach(entry -> {
-                // this is probably expensive but can't find another way around and data-pack loader has similar logic
-                // the issue is that registry key can have parent/key (and custom folder too) but tag key can also have parent/key so parsing become a mess
-                // without having at least one of the two values
-                String tagDir = Registries.tagsDirPath(entry.key());
-                pack.listResources(PackType.SERVER_DATA, namespace, tagDir, (id, supplier) -> {
-                    Formatting.formatTagKey(tagDir, id.getPath()).ifPresentOrElse(path -> output.accept(entry, path), () -> {
-                        LOGGER.warn("Unable to parse the path: {}/{}/{}.json in the data-pack {} into a tag key", namespace, tagDir, id.getPath(), pack.packId());
-                    });
-                });
-            });
-        }
-    }
-
-    private TagCollector() {
-    }
-}

paper-api/build.gradle.kts

@@ -93,16 +93,16 @@ dependencies {
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
 
-val generatedApiPath: java.nio.file.Path = rootProject.projectDir.toPath().resolve("paper-api-generator/generated")
+val generatedDir: java.nio.file.Path = layout.projectDirectory.dir("src/generated/java").asFile.toPath()
 idea {
     module {
-        generatedSourceDirs.add(generatedApiPath.toFile())
+        generatedSourceDirs.add(generatedDir.toFile())
     }
 }
 sourceSets {
     main {
         java {
-            srcDir(generatedApiPath)
+            srcDir(generatedDir)
         }
     }
 }
@@ -228,21 +228,23 @@ tasks.compileTestJava {
     options.compilerArgs.add("-parameters")
 }
 
-val scanJar = tasks.register("scanJarForBadCalls", io.papermc.paperweight.tasks.ScanJarForBadCalls::class) {
+val scanJarForBadCalls by tasks.registering(io.papermc.paperweight.tasks.ScanJarForBadCalls::class) {
     badAnnotations.add("Lio/papermc/paper/annotation/DoNotUse;")
     jarToScan.set(tasks.jar.flatMap { it.archiveFile })
     classpath.from(configurations.compileClasspath)
 }
 tasks.check {
-    dependsOn(scanJar)
+    dependsOn(scanJarForBadCalls)
 }
 
-val scanJarForOldGeneratedCode = tasks.register("scanJarForOldGeneratedCode", io.papermc.paperweight.tasks.ScanJarForOldGeneratedCode::class) {
-    mcVersion.set(providers.gradleProperty("mcVersion"))
-    annotation.set("Lio/papermc/paper/generated/GeneratedFrom;")
-    jarToScan.set(tasks.jar.flatMap { it.archiveFile })
-    classpath.from(configurations.compileClasspath)
-}
-tasks.check {
-    dependsOn(scanJarForOldGeneratedCode)
+if (providers.gradleProperty("updatingMinecraft").getOrElse("false").toBoolean()) {
+    val scanJarForOldGeneratedCode by tasks.registering(io.papermc.paperweight.tasks.ScanJarForOldGeneratedCode::class) {
+        mcVersion.set(providers.gradleProperty("mcVersion"))
+        annotation.set("Lio/papermc/paper/generated/GeneratedFrom;")
+        jarToScan.set(tasks.jar.flatMap { it.archiveFile })
+        classpath.from(configurations.compileClasspath)
+    }
+    tasks.check {
+        dependsOn(scanJarForOldGeneratedCode)
+    }
 }

paper-api/src/generated/java/com/destroystokyo/paper/entity/ai/VanillaGoal.java

@@ -66,8 +66,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 public interface VanillaGoal<T extends Mob> extends Goal<T> {
     GoalKey<AbstractHorse> RANDOM_STAND = create("random_stand", AbstractHorse.class);
 

paper-api/src/generated/java/io/papermc/paper/registry/keys/AttributeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.attribute.Attribute;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class AttributeKeys {
     /**
      * {@code minecraft:armor}

paper-api/src/generated/java/io/papermc/paper/registry/keys/BannerPatternKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.block.banner.PatternType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class BannerPatternKeys {
     /**
      * {@code minecraft:base}
@@ -332,12 +330,11 @@ public final class BannerPatternKeys {
     }
 
     /**
-     * Creates a key for {@link PatternType} in the registry {@code minecraft:banner_pattern}.
+     * Creates a typed key for {@link PatternType} in the registry {@code minecraft:banner_pattern}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<PatternType> create(final Key key) {
         return TypedKey.create(RegistryKey.BANNER_PATTERN, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/BiomeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.block.Biome;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class BiomeKeys {
     /**
      * {@code minecraft:badlands}
@@ -486,12 +484,11 @@ public final class BiomeKeys {
     }
 
     /**
-     * Creates a key for {@link Biome} in the registry {@code minecraft:worldgen/biome}.
+     * Creates a typed key for {@link Biome} in the registry {@code minecraft:worldgen/biome}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<Biome> create(final Key key) {
         return TypedKey.create(RegistryKey.BIOME, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/BlockTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.block.BlockType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class BlockTypeKeys {
     /**
      * {@code minecraft:acacia_button}

paper-api/src/generated/java/io/papermc/paper/registry/keys/CatVariantKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.entity.Cat;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class CatVariantKeys {
     /**
      * {@code minecraft:all_black}

paper-api/src/generated/java/io/papermc/paper/registry/keys/DamageTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.damage.DamageType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class DamageTypeKeys {
     /**
      * {@code minecraft:arrow}
@@ -374,12 +372,11 @@ public final class DamageTypeKeys {
     }
 
     /**
-     * Creates a key for {@link DamageType} in the registry {@code minecraft:damage_type}.
+     * Creates a typed key for {@link DamageType} in the registry {@code minecraft:damage_type}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<DamageType> create(final Key key) {
         return TypedKey.create(RegistryKey.DAMAGE_TYPE, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/DataComponentTypeKeys.java

@@ -0,0 +1,503 @@
+package io.papermc.paper.registry.keys;
+
+import static net.kyori.adventure.key.Key.key;
+
+import io.papermc.paper.datacomponent.DataComponentType;
+import io.papermc.paper.generated.GeneratedFrom;
+import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
+import net.kyori.adventure.key.Key;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Vanilla keys for {@link RegistryKey#DATA_COMPONENT_TYPE}.
+ *
+ * @apiNote The fields provided here are a direct representation of
+ * what is available from the vanilla game source. They may be
+ * changed (including removals) on any Minecraft version
+ * bump, so cross-version compatibility is not provided on the
+ * same level as it is on most of the other API.
+ */
+@SuppressWarnings({
+        "unused",
+        "SpellCheckingInspection"
+})
+@NullMarked
+@GeneratedFrom("1.21.4")
+public final class DataComponentTypeKeys {
+    /**
+     * {@code minecraft:attribute_modifiers}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ATTRIBUTE_MODIFIERS = create(key("attribute_modifiers"));
+
+    /**
+     * {@code minecraft:banner_patterns}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BANNER_PATTERNS = create(key("banner_patterns"));
+
+    /**
+     * {@code minecraft:base_color}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BASE_COLOR = create(key("base_color"));
+
+    /**
+     * {@code minecraft:bees}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BEES = create(key("bees"));
+
+    /**
+     * {@code minecraft:block_entity_data}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BLOCK_ENTITY_DATA = create(key("block_entity_data"));
+
+    /**
+     * {@code minecraft:block_state}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BLOCK_STATE = create(key("block_state"));
+
+    /**
+     * {@code minecraft:bucket_entity_data}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BUCKET_ENTITY_DATA = create(key("bucket_entity_data"));
+
+    /**
+     * {@code minecraft:bundle_contents}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> BUNDLE_CONTENTS = create(key("bundle_contents"));
+
+    /**
+     * {@code minecraft:can_break}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CAN_BREAK = create(key("can_break"));
+
+    /**
+     * {@code minecraft:can_place_on}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CAN_PLACE_ON = create(key("can_place_on"));
+
+    /**
+     * {@code minecraft:charged_projectiles}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CHARGED_PROJECTILES = create(key("charged_projectiles"));
+
+    /**
+     * {@code minecraft:consumable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CONSUMABLE = create(key("consumable"));
+
+    /**
+     * {@code minecraft:container}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CONTAINER = create(key("container"));
+
+    /**
+     * {@code minecraft:container_loot}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CONTAINER_LOOT = create(key("container_loot"));
+
+    /**
+     * {@code minecraft:creative_slot_lock}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CREATIVE_SLOT_LOCK = create(key("creative_slot_lock"));
+
+    /**
+     * {@code minecraft:custom_data}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CUSTOM_DATA = create(key("custom_data"));
+
+    /**
+     * {@code minecraft:custom_model_data}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CUSTOM_MODEL_DATA = create(key("custom_model_data"));
+
+    /**
+     * {@code minecraft:custom_name}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> CUSTOM_NAME = create(key("custom_name"));
+
+    /**
+     * {@code minecraft:damage}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> DAMAGE = create(key("damage"));
+
+    /**
+     * {@code minecraft:damage_resistant}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> DAMAGE_RESISTANT = create(key("damage_resistant"));
+
+    /**
+     * {@code minecraft:death_protection}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> DEATH_PROTECTION = create(key("death_protection"));
+
+    /**
+     * {@code minecraft:debug_stick_state}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> DEBUG_STICK_STATE = create(key("debug_stick_state"));
+
+    /**
+     * {@code minecraft:dyed_color}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> DYED_COLOR = create(key("dyed_color"));
+
+    /**
+     * {@code minecraft:enchantable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ENCHANTABLE = create(key("enchantable"));
+
+    /**
+     * {@code minecraft:enchantment_glint_override}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ENCHANTMENT_GLINT_OVERRIDE = create(key("enchantment_glint_override"));
+
+    /**
+     * {@code minecraft:enchantments}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ENCHANTMENTS = create(key("enchantments"));
+
+    /**
+     * {@code minecraft:entity_data}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ENTITY_DATA = create(key("entity_data"));
+
+    /**
+     * {@code minecraft:equippable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> EQUIPPABLE = create(key("equippable"));
+
+    /**
+     * {@code minecraft:firework_explosion}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> FIREWORK_EXPLOSION = create(key("firework_explosion"));
+
+    /**
+     * {@code minecraft:fireworks}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> FIREWORKS = create(key("fireworks"));
+
+    /**
+     * {@code minecraft:food}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> FOOD = create(key("food"));
+
+    /**
+     * {@code minecraft:glider}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> GLIDER = create(key("glider"));
+
+    /**
+     * {@code minecraft:hide_additional_tooltip}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> HIDE_ADDITIONAL_TOOLTIP = create(key("hide_additional_tooltip"));
+
+    /**
+     * {@code minecraft:hide_tooltip}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> HIDE_TOOLTIP = create(key("hide_tooltip"));
+
+    /**
+     * {@code minecraft:instrument}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> INSTRUMENT = create(key("instrument"));
+
+    /**
+     * {@code minecraft:intangible_projectile}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> INTANGIBLE_PROJECTILE = create(key("intangible_projectile"));
+
+    /**
+     * {@code minecraft:item_model}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ITEM_MODEL = create(key("item_model"));
+
+    /**
+     * {@code minecraft:item_name}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> ITEM_NAME = create(key("item_name"));
+
+    /**
+     * {@code minecraft:jukebox_playable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> JUKEBOX_PLAYABLE = create(key("jukebox_playable"));
+
+    /**
+     * {@code minecraft:lock}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> LOCK = create(key("lock"));
+
+    /**
+     * {@code minecraft:lodestone_tracker}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> LODESTONE_TRACKER = create(key("lodestone_tracker"));
+
+    /**
+     * {@code minecraft:lore}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> LORE = create(key("lore"));
+
+    /**
+     * {@code minecraft:map_color}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAP_COLOR = create(key("map_color"));
+
+    /**
+     * {@code minecraft:map_decorations}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAP_DECORATIONS = create(key("map_decorations"));
+
+    /**
+     * {@code minecraft:map_id}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAP_ID = create(key("map_id"));
+
+    /**
+     * {@code minecraft:map_post_processing}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAP_POST_PROCESSING = create(key("map_post_processing"));
+
+    /**
+     * {@code minecraft:max_damage}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAX_DAMAGE = create(key("max_damage"));
+
+    /**
+     * {@code minecraft:max_stack_size}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> MAX_STACK_SIZE = create(key("max_stack_size"));
+
+    /**
+     * {@code minecraft:note_block_sound}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> NOTE_BLOCK_SOUND = create(key("note_block_sound"));
+
+    /**
+     * {@code minecraft:ominous_bottle_amplifier}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> OMINOUS_BOTTLE_AMPLIFIER = create(key("ominous_bottle_amplifier"));
+
+    /**
+     * {@code minecraft:pot_decorations}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> POT_DECORATIONS = create(key("pot_decorations"));
+
+    /**
+     * {@code minecraft:potion_contents}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> POTION_CONTENTS = create(key("potion_contents"));
+
+    /**
+     * {@code minecraft:profile}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> PROFILE = create(key("profile"));
+
+    /**
+     * {@code minecraft:rarity}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> RARITY = create(key("rarity"));
+
+    /**
+     * {@code minecraft:recipes}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> RECIPES = create(key("recipes"));
+
+    /**
+     * {@code minecraft:repair_cost}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> REPAIR_COST = create(key("repair_cost"));
+
+    /**
+     * {@code minecraft:repairable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> REPAIRABLE = create(key("repairable"));
+
+    /**
+     * {@code minecraft:stored_enchantments}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> STORED_ENCHANTMENTS = create(key("stored_enchantments"));
+
+    /**
+     * {@code minecraft:suspicious_stew_effects}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> SUSPICIOUS_STEW_EFFECTS = create(key("suspicious_stew_effects"));
+
+    /**
+     * {@code minecraft:tool}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> TOOL = create(key("tool"));
+
+    /**
+     * {@code minecraft:tooltip_style}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> TOOLTIP_STYLE = create(key("tooltip_style"));
+
+    /**
+     * {@code minecraft:trim}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> TRIM = create(key("trim"));
+
+    /**
+     * {@code minecraft:unbreakable}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> UNBREAKABLE = create(key("unbreakable"));
+
+    /**
+     * {@code minecraft:use_cooldown}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> USE_COOLDOWN = create(key("use_cooldown"));
+
+    /**
+     * {@code minecraft:use_remainder}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> USE_REMAINDER = create(key("use_remainder"));
+
+    /**
+     * {@code minecraft:writable_book_content}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> WRITABLE_BOOK_CONTENT = create(key("writable_book_content"));
+
+    /**
+     * {@code minecraft:written_book_content}
+     *
+     * @apiNote This field is version-dependant and may be removed in future Minecraft versions
+     */
+    public static final TypedKey<DataComponentType> WRITTEN_BOOK_CONTENT = create(key("written_book_content"));
+
+    private DataComponentTypeKeys() {
+    }
+
+    private static TypedKey<DataComponentType> create(final Key key) {
+        return TypedKey.create(RegistryKey.DATA_COMPONENT_TYPE, key);
+    }
+}

paper-api/src/generated/java/io/papermc/paper/registry/keys/EnchantmentKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.enchantments.Enchantment;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class EnchantmentKeys {
     /**
      * {@code minecraft:aqua_affinity}
@@ -325,12 +323,11 @@ public final class EnchantmentKeys {
     }
 
     /**
-     * Creates a key for {@link Enchantment} in the registry {@code minecraft:enchantment}.
+     * Creates a typed key for {@link Enchantment} in the registry {@code minecraft:enchantment}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<Enchantment> create(final Key key) {
         return TypedKey.create(RegistryKey.ENCHANTMENT, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/FluidKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.Fluid;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class FluidKeys {
     /**
      * {@code minecraft:empty}

paper-api/src/generated/java/io/papermc/paper/registry/keys/FrogVariantKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.entity.Frog;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class FrogVariantKeys {
     /**
      * {@code minecraft:cold}

paper-api/src/generated/java/io/papermc/paper/registry/keys/GameEventKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.GameEvent;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class GameEventKeys {
     /**
      * {@code minecraft:block_activate}
@@ -451,12 +449,11 @@ public final class GameEventKeys {
     }
 
     /**
-     * Creates a key for {@link GameEvent} in the registry {@code minecraft:game_event}.
+     * Creates a typed key for {@link GameEvent} in the registry {@code minecraft:game_event}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<GameEvent> create(final Key key) {
         return TypedKey.create(RegistryKey.GAME_EVENT, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/InstrumentKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.MusicInstrument;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class InstrumentKeys {
     /**
      * {@code minecraft:admire_goat_horn}
@@ -87,12 +85,11 @@ public final class InstrumentKeys {
     }
 
     /**
-     * Creates a key for {@link MusicInstrument} in the registry {@code minecraft:instrument}.
+     * Creates a typed key for {@link MusicInstrument} in the registry {@code minecraft:instrument}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<MusicInstrument> create(final Key key) {
         return TypedKey.create(RegistryKey.INSTRUMENT, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/ItemTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.inventory.ItemType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class ItemTypeKeys {
     /**
      * {@code minecraft:acacia_boat}

paper-api/src/generated/java/io/papermc/paper/registry/keys/JukeboxSongKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.JukeboxSong;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class JukeboxSongKeys {
     /**
      * {@code minecraft:11}
@@ -164,12 +162,11 @@ public final class JukeboxSongKeys {
     }
 
     /**
-     * Creates a key for {@link JukeboxSong} in the registry {@code minecraft:jukebox_song}.
+     * Creates a typed key for {@link JukeboxSong} in the registry {@code minecraft:jukebox_song}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<JukeboxSong> create(final Key key) {
         return TypedKey.create(RegistryKey.JUKEBOX_SONG, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/MapDecorationTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.map.MapCursor;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class MapDecorationTypeKeys {
     /**
      * {@code minecraft:banner_black}

paper-api/src/generated/java/io/papermc/paper/registry/keys/MenuTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.inventory.MenuType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class MenuTypeKeys {
     /**
      * {@code minecraft:anvil}

paper-api/src/generated/java/io/papermc/paper/registry/keys/MobEffectKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.potion.PotionEffectType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class MobEffectKeys {
     /**
      * {@code minecraft:absorption}

paper-api/src/generated/java/io/papermc/paper/registry/keys/PaintingVariantKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.Art;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class PaintingVariantKeys {
     /**
      * {@code minecraft:alban}
@@ -381,12 +379,11 @@ public final class PaintingVariantKeys {
     }
 
     /**
-     * Creates a key for {@link Art} in the registry {@code minecraft:painting_variant}.
+     * Creates a typed key for {@link Art} in the registry {@code minecraft:painting_variant}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<Art> create(final Key key) {
         return TypedKey.create(RegistryKey.PAINTING_VARIANT, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/SoundEventKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.Sound;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class SoundEventKeys {
     /**
      * {@code minecraft:ambient.basalt_deltas.additions}

paper-api/src/generated/java/io/papermc/paper/registry/keys/StructureKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.generator.structure.Structure;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class StructureKeys {
     /**
      * {@code minecraft:ancient_city}
@@ -269,12 +267,11 @@ public final class StructureKeys {
     }
 
     /**
-     * Creates a key for {@link Structure} in the registry {@code minecraft:worldgen/structure}.
+     * Creates a typed key for {@link Structure} in the registry {@code minecraft:worldgen/structure}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<Structure> create(final Key key) {
         return TypedKey.create(RegistryKey.STRUCTURE, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/StructureTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.generator.structure.StructureType;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class StructureTypeKeys {
     /**
      * {@code minecraft:buried_treasure}

paper-api/src/generated/java/io/papermc/paper/registry/keys/TrimMaterialKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.inventory.meta.trim.TrimMaterial;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class TrimMaterialKeys {
     /**
      * {@code minecraft:amethyst}
@@ -108,12 +106,11 @@ public final class TrimMaterialKeys {
     }
 
     /**
-     * Creates a key for {@link TrimMaterial} in the registry {@code minecraft:trim_material}.
+     * Creates a typed key for {@link TrimMaterial} in the registry {@code minecraft:trim_material}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<TrimMaterial> create(final Key key) {
         return TypedKey.create(RegistryKey.TRIM_MATERIAL, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/TrimPatternKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.inventory.meta.trim.TrimPattern;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class TrimPatternKeys {
     /**
      * {@code minecraft:bolt}
@@ -157,12 +155,11 @@ public final class TrimPatternKeys {
     }
 
     /**
-     * Creates a key for {@link TrimPattern} in the registry {@code minecraft:trim_pattern}.
+     * Creates a typed key for {@link TrimPattern} in the registry {@code minecraft:trim_pattern}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<TrimPattern> create(final Key key) {
         return TypedKey.create(RegistryKey.TRIM_PATTERN, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/VillagerProfessionKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.entity.Villager;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class VillagerProfessionKeys {
     /**
      * {@code minecraft:armorer}

paper-api/src/generated/java/io/papermc/paper/registry/keys/VillagerTypeKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.entity.Villager;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class VillagerTypeKeys {
     /**
      * {@code minecraft:desert}

paper-api/src/generated/java/io/papermc/paper/registry/keys/WolfVariantKeys.java

@@ -7,7 +7,6 @@ import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
 import org.bukkit.entity.Wolf;
-import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
@@ -23,9 +22,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
-@ApiStatus.Experimental
+@GeneratedFrom("1.21.4")
 public final class WolfVariantKeys {
     /**
      * {@code minecraft:ashen}
@@ -94,12 +92,11 @@ public final class WolfVariantKeys {
     }
 
     /**
-     * Creates a key for {@link Wolf.Variant} in the registry {@code minecraft:wolf_variant}.
+     * Creates a typed key for {@link Wolf.Variant} in the registry {@code minecraft:wolf_variant}.
      *
      * @param key the value's key in the registry
      * @return a new typed key
      */
-    @ApiStatus.Experimental
     public static TypedKey<Wolf.Variant> create(final Key key) {
         return TypedKey.create(RegistryKey.WOLF_VARIANT, key);
     }

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/BannerPatternTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#BANNER_PATTERN}.
+ * Vanilla tag keys for {@link RegistryKey#BANNER_PATTERN}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class BannerPatternTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/BiomeTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#BIOME}.
+ * Vanilla tag keys for {@link RegistryKey#BIOME}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class BiomeTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/BlockTypeTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#BLOCK}.
+ * Vanilla tag keys for {@link RegistryKey#BLOCK}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class BlockTypeTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/CatVariantTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#CAT_VARIANT}.
+ * Vanilla tag keys for {@link RegistryKey#CAT_VARIANT}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class CatVariantTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/DamageTypeTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#DAMAGE_TYPE}.
+ * Vanilla tag keys for {@link RegistryKey#DAMAGE_TYPE}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class DamageTypeTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/EnchantmentTagKeys.java

@@ -12,7 +12,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#ENCHANTMENT}.
+ * Vanilla tag keys for {@link RegistryKey#ENCHANTMENT}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -24,8 +24,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class EnchantmentTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/EntityTypeTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#ENTITY_TYPE}.
+ * Vanilla tag keys for {@link RegistryKey#ENTITY_TYPE}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class EntityTypeTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/FluidTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#FLUID}.
+ * Vanilla tag keys for {@link RegistryKey#FLUID}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class FluidTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/GameEventTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#GAME_EVENT}.
+ * Vanilla tag keys for {@link RegistryKey#GAME_EVENT}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class GameEventTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/InstrumentTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#INSTRUMENT}.
+ * Vanilla tag keys for {@link RegistryKey#INSTRUMENT}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class InstrumentTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/ItemTypeTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#ITEM}.
+ * Vanilla tag keys for {@link RegistryKey#ITEM}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class ItemTypeTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/PaintingVariantTagKeys.java

@@ -11,7 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#PAINTING_VARIANT}.
+ * Vanilla tag keys for {@link RegistryKey#PAINTING_VARIANT}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -23,8 +23,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class PaintingVariantTagKeys {
     /**

paper-api/src/generated/java/io/papermc/paper/registry/keys/tags/StructureTagKeys.java

@@ -12,7 +12,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Vanilla keys for {@link RegistryKey#STRUCTURE}.
+ * Vanilla tag keys for {@link RegistryKey#STRUCTURE}.
  *
  * @apiNote The fields provided here are a direct representation of
  * what is available from the vanilla game source. They may be
@@ -24,8 +24,8 @@ import org.jspecify.annotations.NullMarked;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.21.4")
 @NullMarked
+@GeneratedFrom("1.21.4")
 @ApiStatus.Experimental
 public final class StructureTagKeys {
     /**

paper-api/src/main/java/com/destroystokyo/paper/event/player/PlayerArmorChangeEvent.java

@@ -5,6 +5,7 @@ import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.HandlerList;
 import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
@@ -16,8 +17,10 @@ import static org.bukkit.Material.*;
  * Called when the player themselves change their armor items
  * <p>
  * Not currently called for environmental factors though it <strong>MAY BE IN THE FUTURE</strong>
+ * @apiNote Use {@link io.papermc.paper.event.entity.EntityEquipmentChangedEvent} for all entity equipment changes
  */
 @NullMarked
+@ApiStatus.Obsolete(since = "1.21.4")
 public class PlayerArmorChangeEvent extends PlayerEvent {
 
     private static final HandlerList HANDLER_LIST = new HandlerList();
@@ -38,11 +41,27 @@ public class PlayerArmorChangeEvent extends PlayerEvent {
      * Gets the type of slot being altered.
      *
      * @return type of slot being altered
+     * @deprecated {@link SlotType} does not accurately represent what item types are valid in each slot. Use {@link #getSlot()} instead.
      */
+    @Deprecated(since = "1.21.4")
     public SlotType getSlotType() {
         return this.slotType;
     }
 
+    /**
+     * Gets the slot being altered.
+     *
+     * @return slot being altered
+     */
+    public EquipmentSlot getSlot() {
+        return switch (this.slotType) {
+            case HEAD -> EquipmentSlot.HEAD;
+            case CHEST -> EquipmentSlot.CHEST;
+            case LEGS -> EquipmentSlot.LEGS;
+            case FEET -> EquipmentSlot.FEET;
+        };
+    }
+
     /**
      * Gets the existing item that's being replaced
      *
@@ -70,6 +89,10 @@ public class PlayerArmorChangeEvent extends PlayerEvent {
         return HANDLER_LIST;
     }
 
+    /**
+     * @deprecated {@link SlotType} does not accurately represent what item types are valid in each slot.
+     */
+    @Deprecated(since = "1.21.4")
     public enum SlotType {
         HEAD(NETHERITE_HELMET, DIAMOND_HELMET, GOLDEN_HELMET, IRON_HELMET, CHAINMAIL_HELMET, LEATHER_HELMET, CARVED_PUMPKIN, PLAYER_HEAD, SKELETON_SKULL, ZOMBIE_HEAD, CREEPER_HEAD, WITHER_SKELETON_SKULL, TURTLE_HELMET, DRAGON_HEAD, PIGLIN_HEAD),
         CHEST(NETHERITE_CHESTPLATE, DIAMOND_CHESTPLATE, GOLDEN_CHESTPLATE, IRON_CHESTPLATE, CHAINMAIL_CHESTPLATE, LEATHER_CHESTPLATE, ELYTRA),

paper-api/src/main/java/com/destroystokyo/paper/event/player/PlayerUseUnknownEntityEvent.java

@@ -11,7 +11,7 @@ import org.jspecify.annotations.NullMarked;
 import org.jspecify.annotations.Nullable;
 
 /**
- * Represents an event that is called when a player right-clicks an unknown entity.
+ * Represents an event that is called when a player clicks an unknown entity.
  * Useful for plugins dealing with virtual entities (entities that aren't actually spawned on the server).
  * <br>
  * This event may be called multiple times per interaction with different interaction hands

paper-api/src/main/java/io/papermc/paper/command/brigadier/CommandRegistrationFlag.java

@@ -10,5 +10,10 @@ import org.jetbrains.annotations.ApiStatus;
  */
 @ApiStatus.Internal
 public enum CommandRegistrationFlag {
+
+    /**
+     * @deprecated This is the default behavior now.
+     */
+    @Deprecated(since = "1.21.4")
     FLATTEN_ALIASES
 }

paper-api/src/main/java/io/papermc/paper/command/brigadier/CommandSourceStack.java

@@ -1,5 +1,7 @@
 package io.papermc.paper.command.brigadier;
 
+import com.mojang.brigadier.RedirectModifier;
+import com.mojang.brigadier.tree.CommandNode;
 import org.bukkit.Location;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Entity;
@@ -48,4 +50,24 @@ public interface CommandSourceStack {
      * @return entity that executes this command
      */
     @Nullable Entity getExecutor();
+
+    /**
+     * Creates a new CommandSourceStack object with a different location for redirecting commands to other nodes.
+     *
+     * @param location The location to create a new CommandSourceStack object with
+     * @return The newly created CommandSourceStack
+     * @see #getLocation()
+     * @see com.mojang.brigadier.builder.ArgumentBuilder#fork(CommandNode, RedirectModifier)
+     */
+    CommandSourceStack withLocation(Location location);
+
+    /**
+     * Creates a new CommandSourceStack object with a different executor for redirecting commands to other nodes.
+     *
+     * @param executor The executing entity to create a new CommandSourceStack object with
+     * @return The newly created CommandSourceStack
+     * @see #getExecutor()
+     * @see com.mojang.brigadier.builder.ArgumentBuilder#fork(CommandNode, RedirectModifier)
+     */
+    CommandSourceStack withExecutor(Entity executor);
 }

paper-api/src/main/java/io/papermc/paper/command/brigadier/Commands.java

@@ -113,6 +113,7 @@ public interface Commands extends Registrar {
      * <p>Commands have certain overriding behavior:
      * <ul>
      *   <li>Aliases will not override already existing commands (excluding namespaced ones)</li>
+     *   <li>Aliases are <b>not</b> Brigadier redirects, they just copy the command to a different label</li>
      *   <li>The main command/namespaced label will override already existing commands</li>
      * </ul>
      *
@@ -129,6 +130,7 @@ public interface Commands extends Registrar {
      * <p>Commands have certain overriding behavior:
      * <ul>
      *   <li>Aliases will not override already existing commands (excluding namespaced ones)</li>
+     *   <li>Aliases are <b>not</b> Brigadier redirects, they just copy the command to a different label</li>
      *   <li>The main command/namespaced label will override already existing commands</li>
      * </ul>
      *
@@ -146,6 +148,7 @@ public interface Commands extends Registrar {
      * <p>Commands have certain overriding behavior:
      * <ul>
      *   <li>Aliases will not override already existing commands (excluding namespaced ones)</li>
+     *   <li>Aliases are <b>not</b> Brigadier redirects, they just copy the command to a different label</li>
      *   <li>The main command/namespaced label will override already existing commands</li>
      * </ul>
      *
@@ -163,6 +166,7 @@ public interface Commands extends Registrar {
      * <p>Commands have certain overriding behavior:
      * <ul>
      *   <li>Aliases will not override already existing commands (excluding namespaced ones)</li>
+     *   <li>Aliases are <b>not</b> Brigadier redirects, they just copy the command to a different label</li>
      *   <li>The main command/namespaced label will override already existing commands</li>
      * </ul>
      *
@@ -179,6 +183,7 @@ public interface Commands extends Registrar {
      * <p>Commands have certain overriding behavior:
      * <ul>
      *   <li>Aliases will not override already existing commands (excluding namespaced ones)</li>
+     *   <li>Aliases are <b>not</b> Brigadier redirects, they just copy the command to a different label</li>
      *   <li>The main command/namespaced label will override already existing commands</li>
      * </ul>
      *

paper-api/src/main/java/io/papermc/paper/command/brigadier/argument/ArgumentTypes.java

@@ -7,6 +7,7 @@ import io.papermc.paper.command.brigadier.argument.range.IntegerRangeProvider;
 import io.papermc.paper.command.brigadier.argument.resolvers.BlockPositionResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.FinePositionResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.PlayerProfileListResolver;
+import io.papermc.paper.command.brigadier.argument.resolvers.RotationResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.selector.EntitySelectorArgumentResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.selector.PlayerSelectorArgumentResolver;
 import io.papermc.paper.entity.LookAnchor;
@@ -123,6 +124,15 @@ public final class ArgumentTypes {
         return provider().finePosition(centerIntegers);
     }
 
+    /**
+     * A rotation argument.
+     *
+     * @return rotation argument
+     */
+    public static ArgumentType<RotationResolver> rotation() {
+        return provider().rotation();
+    }
+
     /**
      * A blockstate argument which will provide rich parsing for specifying
      * the specific block variant and then the block entity NBT if applicable.

paper-api/src/main/java/io/papermc/paper/command/brigadier/argument/VanillaArgumentProvider.java

@@ -7,6 +7,7 @@ import io.papermc.paper.command.brigadier.argument.range.IntegerRangeProvider;
 import io.papermc.paper.command.brigadier.argument.resolvers.BlockPositionResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.FinePositionResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.PlayerProfileListResolver;
+import io.papermc.paper.command.brigadier.argument.resolvers.RotationResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.selector.EntitySelectorArgumentResolver;
 import io.papermc.paper.command.brigadier.argument.resolvers.selector.PlayerSelectorArgumentResolver;
 import io.papermc.paper.entity.LookAnchor;
@@ -57,6 +58,8 @@ interface VanillaArgumentProvider {
 
     ArgumentType<FinePositionResolver> finePosition(boolean centerIntegers);
 
+    ArgumentType<RotationResolver> rotation();
+
     ArgumentType<BlockState> blockState();
 
     ArgumentType<ItemStack> itemStack();

paper-api/src/main/java/io/papermc/paper/command/brigadier/argument/resolvers/RotationResolver.java

@@ -0,0 +1,16 @@
+package io.papermc.paper.command.brigadier.argument.resolvers;
+
+import io.papermc.paper.command.brigadier.CommandSourceStack;
+import io.papermc.paper.math.Rotation;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * An {@link ArgumentResolver} that's capable of resolving
+ * a rotation argument value using a {@link CommandSourceStack}.
+ *
+ * @see io.papermc.paper.command.brigadier.argument.ArgumentTypes#rotation()
+ */
+@ApiStatus.Experimental
+@ApiStatus.NonExtendable
+public interface RotationResolver extends ArgumentResolver<Rotation> {
+}

paper-api/src/main/java/io/papermc/paper/datacomponent/DataComponentTypes.java

@@ -63,21 +63,76 @@ import static java.util.Objects.requireNonNull;
 @ApiStatus.Experimental
 public final class DataComponentTypes {
 
+    // Start generate - DataComponentTypes
+    // @GeneratedFrom 1.21.4
     /**
-     * Controls the maximum stacking size of this item.
-     * <br>
-     * Values greater than 1 are mutually exclusive with the {@link #MAX_DAMAGE} component.
+     * Holds attribute modifiers applied to any item,
+     * if not set, has an implicit default value based on the item type's
+     * default attributes (e.g. attack damage for weapons).
      */
-    public static final DataComponentType.Valued<@IntRange(from = 1, to = 99) Integer> MAX_STACK_SIZE = valued("max_stack_size");
+    public static final DataComponentType.Valued<ItemAttributeModifiers> ATTRIBUTE_MODIFIERS = valued("attribute_modifiers");
+
     /**
-     * Controls the maximum amount of damage than an item can take,
-     * if not present, the item cannot be damaged.
-     * <br>
-     * Mutually exclusive with the {@link #MAX_STACK_SIZE} component greater than 1.
+     * Stores the additional patterns applied to a Banner or Shield.
+     */
+    public static final DataComponentType.Valued<BannerPatternLayers> BANNER_PATTERNS = valued("banner_patterns");
+
+    /**
+     * Stores the base color for a Shield.
+     */
+    public static final DataComponentType.Valued<DyeColor> BASE_COLOR = valued("base_color");
+
+    /**
+     * Holds block state properties to apply when placing a block.
+     */
+    public static final DataComponentType.Valued<BlockItemDataProperties> BLOCK_DATA = valued("block_state");
+
+    /**
+     * Holds all items stored inside a Bundle.
+     * If removed, items cannot be added to the Bundle.
+     */
+    public static final DataComponentType.Valued<BundleContents> BUNDLE_CONTENTS = valued("bundle_contents");
+
+    /**
+     * Controls which blocks a player in Adventure mode can break with this item.
+     */
+    public static final DataComponentType.Valued<ItemAdventurePredicate> CAN_BREAK = valued("can_break");
+
+    /**
+     * Controls which blocks a player in Adventure mode can place on with this item.
+     */
+    public static final DataComponentType.Valued<ItemAdventurePredicate> CAN_PLACE_ON = valued("can_place_on");
+
+    /**
+     * Holds all projectiles that have been loaded into a Crossbow.
+     * If not present, the Crossbow is not charged.
+     */
+    public static final DataComponentType.Valued<ChargedProjectiles> CHARGED_PROJECTILES = valued("charged_projectiles");
+
+    public static final DataComponentType.Valued<Consumable> CONSUMABLE = valued("consumable");
+
+    /**
+     * Holds the contents of container blocks (Chests, Shulker Boxes) in item form.
+     */
+    public static final DataComponentType.Valued<ItemContainerContents> CONTAINER = valued("container");
+
+    /**
+     * Holds the unresolved loot table and seed of a container-like block.
+     */
+    public static final DataComponentType.Valued<SeededContainerLoot> CONTAINER_LOOT = valued("container_loot");
+
+    /**
+     * Controls the minecraft:custom_model_data property in the item model.
+     */
+    public static final DataComponentType.Valued<CustomModelData> CUSTOM_MODEL_DATA = valued("custom_model_data");
+
+    /**
+     * Custom name override for an item (as set by renaming with an Anvil).
      *
-     * @see #DAMAGE
+     * @see #ITEM_NAME
      */
-    public static final DataComponentType.Valued<@Positive Integer> MAX_DAMAGE = valued("max_damage");
+    public static final DataComponentType.Valued<Component> CUSTOM_NAME = valued("custom_name");
+
     /**
      * The amount of durability removed from an item,
      * for damageable items (with the {@link #MAX_DAMAGE} component), has an implicit default value of: {@code 0}.
@@ -85,16 +140,80 @@ public final class DataComponentTypes {
      * @see #MAX_DAMAGE
      */
     public static final DataComponentType.Valued<@NonNegative Integer> DAMAGE = valued("damage");
+
     /**
-     * If set, the item will not lose any durability when used.
+     * If present, this item will not take damage from the specified damage types.
      */
-    public static final DataComponentType.Valued<Unbreakable> UNBREAKABLE = valued("unbreakable");
+    public static final DataComponentType.Valued<DamageResistant> DAMAGE_RESISTANT = valued("damage_resistant");
+
+    public static final DataComponentType.Valued<DeathProtection> DEATH_PROTECTION = valued("death_protection");
+
     /**
-     * Custom name override for an item (as set by renaming with an Anvil).
+     * Represents a color applied to a dyeable item (in the {@link io.papermc.paper.registry.keys.tags.ItemTypeTagKeys#DYEABLE} item tag).
+     */
+    public static final DataComponentType.Valued<DyedItemColor> DYED_COLOR = valued("dyed_color");
+
+    public static final DataComponentType.Valued<Enchantable> ENCHANTABLE = valued("enchantable");
+
+    /**
+     * Overrides the enchantment glint effect on an item.
+     * If not present, default behaviour is used.
+     */
+    public static final DataComponentType.Valued<Boolean> ENCHANTMENT_GLINT_OVERRIDE = valued("enchantment_glint_override");
+
+    /**
+     * Controls the enchantments on an item.
+     * <br>
+     * If not present on a non-enchantment book, this item will not work in an anvil.
      *
-     * @see #ITEM_NAME
+     * @see #STORED_ENCHANTMENTS
      */
-    public static final DataComponentType.Valued<Component> CUSTOM_NAME = valued("custom_name");
+    public static final DataComponentType.Valued<ItemEnchantments> ENCHANTMENTS = valued("enchantments");
+
+    public static final DataComponentType.Valued<Equippable> EQUIPPABLE = valued("equippable");
+
+    /**
+     * Stores the explosion crafted in a Firework Star.
+     */
+    public static final DataComponentType.Valued<FireworkEffect> FIREWORK_EXPLOSION = valued("firework_explosion");
+
+    /**
+     * Stores all explosions crafted into a Firework Rocket, as well as flight duration.
+     */
+    public static final DataComponentType.Valued<Fireworks> FIREWORKS = valued("fireworks");
+
+    /**
+     * Controls potential food benefits gained when consuming the item the component is applied on.
+     * Requires the {@link #CONSUMABLE} component to allow consumption in the first place.
+     */
+    public static final DataComponentType.Valued<FoodProperties> FOOD = valued("food");
+
+    public static final DataComponentType.NonValued GLIDER = unvalued("glider");
+
+    /**
+     * If set, disables 'additional' tooltip part which comes from the item type
+     * (e.g. content of a shulker).
+     */
+    public static final DataComponentType.NonValued HIDE_ADDITIONAL_TOOLTIP = unvalued("hide_additional_tooltip");
+
+    /**
+     * If set, it will completely hide whole item tooltip (that includes item name).
+     */
+    public static final DataComponentType.NonValued HIDE_TOOLTIP = unvalued("hide_tooltip");
+
+    /**
+     * Holds the instrument type used by a Goat Horn.
+     */
+    public static final DataComponentType.Valued<MusicInstrument> INSTRUMENT = valued("instrument");
+
+    /**
+     * Marks that a projectile item would be intangible when fired
+     * (i.e. can only be picked up by a creative mode player).
+     */
+    public static final DataComponentType.NonValued INTANGIBLE_PROJECTILE = unvalued("intangible_projectile");
+
+    public static final DataComponentType.Valued<Key> ITEM_MODEL = valued("item_model");
+
     /**
      * When present, replaces default item name with contained chat component.
      * <p>
@@ -109,91 +228,100 @@ public final class DataComponentTypes {
      * @see #CUSTOM_NAME
      */
     public static final DataComponentType.Valued<Component> ITEM_NAME = valued("item_name");
-    public static final DataComponentType.Valued<Key> ITEM_MODEL = valued("item_model");
+
+    public static final DataComponentType.Valued<JukeboxPlayable> JUKEBOX_PLAYABLE = valued("jukebox_playable");
+
+    /**
+     * If present, specifies that the Compass is a Lodestone Compass.
+     */
+    public static final DataComponentType.Valued<LodestoneTracker> LODESTONE_TRACKER = valued("lodestone_tracker");
+
     /**
      * Additional lines to include in an item's tooltip.
      */
     public static final DataComponentType.Valued<ItemLore> LORE = valued("lore");
+
+    /**
+     * Represents the tint of the decorations on the {@link org.bukkit.inventory.ItemType#FILLED_MAP} item.
+     */
+    public static final DataComponentType.Valued<MapItemColor> MAP_COLOR = valued("map_color");
+
+    /**
+     * Holds a list of markers to be placed on a {@link org.bukkit.inventory.ItemType#FILLED_MAP} (used for Explorer Maps).
+     */
+    public static final DataComponentType.Valued<MapDecorations> MAP_DECORATIONS = valued("map_decorations");
+
+    /**
+     * References the shared map state holding map contents and markers for a {@link org.bukkit.inventory.ItemType#FILLED_MAP}.
+     */
+    public static final DataComponentType.Valued<MapId> MAP_ID = valued("map_id");
+
+    /**
+     * Internal map item state used in the map crafting recipe.
+     */
+    public static final DataComponentType.Valued<MapPostProcessing> MAP_POST_PROCESSING = valued("map_post_processing");
+
+    /**
+     * Controls the maximum amount of damage than an item can take,
+     * if not present, the item cannot be damaged.
+     * <br>
+     * Mutually exclusive with the {@link #MAX_STACK_SIZE} component greater than 1.
+     *
+     * @see #DAMAGE
+     */
+    public static final DataComponentType.Valued<@Positive Integer> MAX_DAMAGE = valued("max_damage");
+
+    /**
+     * Controls the maximum stacking size of this item.
+     * <br>
+     * Values greater than 1 are mutually exclusive with the {@link #MAX_DAMAGE} component.
+     */
+    public static final DataComponentType.Valued<Integer> MAX_STACK_SIZE = valued("max_stack_size");
+
+    /**
+     * Controls the sound played by a Player Head when placed on a Note Block.
+     */
+    public static final DataComponentType.Valued<Key> NOTE_BLOCK_SOUND = valued("note_block_sound");
+
+    /**
+     * Controls the amplifier amount for an Ominous Bottle's Bad Omen effect.
+     */
+    public static final DataComponentType.Valued<OminousBottleAmplifier> OMINOUS_BOTTLE_AMPLIFIER = valued("ominous_bottle_amplifier");
+
+    /**
+     * Stores the Sherds applied to each side of a Decorated Pot.
+     */
+    public static final DataComponentType.Valued<PotDecorations> POT_DECORATIONS = valued("pot_decorations");
+
+    /**
+     * Holds the contents of a potion (Potion, Splash Potion, Lingering Potion),
+     * or potion applied to a Tipped Arrow.
+     */
+    public static final DataComponentType.Valued<PotionContents> POTION_CONTENTS = valued("potion_contents");
+
+    /**
+     * Controls the skin displayed on a Player Head.
+     */
+    public static final DataComponentType.Valued<ResolvableProfile> PROFILE = valued("profile");
+
     /**
      * Controls the color of the item name.
      */
     public static final DataComponentType.Valued<ItemRarity> RARITY = valued("rarity");
+
     /**
-     * Controls the enchantments on an item.
-     * <br>
-     * If not present on a non-enchantment book, this item will not work in an anvil.
-     *
-     * @see #STORED_ENCHANTMENTS
+     * List of recipes that should be unlocked when using the Knowledge Book item.
      */
-    public static final DataComponentType.Valued<ItemEnchantments> ENCHANTMENTS = valued("enchantments");
-    /**
-     * Controls which blocks a player in Adventure mode can place on with this item.
-     */
-    public static final DataComponentType.Valued<ItemAdventurePredicate> CAN_PLACE_ON = valued("can_place_on");
-    /**
-     * Controls which blocks a player in Adventure mode can break with this item.
-     */
-    public static final DataComponentType.Valued<ItemAdventurePredicate> CAN_BREAK = valued("can_break");
-    /**
-     * Holds attribute modifiers applied to any item,
-     * if not set, has an implicit default value based on the item type's
-     * default attributes (e.g. attack damage for weapons).
-     */
-    public static final DataComponentType.Valued<ItemAttributeModifiers> ATTRIBUTE_MODIFIERS = valued("attribute_modifiers");
-    /**
-     * Controls the minecraft:custom_model_data property in the item model.
-     */
-    public static final DataComponentType.Valued<CustomModelData> CUSTOM_MODEL_DATA = valued("custom_model_data");
-    /**
-     * If set, disables 'additional' tooltip part which comes from the item type
-     * (e.g. content of a shulker).
-     */
-    public static final DataComponentType.NonValued HIDE_ADDITIONAL_TOOLTIP = unvalued("hide_additional_tooltip");
-    /**
-     * If set, it will completely hide whole item tooltip (that includes item name).
-     */
-    public static final DataComponentType.NonValued HIDE_TOOLTIP = unvalued("hide_tooltip");
+    public static final DataComponentType.Valued<List<Key>> RECIPES = valued("recipes");
+
     /**
      * The additional experience cost required to modify an item in an Anvil.
      * If not present, has an implicit default value of: {@code 0}.
      */
     public static final DataComponentType.Valued<@NonNegative Integer> REPAIR_COST = valued("repair_cost");
-    // /**
-    //  * Causes an item to not be pickable in the creative menu, currently not very useful.
-    //  */
-    // public static final DataComponentType.NonValued CREATIVE_SLOT_LOCK = unvalued("creative_slot_lock");
-    /**
-     * Overrides the enchantment glint effect on an item.
-     * If not present, default behaviour is used.
-     */
-    public static final DataComponentType.Valued<Boolean> ENCHANTMENT_GLINT_OVERRIDE = valued("enchantment_glint_override");
-    /**
-     * Marks that a projectile item would be intangible when fired
-     * (i.e. can only be picked up by a creative mode player).
-     */
-    public static final DataComponentType.NonValued INTANGIBLE_PROJECTILE = unvalued("intangible_projectile");
-    /**
-     * Controls potential food benefits gained when consuming the item the component is applied on.
-     * Requires the {@link #CONSUMABLE} component to allow consumption in the first place.
-     */
-    public static final DataComponentType.Valued<FoodProperties> FOOD = valued("food");
-    public static final DataComponentType.Valued<Consumable> CONSUMABLE = valued("consumable");
-    public static final DataComponentType.Valued<UseRemainder> USE_REMAINDER = valued("use_remainder");
-    public static final DataComponentType.Valued<UseCooldown> USE_COOLDOWN = valued("use_cooldown");
-    /**
-     * If present, this item will not take damage from the specified damage types.
-     */
-    public static final DataComponentType.Valued<DamageResistant> DAMAGE_RESISTANT = valued("damage_resistant");
-    /**
-     * Controls the behavior of the item as a tool.
-     */
-    public static final DataComponentType.Valued<Tool> TOOL = valued("tool");
-    public static final DataComponentType.Valued<Enchantable> ENCHANTABLE = valued("enchantable");
-    public static final DataComponentType.Valued<Equippable> EQUIPPABLE = valued("equippable");
+
     public static final DataComponentType.Valued<Repairable> REPAIRABLE = valued("repairable");
-    public static final DataComponentType.NonValued GLIDER = unvalued("glider");
-    public static final DataComponentType.Valued<Key> TOOLTIP_STYLE = valued("tooltip_style");
-    public static final DataComponentType.Valued<DeathProtection> DEATH_PROTECTION = valued("death_protection");
+
     /**
      * Stores list of enchantments and their levels for an Enchanted Book.
      * Unlike {@link #ENCHANTMENTS}, the effects provided by enchantments
@@ -208,114 +336,51 @@ public final class DataComponentTypes {
      * @see #ENCHANTMENTS
      */
     public static final DataComponentType.Valued<ItemEnchantments> STORED_ENCHANTMENTS = valued("stored_enchantments");
-    /**
-     * Represents a color applied to a dyeable item (in the {@link io.papermc.paper.registry.keys.tags.ItemTypeTagKeys#DYEABLE} item tag).
-     */
-    public static final DataComponentType.Valued<DyedItemColor> DYED_COLOR = valued("dyed_color");
-    /**
-     * Represents the tint of the decorations on the {@link org.bukkit.inventory.ItemType#FILLED_MAP} item.
-     */
-    public static final DataComponentType.Valued<MapItemColor> MAP_COLOR = valued("map_color");
-    /**
-     * References the shared map state holding map contents and markers for a {@link org.bukkit.inventory.ItemType#FILLED_MAP}.
-     */
-    public static final DataComponentType.Valued<MapId> MAP_ID = valued("map_id");
-    /**
-     * Holds a list of markers to be placed on a {@link org.bukkit.inventory.ItemType#FILLED_MAP} (used for Explorer Maps).
-     */
-    public static final DataComponentType.Valued<MapDecorations> MAP_DECORATIONS = valued("map_decorations");
-    /**
-     * Internal map item state used in the map crafting recipe.
-     */
-    public static final DataComponentType.Valued<MapPostProcessing> MAP_POST_PROCESSING = valued("map_post_processing");
-    /**
-     * Holds all projectiles that have been loaded into a Crossbow.
-     * If not present, the Crossbow is not charged.
-     */
-    public static final DataComponentType.Valued<ChargedProjectiles> CHARGED_PROJECTILES = valued("charged_projectiles");
-    /**
-     * Holds all items stored inside a Bundle.
-     * If removed, items cannot be added to the Bundle.
-     */
-    public static final DataComponentType.Valued<BundleContents> BUNDLE_CONTENTS = valued("bundle_contents");
-    /**
-     * Holds the contents of a potion (Potion, Splash Potion, Lingering Potion),
-     * or potion applied to a Tipped Arrow.
-     */
-    public static final DataComponentType.Valued<PotionContents> POTION_CONTENTS = valued("potion_contents");
+
     /**
      * Holds the effects that will be applied when consuming Suspicious Stew.
      */
     public static final DataComponentType.Valued<SuspiciousStewEffects> SUSPICIOUS_STEW_EFFECTS = valued("suspicious_stew_effects");
+
     /**
-     * Holds the contents in a Book and Quill.
+     * Controls the behavior of the item as a tool.
      */
-    public static final DataComponentType.Valued<WritableBookContent> WRITABLE_BOOK_CONTENT = valued("writable_book_content");
-    /**
-     * Holds the contents and metadata of a Written Book.
-     */
-    public static final DataComponentType.Valued<WrittenBookContent> WRITTEN_BOOK_CONTENT = valued("written_book_content");
+    public static final DataComponentType.Valued<Tool> TOOL = valued("tool");
+
+    public static final DataComponentType.Valued<Key> TOOLTIP_STYLE = valued("tooltip_style");
+
     /**
      * Holds the trims applied to an item in recipes
      */
     public static final DataComponentType.Valued<ItemArmorTrim> TRIM = valued("trim");
+
+    /**
+     * If set, the item will not lose any durability when used.
+     */
+    public static final DataComponentType.Valued<Unbreakable> UNBREAKABLE = valued("unbreakable");
+
+    public static final DataComponentType.Valued<UseCooldown> USE_COOLDOWN = valued("use_cooldown");
+
+    public static final DataComponentType.Valued<UseRemainder> USE_REMAINDER = valued("use_remainder");
+
+    /**
+     * Holds the contents in a Book and Quill.
+     */
+    public static final DataComponentType.Valued<WritableBookContent> WRITABLE_BOOK_CONTENT = valued("writable_book_content");
+
+    /**
+     * Holds the contents and metadata of a Written Book.
+     */
+    public static final DataComponentType.Valued<WrittenBookContent> WRITTEN_BOOK_CONTENT = valued("written_book_content");
+    // End generate - DataComponentTypes
+    // /**
+    //  * Causes an item to not be pickable in the creative menu, currently not very useful.
+    //  */
+    // public static final DataComponentType.NonValued CREATIVE_SLOT_LOCK = unvalued("creative_slot_lock");
     // debug_stick_state - Block Property API
     // entity_data
     // bucket_entity_data
     // block_entity_data
-    /**
-     * Holds the instrument type used by a Goat Horn.
-     */
-    public static final DataComponentType.Valued<MusicInstrument> INSTRUMENT = valued("instrument");
-    /**
-     * Controls the amplifier amount for an Ominous Bottle's Bad Omen effect.
-     */
-    public static final DataComponentType.Valued<OminousBottleAmplifier> OMINOUS_BOTTLE_AMPLIFIER = valued("ominous_bottle_amplifier");
-    public static final DataComponentType.Valued<JukeboxPlayable> JUKEBOX_PLAYABLE = valued("jukebox_playable");
-    /**
-     * List of recipes that should be unlocked when using the Knowledge Book item.
-     */
-    public static final DataComponentType.Valued<List<Key>> RECIPES = valued("recipes");
-    /**
-     * If present, specifies that the Compass is a Lodestone Compass.
-     */
-    public static final DataComponentType.Valued<LodestoneTracker> LODESTONE_TRACKER = valued("lodestone_tracker");
-    /**
-     * Stores the explosion crafted in a Firework Star.
-     */
-    public static final DataComponentType.Valued<FireworkEffect> FIREWORK_EXPLOSION = valued("firework_explosion");
-    /**
-     * Stores all explosions crafted into a Firework Rocket, as well as flight duration.
-     */
-    public static final DataComponentType.Valued<Fireworks> FIREWORKS = valued("fireworks");
-    /**
-     * Controls the skin displayed on a Player Head.
-     */
-    public static final DataComponentType.Valued<ResolvableProfile> PROFILE = valued("profile");
-    /**
-     * Controls the sound played by a Player Head when placed on a Note Block.
-     */
-    public static final DataComponentType.Valued<Key> NOTE_BLOCK_SOUND = valued("note_block_sound");
-    /**
-     * Stores the additional patterns applied to a Banner or Shield.
-     */
-    public static final DataComponentType.Valued<BannerPatternLayers> BANNER_PATTERNS = valued("banner_patterns");
-    /**
-     * Stores the base color for a Shield.
-     */
-    public static final DataComponentType.Valued<DyeColor> BASE_COLOR = valued("base_color");
-    /**
-     * Stores the Sherds applied to each side of a Decorated Pot.
-     */
-    public static final DataComponentType.Valued<PotDecorations> POT_DECORATIONS = valued("pot_decorations");
-    /**
-     * Holds the contents of container blocks (Chests, Shulker Boxes) in item form.
-     */
-    public static final DataComponentType.Valued<ItemContainerContents> CONTAINER = valued("container");
-    /**
-     * Holds block state properties to apply when placing a block.
-     */
-    public static final DataComponentType.Valued<BlockItemDataProperties> BLOCK_DATA = valued("block_state");
     // bees
     // /**
     //  * Holds the lock state of a container-like block,
@@ -325,10 +390,6 @@ public final class DataComponentTypes {
     //  * to open this container.
     //  */
     // public static final DataComponentType.Valued<LockCode> LOCK = valued("lock");
-    /**
-     * Holds the unresolved loot table and seed of a container-like block.
-     */
-    public static final DataComponentType.Valued<SeededContainerLoot> CONTAINER_LOOT = valued("container_loot");
 
     private static DataComponentType.NonValued unvalued(final String name) {
         return (DataComponentType.NonValued) requireNonNull(Registry.DATA_COMPONENT_TYPE.get(NamespacedKey.minecraft(name)), name + " unvalued data component type couldn't be found, this is a bug.");

paper-api/src/main/java/io/papermc/paper/datacomponent/item/DamageResistant.java

@@ -21,9 +21,9 @@ public interface DamageResistant {
     }
 
     /**
-     * The types that this damage type is invincible tp.
+     * The types that this damage type is invincible to.
      *
-     * @return item
+     * @return the key of the tag holding the respective damage types.
      */
     @Contract(value = "-> new", pure = true)
     TagKey<DamageType> types();

paper-api/src/main/java/io/papermc/paper/datacomponent/item/consumable/ConsumeEffect.java

@@ -21,7 +21,7 @@ public interface ConsumeEffect {
      * Creates a consume effect that randomly teleports the entity on consumption.
      *
      * @param diameter diameter of random teleportation
-     * @return the effect
+     * @return the effect instance
      */
     @Contract(value = "_ -> new", pure = true)
     static TeleportRandomly teleportRandomlyEffect(final float diameter) {
@@ -29,21 +29,21 @@ public interface ConsumeEffect {
     }
 
     /**
-     * Creates a consume effect that gives status effects on consumption.
+     * Creates a consume effect that removes status effects on consumption.
      *
-     * @param key the sound effect to play
-     * @return the effect
+     * @param effects the potion effects to remove
+     * @return the effect instance
      */
     @Contract(value = "_ -> new", pure = true)
-    static RemoveStatusEffects removeEffects(final RegistryKeySet<PotionEffectType> key) {
-        return ConsumableTypesBridge.bridge().removeStatusEffects(key);
+    static RemoveStatusEffects removeEffects(final RegistryKeySet<PotionEffectType> effects) {
+        return ConsumableTypesBridge.bridge().removeStatusEffects(effects);
     }
 
     /**
      * Creates a consume effect that plays a sound on consumption.
      *
-     * @param key the sound effect to play
-     * @return the effect
+     * @param key the key sound effect to play
+     * @return the effect instance
      */
     @Contract(value = "_ -> new", pure = true)
     static PlaySound playSoundConsumeEffect(final Key key) {
@@ -53,7 +53,7 @@ public interface ConsumeEffect {
     /**
      * Creates a consume effect that clears all status effects.
      *
-     * @return effect instance
+     * @return the effect instance
      */
     @Contract(value = "-> new", pure = true)
     static ClearAllStatusEffects clearAllStatusEffects() {
@@ -61,17 +61,20 @@ public interface ConsumeEffect {
     }
 
     /**
-     * Creates a consume effect that gives status effects on consumption.
+     * Creates a consume effect that gives potion effects on consumption.
      *
      * @param effects     the potion effects to apply
-     * @param probability the probability of these effects being applied, between 0 and 1 inclusive.
-     * @return the effect
+     * @param probability the probability of these effects being applied, between 0 and 1 inclusive
+     * @return the effect instance
      */
     @Contract(value = "_, _ -> new", pure = true)
     static ApplyStatusEffects applyStatusEffects(final List<PotionEffect> effects, final float probability) {
         return ConsumableTypesBridge.bridge().applyStatusEffects(effects, probability);
     }
 
+    /**
+     * Represents a consumable effect that randomly teleports the entity on consumption.
+     */
     @ApiStatus.Experimental
     @ApiStatus.NonExtendable
     interface TeleportRandomly extends ConsumeEffect {
@@ -85,14 +88,14 @@ public interface ConsumeEffect {
     }
 
     /**
-     * Represents a consumable effect that removes status effects on consumption
+     * Represents a consumable effect that removes status effects on consumption.
      */
     @ApiStatus.Experimental
     @ApiStatus.NonExtendable
     interface RemoveStatusEffects extends ConsumeEffect {
 
         /**
-         * Potion effects to remove
+         * Potion effects to remove.
          *
          * @return effects
          */
@@ -107,7 +110,7 @@ public interface ConsumeEffect {
     interface PlaySound extends ConsumeEffect {
 
         /**
-         * Sound effect to play in the world
+         * Sound effect to play in the world.
          *
          * @return sound effect
          */
@@ -124,16 +127,16 @@ public interface ConsumeEffect {
     }
 
     /**
-     * Represents a consumable effect that applies effects based on a probability on consumption.
+     * Represents a consumable effect that applies potion effects based on a probability on consumption.
      */
     @ApiStatus.Experimental
     @ApiStatus.NonExtendable
     interface ApplyStatusEffects extends ConsumeEffect {
 
         /**
-         * Effect instances to grant
+         * Potion effect instances to grant.
          *
-         * @return effect
+         * @return potion effects
          */
         List<PotionEffect> effects();
 

paper-api/src/main/java/io/papermc/paper/datacomponent/item/consumable/ItemUseAnimation.java

@@ -4,6 +4,8 @@ package io.papermc.paper.datacomponent.item.consumable;
  * Represents the hand animation that is used when a player is consuming this item.
  */
 public enum ItemUseAnimation {
+    // Start generate - ItemUseAnimation
+    // @GeneratedFrom 1.21.4
     NONE,
     EAT,
     DRINK,
@@ -14,5 +16,6 @@ public enum ItemUseAnimation {
     SPYGLASS,
     TOOT_HORN,
     BRUSH,
-    BUNDLE
+    BUNDLE;
+    // End generate - ItemUseAnimation
 }

paper-api/src/main/java/io/papermc/paper/datapack/DatapackRegistrar.java

@@ -19,11 +19,13 @@ import org.jspecify.annotations.Nullable;
  * is called anytime the game tries to discover datapacks at any of the
  * configured locations. This means that if a datapack should stay available to the server,
  * it must always be discovered whenever this event fires.
- * <p>An example of a plugin loading a datapack from within it's own jar is below</p>
+ * <p>
+ * An example of a plugin loading a datapack from within its own jar is below,
+ * assuming the datapack is included under {@code resources/pack} folder:
  * <pre>{@code
  * public class YourPluginBootstrap implements PluginBootstrap {
  *     @Override
- *     public void bootstrap(BoostrapContext context) {
+ *     public void bootstrap(BootstrapContext context) {
  *         final LifecycleEventManager<BootstrapContext> manager = context.getLifecycleManager();
  *         manager.registerEventHandler(LifecycleEvents.DATAPACK_DISCOVERY, event -> {
  *             DatapackRegistrar registrar = event.registrar();
@@ -39,6 +41,7 @@ import org.jspecify.annotations.Nullable;
  *     }
  * }
  * }</pre>
+ *
  * @see io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents#DATAPACK_DISCOVERY
  */
 @ApiStatus.NonExtendable

paper-api/src/main/java/io/papermc/paper/entity/PlayerGiveResult.java

@@ -0,0 +1,39 @@
+package io.papermc.paper.entity;
+
+import java.util.Collection;
+import org.bukkit.entity.Item;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.Unmodifiable;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * A result type used by {@link org.bukkit.entity.Player#give(ItemStack...)} and its overloads.
+ */
+@NullMarked
+public interface PlayerGiveResult {
+
+    /**
+     * A collection of itemstacks that were not added to the player's inventory as they did not fit.
+     * The collection is derived from the collections of items to add by creating copies of each stack that was not
+     * fully added to the inventory and assigning the non-added count as their amount.
+     * <p>
+     * Itemstacks found here *may* also be found as item entities in the {@link #drops()} collection, as the
+     * give logic may have dropped them.
+     *
+     * @return the unmodifiable collection of itemstacks that are leftover as they could not be added. Each element is a
+     * copy of the input stack they are derived from.
+     */
+    @Unmodifiable
+    Collection<ItemStack> leftovers();
+
+    /**
+     * A collection of item entities dropped as a result of this call to {@link org.bukkit.entity.Player#give(ItemStack...)}.
+     * The item entities contained here are not guaranteed to match the {@link #leftovers()} as plugins may cancel the
+     * spawning of item entities.
+     *
+     * @return the unmodifiable collection of dropped item entities.
+     */
+    @Unmodifiable
+    Collection<Item> drops();
+
+}

paper-api/src/main/java/io/papermc/paper/event/block/PlayerShearBlockEvent.java

@@ -12,10 +12,10 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jspecify.annotations.NullMarked;
 
 /**
- * Called when a player uses sheers on a block.
+ * Called when a player uses shears on a block.
  * <p>
- * This event is <b>not</b> called when breaking blocks with shears but instead only when a
- * player uses the sheer item on a block to garner drops from said block and/or change its state.
+ * This event is <b>not</b> called when a player breaks blocks with shears, but rather when a
+ * player uses the shears on a block to collect drops from it and/or modify its state.
  * <p>
  * Examples include shearing a pumpkin to turn it into a carved pumpkin or shearing a beehive to get honeycomb.
  */

paper-api/src/main/java/io/papermc/paper/event/entity/EntityAttemptSmashAttackEvent.java

@@ -0,0 +1,103 @@
+package io.papermc.paper.event.entity;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when an entity attempts to perform a smash attack.
+ */
+@NullMarked
+public class EntityAttemptSmashAttackEvent extends EntityEvent {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final LivingEntity target;
+    private final ItemStack weapon;
+    private final boolean originalResult;
+    private Result result = Result.DEFAULT;
+
+    @ApiStatus.Internal
+    public EntityAttemptSmashAttackEvent(
+        final LivingEntity attacker,
+        final LivingEntity target,
+        final ItemStack weapon,
+        final boolean originalResult
+    ) {
+        super(attacker);
+        this.target = target;
+        this.weapon = weapon;
+        this.originalResult = originalResult;
+    }
+
+    /**
+     * Yields the target of the attempted smash attack.
+     *
+     * @return the target entity
+     */
+    public LivingEntity getTarget() {
+        return target;
+    }
+
+    /**
+     * Yields a copy of the itemstack used in the smash attack attempt.
+     *
+     * @return the itemstack
+     */
+    public ItemStack getWeapon() {
+        return weapon.clone();
+    }
+
+    /**
+     * Yields the original result the server computed.
+     *
+     * @return {@code true} if this attempt would have been successful by vanilla's logic, {@code false} otherwise.
+     */
+    public boolean getOriginalResult() {
+        return originalResult;
+    }
+
+    /**
+     * Yields the effective result of this event.
+     * The result may take one of three values:
+     *
+     * <ul>
+     *     <li>{@link Result#ALLOW}: The attempt will succeed.</li>
+     *     <li>{@link Result#DENY}: The attempt will fail.</li>
+     *     <li>{@link Result#DEFAULT}: The attempt will succeed if {@link #getOriginalResult()} is {@code true} and fail otherwise.</li>
+     * </ul>
+     *
+     * @return the result.
+     */
+    public Result getResult() {
+        return this.result;
+    }
+
+    /**
+     * Configures a new result for this event.
+     * The passes result may take one of three values:
+     *
+     * <ul>
+     *     <li>{@link Result#ALLOW}: The attempt will succeed.</li>
+     *     <li>{@link Result#DENY}: The attempt will fail.</li>
+     *     <li>{@link Result#DEFAULT}: The attempt will succeed if {@link #getOriginalResult()} is {@code true} and fail otherwise.</li>
+     * </ul>
+     *
+     * @param result the new result of the event.
+     */
+    public void setResult(final Result result) {
+        this.result = result;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}

paper-api/src/main/java/io/papermc/paper/event/entity/EntityEffectTickEvent.java

@@ -0,0 +1,75 @@
+package io.papermc.paper.event.entity;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.potion.PotionEffectType;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * An event that is triggered when an entity receives a potion effect instantly
+ * or when the potion effect is applied on each tick (e.g. every 25 ticks for Poison level 1).
+ * <p>
+ * For example, this event may be called when an entity regenerates health
+ * or takes poison damage as a result of a potion effect.
+ */
+@NullMarked
+public class EntityEffectTickEvent extends EntityEvent implements Cancellable {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final PotionEffectType type;
+    private final int amplifier;
+    private boolean cancelled;
+
+    @ApiStatus.Internal
+    public EntityEffectTickEvent(final LivingEntity entity, final PotionEffectType type, final int amplifier) {
+        super(entity);
+        this.type = type;
+        this.amplifier = amplifier;
+    }
+
+    @Override
+    public LivingEntity getEntity() {
+        return (LivingEntity) super.getEntity();
+    }
+
+    /**
+     * Gets the type of the potion effect associated with this event.
+     *
+     * @return the {@link PotionEffectType} of the effect
+     */
+    public PotionEffectType getType() {
+        return type;
+    }
+
+    /**
+     * Gets the amplifier level of the potion effect associated with this event.
+     *
+     * @return the amplifier level of the potion effect
+     */
+    public int getAmplifier() {
+        return amplifier;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(final boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}

paper-api/src/main/java/io/papermc/paper/event/entity/EntityEquipmentChangedEvent.java

@@ -0,0 +1,89 @@
+package io.papermc.paper.event.entity;
+
+import java.util.Collections;
+import java.util.Map;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.bukkit.inventory.EquipmentSlot;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.Unmodifiable;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called whenever a change to an entity's equipment has been detected. This event is called after effects from
+ * attribute modifiers and enchantments have been updated.
+ * <p>
+ * Examples of actions that can trigger this event:
+ * <ul>
+ *     <li>An entity being added to a world.</li>
+ *     <li>A player logging in.</li>
+ *     <li>The durability of an equipment item changing.</li>
+ *     <li>A dispenser equipping an item onto an entity.</li>
+ *     <li>An entity picking up an armor or weapon item from the ground.</li>
+ *     <li>A player changing their equipped armor.</li>
+ *     <li>A player changes their currently held item.</li>
+ * </ul>
+ */
+@NullMarked
+public class EntityEquipmentChangedEvent extends EntityEvent {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final Map<EquipmentSlot, EquipmentChange> equipmentChanges;
+
+    @ApiStatus.Internal
+    public EntityEquipmentChangedEvent(final LivingEntity entity, final Map<EquipmentSlot, EquipmentChange> equipmentChanges) {
+        super(entity);
+
+        this.equipmentChanges = equipmentChanges;
+    }
+
+    @Override
+    public LivingEntity getEntity() {
+        return (LivingEntity) this.entity;
+    }
+
+    /**
+     * Gets a map of changed slots to their respective equipment changes.
+     *
+     * @return the equipment changes map
+     */
+    public @Unmodifiable Map<EquipmentSlot, EquipmentChange> getEquipmentChanges() {
+        return Collections.unmodifiableMap(this.equipmentChanges);
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+
+    /**
+     * Represents a change in equipment for a single equipment slot.
+     */
+    @ApiStatus.NonExtendable
+    public interface EquipmentChange {
+
+        /**
+         * Gets the existing item that is being replaced.
+         *
+         * @return the existing item
+         */
+        @Contract(pure = true, value = "-> new")
+        ItemStack oldItem();
+
+        /**
+         * Gets the new item that is replacing the existing item.
+         *
+         * @return the new item
+         */
+        @Contract(pure = true, value = "-> new")
+        ItemStack newItem();
+    }
+}

paper-api/src/main/java/io/papermc/paper/event/packet/ClientTickEndEvent.java

@@ -0,0 +1,29 @@
+package io.papermc.paper.event.packet;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a {@code minecraft:client_tick_end} packet is received by the server.
+ */
+@NullMarked
+public class ClientTickEndEvent extends PlayerEvent {
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    @ApiStatus.Internal
+    public ClientTickEndEvent(final Player player) {
+        super(player);
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}

paper-api/src/main/java/io/papermc/paper/event/player/PlayerClientLoadedWorldEvent.java

@@ -0,0 +1,46 @@
+package io.papermc.paper.event.player;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a player is marked as loaded.
+ * <p>
+ * This either happens when the player notifies the server after loading the world (closing the downloading terrain screen)
+ * or when the player has not done so for 60 ticks after joining the server or respawning.
+ */
+@NullMarked
+public class PlayerClientLoadedWorldEvent extends PlayerEvent {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private final boolean timeout;
+
+    @ApiStatus.Internal
+    public PlayerClientLoadedWorldEvent(final Player who, final boolean timeout) {
+        super(who);
+        this.timeout = timeout;
+    }
+
+    /**
+     * True if the event was triggered because the server has not been notified by the player
+     * for 60 ticks after the player joined the server or respawned.
+     *
+     * @return true if the event was triggered because of a timeout
+     */
+    public boolean isTimeout() {
+        return timeout;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}

paper-api/src/main/java/io/papermc/paper/math/Rotation.java

@@ -0,0 +1,34 @@
+package io.papermc.paper.math;
+
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Represents a rotation with specified pitch and yaw values.
+ */
+@NullMarked
+public interface Rotation {
+    /**
+     * Creates a new rotation with the specified yaw and pitch values.
+     *
+     * @param yaw   the yaw component of the rotation, measured in degrees
+     * @param pitch the pitch component of the rotation, measured in degrees
+     * @return a new {@code Rotation} instance with the specified yaw and pitch
+     */
+    static Rotation rotation(float yaw, float pitch) {
+        return new RotationImpl(yaw, pitch);
+    }
+
+    /**
+     * Retrieves the pitch component of the rotation, measured in degrees.
+     *
+     * @return the pitch value in degrees
+     */
+    float pitch();
+
+    /**
+     * Retrieves the yaw component of the rotation, measured in degrees.
+     *
+     * @return the yaw value in degrees
+     */
+    float yaw();
+}

paper-api/src/main/java/io/papermc/paper/math/RotationImpl.java

@@ -0,0 +1,4 @@
+package io.papermc.paper.math;
+
+record RotationImpl(float yaw, float pitch) implements Rotation {
+}

paper-api/src/main/java/io/papermc/paper/raytracing/PositionedRayTraceConfigurationBuilder.java

@@ -0,0 +1,112 @@
+package io.papermc.paper.raytracing;
+
+import java.util.function.Predicate;
+import org.bukkit.FluidCollisionMode;
+import org.bukkit.Location;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.util.Vector;
+import org.checkerframework.checker.index.qual.NonNegative;
+import org.jetbrains.annotations.Contract;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * A builder for configuring a raytrace with a starting location
+ * and direction.
+ */
+@NullMarked
+public interface PositionedRayTraceConfigurationBuilder {
+
+    /**
+     * Sets the starting location.
+     *
+     * @param start the new starting location
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder start(Location start);
+
+    /**
+     * Sets the direction.
+     *
+     * @param direction the new direction
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder direction(Vector direction);
+
+    /**
+     * Sets the maximum distance.
+     *
+     * @param maxDistance the new maxDistance
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder maxDistance(@NonNegative double maxDistance);
+
+    /**
+     * Sets the FluidCollisionMode when looking for block collisions.
+     * <p>
+     * If collisions with passable blocks are ignored, fluid collisions are
+     * ignored as well regardless of the fluid collision mode.
+     *
+     * @param fluidCollisionMode the new FluidCollisionMode
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder fluidCollisionMode(FluidCollisionMode fluidCollisionMode);
+
+    /**
+     * Sets whether the raytrace should ignore passable blocks when looking for
+     * block collisions.
+     * <p>
+     * If collisions with passable blocks are ignored, fluid collisions are
+     * ignored as well regardless of the fluid collision mode.
+     * <p>
+     * Portal blocks are only considered passable if the ray starts within them.
+     * Apart from that collisions with portal blocks will be considered even if
+     * collisions with passable blocks are otherwise ignored.
+     *
+     * @param ignorePassableBlocks if the raytrace should ignore passable blocks
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder ignorePassableBlocks(boolean ignorePassableBlocks);
+
+    /**
+     * Sets the size of the raytrace when looking for entity collisions.
+     *
+     * @param raySize the new raytrace size
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder raySize(@NonNegative double raySize);
+
+    /**
+     * Sets the current entity filter when looking for entity collisions.
+     *
+     * @param entityFilter predicate for entities the ray can potentially collide with
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder entityFilter(Predicate<? super Entity> entityFilter);
+
+    /**
+     * Sets the current block filter when looking for block collisions.
+     *
+     * @param blockFilter predicate for blocks the ray can potentially collide with
+     * @return a reference to this object
+     */
+    @Contract(value = "_ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder blockFilter(Predicate<? super Block> blockFilter);
+
+    /**
+     * Sets the targets for the rayTrace.
+     *
+     * @param first the first target
+     * @param others the other targets
+     * @return a reference to this object
+     */
+    @Contract(value = "_, _ -> this", mutates = "this")
+    PositionedRayTraceConfigurationBuilder targets(RayTraceTarget first, RayTraceTarget... others);
+}

paper-api/src/main/java/io/papermc/paper/raytracing/RayTraceTarget.java

@@ -0,0 +1,9 @@
+package io.papermc.paper.raytracing;
+
+/**
+ * List of Targets a builder can target.
+ */
+public enum RayTraceTarget {
+    ENTITY,
+    BLOCK
+}

paper-api/src/main/java/io/papermc/paper/registry/RegistryKey.java

@@ -1,6 +1,7 @@
 package io.papermc.paper.registry;
 
 import io.papermc.paper.datacomponent.DataComponentType;
+import io.papermc.paper.registry.tag.TagKey;
 import net.kyori.adventure.key.Key;
 import net.kyori.adventure.key.KeyPattern;
 import net.kyori.adventure.key.Keyed;
@@ -209,7 +210,6 @@ public sealed interface RegistryKey<T> extends Keyed permits RegistryKeyImpl {
      * @param key the key of the typed key.
      * @return the constructed typed key.
      */
-    @ApiStatus.Experimental
     default TypedKey<T> typedKey(final Key key) {
         return TypedKey.create(this, key);
     }
@@ -220,8 +220,29 @@ public sealed interface RegistryKey<T> extends Keyed permits RegistryKeyImpl {
      * @param key the string representation of the key that will be passed to {@link Key#key(String)}.
      * @return the constructed typed key.
      */
-    @ApiStatus.Experimental
-    default TypedKey<T> typedKey(final @KeyPattern String key) {
+    default TypedKey<T> typedKey(@KeyPattern final String key) {
         return TypedKey.create(this, key);
     }
+
+    /**
+     * Constructs a new {@link TagKey} for this registry given the tag key's key.
+     *
+     * @param key the key of the typed key.
+     * @return the constructed tag key.
+     */
+    @ApiStatus.Experimental
+    default TagKey<T> tagKey(final Key key) {
+        return TagKey.create(this, key);
+    }
+
+    /**
+     * Constructs a new {@link TagKey} for this registry given the tag key's key.
+     *
+     * @param key the string representation of the key that will be passed to {@link Key#key(String)}.
+     * @return the constructed tag key.
+     */
+    @ApiStatus.Experimental
+    default TagKey<T> tagKey(@KeyPattern final String key) {
+        return TagKey.create(this, key);
+    }
 }

paper-api/src/main/java/io/papermc/paper/registry/TypedKey.java

@@ -11,7 +11,6 @@ import org.jspecify.annotations.NullMarked;
  *
  * @param <T> the value type for the registry
  */
-@ApiStatus.Experimental
 @NullMarked
 public sealed interface TypedKey<T> extends Key permits TypedKeyImpl {
 
@@ -39,7 +38,6 @@ public sealed interface TypedKey<T> extends Key permits TypedKeyImpl {
      * @param <T> value type
      * @return a new key for the value key and registry key
      */
-    @ApiStatus.Experimental
     static <T> TypedKey<T> create(final RegistryKey<T> registryKey, final Key key) {
         return new TypedKeyImpl<>(key, registryKey);
     }
@@ -53,8 +51,7 @@ public sealed interface TypedKey<T> extends Key permits TypedKeyImpl {
      * @return a new key for the value key and registry key
      * @see Key#key(String)
      */
-    @ApiStatus.Experimental
-    static <T> TypedKey<T> create(final RegistryKey<T> registryKey, final @KeyPattern String key) {
+    static <T> TypedKey<T> create(final RegistryKey<T> registryKey, @KeyPattern final String key) {
         return create(registryKey, Key.key(key));
     }
 }

paper-api/src/main/java/io/papermc/paper/registry/event/RegistryEvents.java

@@ -24,11 +24,14 @@ import static io.papermc.paper.registry.event.RegistryEventProviderImpl.create;
 @NullMarked
 public final class RegistryEvents {
 
+    // Start generate - RegistryEvents
+    // @GeneratedFrom 1.21.4
     public static final RegistryEventProvider<GameEvent, GameEventRegistryEntry.Builder> GAME_EVENT = create(RegistryKey.GAME_EVENT);
-    public static final RegistryEventProvider<Enchantment, EnchantmentRegistryEntry.Builder> ENCHANTMENT = create(RegistryKey.ENCHANTMENT);
-    public static final RegistryEventProvider<Art, PaintingVariantRegistryEntry.Builder> PAINTING_VARIANT = create(RegistryKey.PAINTING_VARIANT);
-    public static final RegistryEventProvider<PatternType, BannerPatternRegistryEntry.Builder> BANNER_PATTERN = create(RegistryKey.BANNER_PATTERN);
     public static final RegistryEventProvider<DamageType, DamageTypeRegistryEntry.Builder> DAMAGE_TYPE = create(RegistryKey.DAMAGE_TYPE);
+    public static final RegistryEventProvider<Enchantment, EnchantmentRegistryEntry.Builder> ENCHANTMENT = create(RegistryKey.ENCHANTMENT);
+    public static final RegistryEventProvider<PatternType, BannerPatternRegistryEntry.Builder> BANNER_PATTERN = create(RegistryKey.BANNER_PATTERN);
+    public static final RegistryEventProvider<Art, PaintingVariantRegistryEntry.Builder> PAINTING_VARIANT = create(RegistryKey.PAINTING_VARIANT);
+    // End generate - RegistryEvents
 
     private RegistryEvents() {
     }

paper-api/src/main/java/io/papermc/paper/registry/tag/TagKey.java

@@ -1,7 +1,9 @@
 package io.papermc.paper.registry.tag;
 
 import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
 import net.kyori.adventure.key.Key;
+import net.kyori.adventure.key.KeyPattern;
 import net.kyori.adventure.key.Keyed;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Contract;
@@ -15,15 +17,29 @@ public sealed interface TagKey<T> extends Keyed permits TagKeyImpl {
      * Creates a new tag key for a registry.
      *
      * @param registryKey the registry for the tag
-     * @param key the specific key for the tag
+     * @param key         the specific key for the tag
+     * @param <T>         the registry value type
      * @return a new tag key
-     * @param <T> the registry value type
      */
     @Contract(value = "_, _ -> new", pure = true)
     static <T> TagKey<T> create(final RegistryKey<T> registryKey, final Key key) {
         return new TagKeyImpl<>(registryKey, key);
     }
 
+    /**
+     * Creates a new tag key for a registry.
+     *
+     * @param registryKey the registry for the tag
+     * @param key         the string version of a {@link Key} that will be passed to {@link Key#key(String)} for parsing.
+     * @param <T>         the registry value type
+     * @return a new tag key
+     * @see Key#key(String)
+     */
+    @ApiStatus.Experimental
+    static <T> TagKey<T> create(final RegistryKey<T> registryKey, @KeyPattern final String key) {
+        return create(registryKey, Key.key(key));
+    }
+
     /**
      * Get the registry key for this tag key.
      *

paper-api/src/main/java/io/papermc/paper/tag/PostFlattenTagRegistrar.java

@@ -19,18 +19,20 @@ import org.jspecify.annotations.NullMarked;
  * tags only point to individual entries and not other nested tags.
  * <p>
  * An example of a custom enchant being registered to the vanilla
- * {@code #minecraft:in_enchanting_table} tag.
+ * {@code #minecraft:in_enchanting_table} tag:
  * <pre>{@code
  * class YourBootstrapClass implements PluginBootstrap {
  *
+ *     public static final TypedKey<Enchantment> CUSTOM_POINTY_ENCHANT = EnchantmentKeys.create(Key.key("papermc:pointy"));
+ *
  *     @Override
  *     public void bootstrap(BootstrapContext context) {
- *         LifecycleEventManager<BootstrapContext> manager = context.getLifecycleManager();
+ *         final LifecycleEventManager<BootstrapContext> manager = context.getLifecycleManager();
  *         manager.registerEventHandler(LifecycleEvents.TAGS.postFlatten(RegistryKey.ENCHANTMENT), event -> {
  *             final PostFlattenTagRegistrar<Enchantment> registrar = event.registrar();
  *             registrar.addToTag(
  *                 EnchantmentTagKeys.IN_ENCHANTING_TABLE,
- *                 Set.of(CUSTOM_ENCHANT)
+ *                 Set.of(CUSTOM_POINTY_ENCHANT)
  *             );
  *         });
  *     }

paper-api/src/main/java/io/papermc/paper/tag/PreFlattenTagRegistrar.java

@@ -22,9 +22,11 @@ import org.jspecify.annotations.NullMarked;
  * <pre>{@code
  * class YourBootstrapClass implements PluginBootstrap {
  *
+ *     public static final TagKey<ItemType> AXE_PICKAXE = ItemTypeTagKeys.create(Key.key("papermc:axe_pickaxe"));
+ *
  *     @Override
  *     public void bootstrap(BootstrapContext context) {
- *         LifecycleEventManager<BootstrapContext> manager = context.getLifecycleManager();
+ *         final LifecycleEventManager<BootstrapContext> manager = context.getLifecycleManager();
  *         manager.registerEventHandler(LifecycleEvents.TAGS.preFlatten(RegistryKey.ITEM), event -> {
  *             final PreFlattenTagRegistrar<ItemType> registrar = event.registrar();
  *             registrar.setTag(AXE_PICKAXE, Set.of(

paper-api/src/main/java/org/bukkit/Art.java

@@ -2,12 +2,13 @@ package org.bukkit;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
+import io.papermc.paper.registry.RegistryAccess;
 import io.papermc.paper.registry.RegistryBuilderFactory;
+import io.papermc.paper.registry.RegistryKey;
 import io.papermc.paper.registry.data.InlinedRegistryBuilderProvider;
 import io.papermc.paper.registry.data.PaintingVariantRegistryEntry;
 import java.util.Locale;
 import java.util.function.Consumer;
-import org.bukkit.packs.DataPack;
 import org.bukkit.util.OldEnum;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
@@ -18,8 +19,8 @@ import org.jetbrains.annotations.Nullable;
  * <p>
  * The arts listed in this interface are present in the default server
  * or can be enabled via a {@link FeatureFlag}.
- * There may be additional arts present in the server, for example from a {@link DataPack}
- * which can be accessed via {@link Registry#ART}.
+ * There may be additional arts present in the server, for example from a {@link io.papermc.paper.datapack.Datapack}
+ * which can be accessed via {@link RegistryAccess#registryAccess()} and {@link RegistryKey#PAINTING_VARIANT}.
  */
 public interface Art extends OldEnum<Art>, Keyed {
 
@@ -34,60 +35,112 @@ public interface Art extends OldEnum<Art>, Keyed {
         return InlinedRegistryBuilderProvider.instance().createPaintingVariant(value);
     }
 
-    Art KEBAB = getArt("kebab");
-    Art AZTEC = getArt("aztec");
+    // Start generate - Art
+    // @GeneratedFrom 1.21.4
     Art ALBAN = getArt("alban");
+
+    Art AZTEC = getArt("aztec");
+
     Art AZTEC2 = getArt("aztec2");
-    Art BOMB = getArt("bomb");
-    Art PLANT = getArt("plant");
-    Art WASTELAND = getArt("wasteland");
-    Art POOL = getArt("pool");
-    Art COURBET = getArt("courbet");
-    Art SEA = getArt("sea");
-    Art SUNSET = getArt("sunset");
-    Art CREEBET = getArt("creebet");
-    Art WANDERER = getArt("wanderer");
-    Art GRAHAM = getArt("graham");
-    Art MATCH = getArt("match");
-    Art BUST = getArt("bust");
-    Art STAGE = getArt("stage");
-    Art VOID = getArt("void");
-    Art SKULL_AND_ROSES = getArt("skull_and_roses");
-    Art WITHER = getArt("wither");
-    Art FIGHTERS = getArt("fighters");
-    Art POINTER = getArt("pointer");
-    Art PIGSCENE = getArt("pigscene");
-    Art BURNING_SKULL = getArt("burning_skull");
-    Art SKELETON = getArt("skeleton");
-    Art DONKEY_KONG = getArt("donkey_kong");
-    Art EARTH = getArt("earth");
-    Art WIND = getArt("wind");
-    Art WATER = getArt("water");
-    Art FIRE = getArt("fire");
-    Art BAROQUE = getArt("baroque");
-    Art HUMBLE = getArt("humble");
-    Art MEDITATIVE = getArt("meditative");
-    Art PRAIRIE_RIDE = getArt("prairie_ride");
-    Art UNPACKED = getArt("unpacked");
+
     Art BACKYARD = getArt("backyard");
+
+    Art BAROQUE = getArt("baroque");
+
+    Art BOMB = getArt("bomb");
+
     Art BOUQUET = getArt("bouquet");
+
+    Art BURNING_SKULL = getArt("burning_skull");
+
+    Art BUST = getArt("bust");
+
     Art CAVEBIRD = getArt("cavebird");
+
     Art CHANGING = getArt("changing");
+
     Art COTAN = getArt("cotan");
+
+    Art COURBET = getArt("courbet");
+
+    Art CREEBET = getArt("creebet");
+
+    Art DONKEY_KONG = getArt("donkey_kong");
+
+    Art EARTH = getArt("earth");
+
     Art ENDBOSS = getArt("endboss");
+
     Art FERN = getArt("fern");
+
+    Art FIGHTERS = getArt("fighters");
+
     Art FINDING = getArt("finding");
+
+    Art FIRE = getArt("fire");
+
+    Art GRAHAM = getArt("graham");
+
+    Art HUMBLE = getArt("humble");
+
+    Art KEBAB = getArt("kebab");
+
     Art LOWMIST = getArt("lowmist");
+
+    Art MATCH = getArt("match");
+
+    Art MEDITATIVE = getArt("meditative");
+
     Art ORB = getArt("orb");
+
     Art OWLEMONS = getArt("owlemons");
+
     Art PASSAGE = getArt("passage");
+
+    Art PIGSCENE = getArt("pigscene");
+
+    Art PLANT = getArt("plant");
+
+    Art POINTER = getArt("pointer");
+
     Art POND = getArt("pond");
+
+    Art POOL = getArt("pool");
+
+    Art PRAIRIE_RIDE = getArt("prairie_ride");
+
+    Art SEA = getArt("sea");
+
+    Art SKELETON = getArt("skeleton");
+
+    Art SKULL_AND_ROSES = getArt("skull_and_roses");
+
+    Art STAGE = getArt("stage");
+
     Art SUNFLOWERS = getArt("sunflowers");
+
+    Art SUNSET = getArt("sunset");
+
     Art TIDES = getArt("tides");
 
+    Art UNPACKED = getArt("unpacked");
+
+    Art VOID = getArt("void");
+
+    Art WANDERER = getArt("wanderer");
+
+    Art WASTELAND = getArt("wasteland");
+
+    Art WATER = getArt("water");
+
+    Art WIND = getArt("wind");
+
+    Art WITHER = getArt("wither");
+    // End generate - Art
+
     @NotNull
     private static Art getArt(@NotNull String key) {
-        return Registry.ART.getOrThrow(NamespacedKey.minecraft(key));
+        return RegistryAccess.registryAccess().getRegistry(RegistryKey.PAINTING_VARIANT).getOrThrow(NamespacedKey.minecraft(key));
     }
 
     /**
@@ -189,7 +242,7 @@ public interface Art extends OldEnum<Art>, Keyed {
     static Art getByName(@NotNull String name) {
         Preconditions.checkArgument(name != null, "Name cannot be null");
 
-        return Bukkit.getUnsafe().get(Registry.ART, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
+        return Bukkit.getUnsafe().get(RegistryKey.PAINTING_VARIANT, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
     }
 
     /**
@@ -200,7 +253,7 @@ public interface Art extends OldEnum<Art>, Keyed {
     @NotNull
     @Deprecated(since = "1.21.3", forRemoval = true) @org.jetbrains.annotations.ApiStatus.ScheduledForRemoval(inVersion = "1.22") // Paper - will be removed via asm-utils
     static Art valueOf(@NotNull String name) {
-        Art art = Bukkit.getUnsafe().get(Registry.ART, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
+        Art art = Bukkit.getUnsafe().get(RegistryKey.PAINTING_VARIANT, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
         Preconditions.checkArgument(art != null, "No art found with the name %s", name);
         return art;
     }

paper-api/src/main/java/org/bukkit/Bukkit.java

@@ -40,6 +40,7 @@ import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemCraftResult;
 import org.bukkit.inventory.ItemFactory;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.MenuType;
 import org.bukkit.inventory.Merchant;
 import org.bukkit.inventory.Recipe;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -1372,7 +1373,11 @@ public final class Bukkit {
      * Sets the radius, in blocks, around each worlds spawn point to protect.
      *
      * @param value new spawn radius, or 0 if none
+     * @deprecated has not functioned for a long time as the spawn radius is defined by the server.properties file.
+     * There is no API replacement for this method. It is generally recommended to implement "protection"-like behaviour
+     * via events or third-party plugin APIs.
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     public static void setSpawnRadius(int value) {
         server.setSpawnRadius(value);
     }
@@ -1925,7 +1930,10 @@ public final class Bukkit {
      * @param title the title of the corresponding merchant inventory, displayed
      * when the merchant inventory is viewed
      * @return a new merchant
+     * @deprecated The title parameter is no-longer needed when used with
+     * {@link MenuType#MERCHANT} and {@link MenuType.Typed#builder()}.
      */
+    @Deprecated(since = "1.21.4")
     public static @NotNull Merchant createMerchant(net.kyori.adventure.text.@Nullable Component title) {
         return server.createMerchant(title);
     }
@@ -1936,7 +1944,8 @@ public final class Bukkit {
      * @param title the title of the corresponding merchant inventory, displayed
      * when the merchant inventory is viewed
      * @return a new merchant
-     * @deprecated in favour of {@link #createMerchant(net.kyori.adventure.text.Component)}
+     * @deprecated in favour of {@link #createMerchant(net.kyori.adventure.text.Component)}. The title parameter is
+     * no-longer needed when used with {@link MenuType#MERCHANT} and {@link MenuType.Typed#builder()}
      */
     @NotNull
     @Deprecated // Paper
@@ -1944,6 +1953,16 @@ public final class Bukkit {
         return server.createMerchant(title);
     }
 
+    /**
+     * Creates an empty merchant.
+     *
+     * @return a new merchant
+     */
+    @NotNull
+    public static Merchant createMerchant() {
+        return server.createMerchant();
+    }
+
     /**
      * Gets the amount of consecutive neighbor updates before skipping
      * additional ones.
@@ -2961,8 +2980,19 @@ public final class Bukkit {
     }
     // Paper end - Folia region threading API
 
+    /**
+     * @deprecated All methods on this class have been deprecated, see the individual methods for replacements.
+     */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     @NotNull
     public static Server.Spigot spigot() {
         return server.spigot();
     }
+
+    /**
+     * Restarts the server. If the server administrator has not configured restarting, the server will stop.
+     */
+    public static void restart() {
+        server.restart();
+    }
 }

paper-api/src/main/java/org/bukkit/EntityEffect.java

@@ -1,9 +1,14 @@
 package org.bukkit;
 
 import com.google.common.base.Preconditions;
-import org.bukkit.entity.Ageable;
+import io.papermc.paper.datacomponent.DataComponentTypes;
+import org.bukkit.entity.Allay;
+import org.bukkit.entity.Animals;
+import org.bukkit.entity.Armadillo;
 import org.bukkit.entity.ArmorStand;
+import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Cat;
+import org.bukkit.entity.Creaking;
 import org.bukkit.entity.Dolphin;
 import org.bukkit.entity.Egg;
 import org.bukkit.entity.Entity;
@@ -15,6 +20,8 @@ import org.bukkit.entity.Guardian;
 import org.bukkit.entity.Hoglin;
 import org.bukkit.entity.IronGolem;
 import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Mob;
+import org.bukkit.entity.Ocelot;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Rabbit;
 import org.bukkit.entity.Ravager;
@@ -23,7 +30,6 @@ import org.bukkit.entity.Sniffer;
 import org.bukkit.entity.Snowball;
 import org.bukkit.entity.Squid;
 import org.bukkit.entity.Tameable;
-import org.bukkit.entity.TippedArrow;
 import org.bukkit.entity.Villager;
 import org.bukkit.entity.Warden;
 import org.bukkit.entity.Witch;
@@ -32,32 +38,34 @@ import org.bukkit.entity.Zoglin;
 import org.bukkit.entity.ZombieVillager;
 import org.bukkit.entity.minecart.ExplosiveMinecart;
 import org.bukkit.entity.minecart.SpawnerMinecart;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
+import java.util.Set;
 
 /**
- * A list of all Effects that can happen to entities.
+ * A list of all effects that can happen to entities.
  */
 public enum EntityEffect {
 
     /**
-     * Colored particles from a tipped arrow.
+     * Colored particles from an arrow.
      */
-    ARROW_PARTICLES(0, TippedArrow.class),
+    ARROW_PARTICLES(0, Arrow.class),
     /**
      * Rabbit jumping.
      */
     RABBIT_JUMP(1, Rabbit.class),
     /**
-     * Resets a spawner minecart's delay to 200. Does not effect actual spawning
-     * delay, only the speed at which the entity in the spawner spins
+     * Resets a spawner minecart's delay to 200. Does not affect actual spawning
+     * delay, only the speed at which the entity in the spawner spins.
      */
     RESET_SPAWNER_MINECART_DELAY(1, SpawnerMinecart.class),
     /**
      * When mobs get hurt.
      *
-     * @deprecated Use {@link LivingEntity#playHurtAnimation(float)}
+     * @deprecated use {@link LivingEntity#playHurtAnimation(float)}
      */
-    @Deprecated(since = "1.20.1")
+    @Deprecated(since = "1.20.1", forRemoval = true)
     HURT(2, LivingEntity.class),
     /**
      * When a mob dies.
@@ -65,58 +73,97 @@ public enum EntityEffect {
      * <b>This will cause client-glitches!</b>
      *
      * @deprecated split into individual effects
-     * @see #EGG_BREAK
-     * @see #SNOWBALL_BREAK
+     * @see #PROJECTILE_CRACK
      * @see #ENTITY_DEATH
      */
-    @Deprecated(since = "1.12.2")
+    @Deprecated(since = "1.12.2", forRemoval = true)
     DEATH(3, Entity.class),
     /**
-     * Spawns the egg breaking particles
+     * Spawns the egg breaking particles.
+     *
+     * @deprecated use {@link #PROJECTILE_CRACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     EGG_BREAK(3, Egg.class),
     /**
-     * Spawns the snowball breaking particles
+     * Spawns the snowball breaking particles.
+     *
+     * @deprecated use {@link #PROJECTILE_CRACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     SNOWBALL_BREAK(3, Snowball.class),
     /**
-     * Plays the entity death sound and animation
+     * Shows the crack particles when a projectile
+     * hits something.
+     */
+    PROJECTILE_CRACK(3, Egg.class, Snowball.class),
+    /**
+     * Plays the entity death sound and animation.
      * <p>
      * <b>This will cause client-glitches!</b>
      */
     ENTITY_DEATH(3, LivingEntity.class),
     /**
-     * Plays the fang attack animation
+     * Plays the evoker's fang attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     FANG_ATTACK(4, EvokerFangs.class),
     /**
-     * Plays the hoglin attack animation
+     * Plays the hoglin attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     HOGLIN_ATTACK(4, Hoglin.class),
     /**
-     * Plays the iron golem attack animation
+     * Plays the iron golem attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     IRON_GOLEN_ATTACK(4, IronGolem.class),
     /**
-     * Plays the ravager attack animation
+     * Plays the ravager attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     RAVAGER_ATTACK(4, Ravager.class),
     /**
-     * Plays the warden attack animation
+     * Plays the warden attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     WARDEN_ATTACK(4, Warden.class),
     /**
-     * Plays the zoglin attack animation
+     * Plays the zoglin attack animation.
+     *
+     * @deprecated use {@link #ENTITY_ATTACK}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     ZOGLIN_ATTACK(4, Zoglin.class),
+    /**
+     * Plays an attack animation for the respective entities.
+     */
+    ENTITY_ATTACK(4, EvokerFangs.class, Hoglin.class, IronGolem.class, Ravager.class, Warden.class, Zoglin.class, Creaking.class),
     // 5 - unused
     /**
      * The smoke when taming an entity fails.
+     *
      * @deprecated use {@link EntityEffect#TAMING_FAILED}
      */
-    @Deprecated(since = "1.21") // Paper
+    @Deprecated(since = "1.21", forRemoval = true)
     WOLF_SMOKE(6, Tameable.class),
-    // Paper start - rename "wolf" effects
+    /**
+     * The hearts when taming an entity succeeds.
+     *
+     * @deprecated use {@link EntityEffect#TAMING_SUCCEEDED}
+     */
+    @Deprecated(since = "1.21", forRemoval = true)
+    WOLF_HEARTS(7, Tameable.class),
     /**
      * The smoke when taming an entity fails.
      */
@@ -125,20 +172,13 @@ public enum EntityEffect {
      * The hearts when taming an entity succeeds.
      */
     TAMING_SUCCEEDED(7, Tameable.class),
-    // Paper end - rename "wolf" effects
-    /**
-     * The hearts when taming an entity succeeds.
-     * @deprecated use {@link EntityEffect#TAMING_SUCCEEDED}
-     */
-    @Deprecated(since = "1.21") // Paper
-    WOLF_HEARTS(7, Tameable.class),
     /**
      * When a wolf shakes (after being wet).
      *
      * @see EntityEffect#WOLF_SHAKE_STOP
      */
     WOLF_SHAKE(8, Wolf.class),
-    // 9 - unused
+    // 9 - internal
     /**
      * When an entity eats a LONG_GRASS block.
      *
@@ -146,10 +186,10 @@ public enum EntityEffect {
      * @see #SHEEP_EAT_GRASS
      * @see #TNT_MINECART_IGNITE
      */
-    @Deprecated(since = "1.12.2")
+    @Deprecated(since = "1.12.2", forRemoval = true)
     SHEEP_EAT(10, Entity.class),
     /**
-     * Plays the sheep eating grass animation
+     * Plays the sheep eating grass animation.
      */
     SHEEP_EAT_GRASS(10, Sheep.class),
     /**
@@ -179,7 +219,8 @@ public enum EntityEffect {
      */
     WITCH_MAGIC(15, Witch.class),
     /**
-     * When a zombie transforms into a villager by shaking violently.
+     * Plays the sound when a zombie villager is
+     * cured.
      */
     ZOMBIE_TRANSFORM(16, ZombieVillager.class),
     /**
@@ -187,9 +228,10 @@ public enum EntityEffect {
      */
     FIREWORK_EXPLODE(17, Firework.class),
     /**
-     * Hearts from a breeding entity.
+     * Hearts from a breeding entity
+     * or when an Allay duplicates.
      */
-    LOVE_HEARTS(18, Ageable.class),
+    LOVE_HEARTS(18, Animals.class, Allay.class),
     /**
      * Resets squid rotation.
      */
@@ -197,7 +239,7 @@ public enum EntityEffect {
     /**
      * Silverfish entering block, spawner spawning.
      */
-    ENTITY_POOF(20, LivingEntity.class),
+    ENTITY_POOF(20, Mob.class),
     /**
      * Guardian plays the attack sound effect.
      */
@@ -218,9 +260,10 @@ public enum EntityEffect {
     ARMOR_STAND_HIT(32, ArmorStand.class),
     /**
      * Entity hurt by thorns attack.
+     *
      * @deprecated in favor of {@link LivingEntity#playHurtAnimation(float)} or {@link Entity#broadcastHurtAnimation(java.util.Collection)}
      */
-    @Deprecated(since = "1.19.4", forRemoval = true) // Paper
+    @Deprecated(since = "1.19.4", forRemoval = true)
     THORNS_HURT(33, LivingEntity.class),
     /**
      * Iron golem puts away rose.
@@ -228,16 +271,27 @@ public enum EntityEffect {
     IRON_GOLEM_SHEATH(34, IronGolem.class),
     /**
      * Totem prevents entity death.
+     *
+     * @deprecated see {@link #PROTECTED_FROM_DEATH}
      */
+    @Deprecated(since = "1.21.2", forRemoval = true)
     TOTEM_RESURRECT(35, LivingEntity.class),
+    /**
+     * Item with {@link DataComponentTypes#DEATH_PROTECTION} prevents entity death.
+     * For player, the item selected will be shown for a moment on the screen, if the
+     * item is not found a totem will appear.
+     */
+    PROTECTED_FROM_DEATH(35, Entity.class),
     /**
      * Entity hurt due to drowning damage.
+     *
      * @deprecated in favor of {@link LivingEntity#playHurtAnimation(float)} or {@link Entity#broadcastHurtAnimation(java.util.Collection)}
      */
     @Deprecated(since = "1.19.4", forRemoval = true)
     HURT_DROWN(36, LivingEntity.class),
     /**
      * Entity hurt due to explosion damage.
+     *
      * @deprecated in favor of {@link LivingEntity#playHurtAnimation(float)} or {@link Entity#broadcastHurtAnimation(java.util.Collection)}
      */
     @Deprecated(since = "1.19.4", forRemoval = true)
@@ -252,66 +306,94 @@ public enum EntityEffect {
     RAVAGER_STUNNED(39, Ravager.class),
     /**
      * Cat taming failed.
+     *
+     * @deprecated use {@link #TRUSTING_FAILED}
      */
+    @Deprecated(since = "1.14", forRemoval = true)
     CAT_TAME_FAIL(40, Cat.class),
     /**
      * Cat taming succeeded.
+     *
+     * @deprecated use {@link #TRUSTING_SUCCEEDED}
      */
+    @Deprecated(since = "1.14", forRemoval = true)
     CAT_TAME_SUCCESS(41, Cat.class),
+    /**
+     * Ocelot trusting failed.
+     */
+    TRUSTING_FAILED(40, Ocelot.class),
+    /**
+     * Ocelot trusting succeeded.
+     */
+    TRUSTING_SUCCEEDED(41, Ocelot.class),
     /**
      * Villager splashes particles during a raid.
      */
     VILLAGER_SPLASH(42, Villager.class),
     /**
      * Player's bad omen effect removed to start or increase raid difficult.
+     *
      * @deprecated raid system was overhauled in 1.20.5
      */
     @Deprecated(since = "1.20.5", forRemoval = true)
     PLAYER_BAD_OMEN_RAID(43, Player.class),
     /**
      * Entity hurt due to berry bush. Prickly!
+     *
      * @deprecated in favor of {@link LivingEntity#playHurtAnimation(float)} or {@link Entity#broadcastHurtAnimation(java.util.Collection)}
      */
     @Deprecated(since = "1.19.4", forRemoval = true)
     HURT_BERRY_BUSH(44, LivingEntity.class),
     /**
-     * Fox chews the food in its mouth
+     * Fox chews the food in its mouth.
      */
     FOX_CHEW(45, Fox.class),
     /**
-     * Entity teleported as a result of chorus fruit or as an enderman
+     * Entity teleported as a result of chorus fruit or as an enderman.
      */
     TELEPORT_ENDER(46, LivingEntity.class),
     /**
-     * Entity breaks item in main hand
+     * Entity breaks item in main hand.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#HAND
      */
     BREAK_EQUIPMENT_MAIN_HAND(47, LivingEntity.class),
     /**
-     * Entity breaks item in off hand
+     * Entity breaks item in off hand.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#OFF_HAND
      */
     BREAK_EQUIPMENT_OFF_HAND(48, LivingEntity.class),
     /**
-     * Entity breaks item in helmet slot
+     * Entity breaks item in helmet slot.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#HEAD
      */
     BREAK_EQUIPMENT_HELMET(49, LivingEntity.class),
     /**
-     * Entity breaks item in chestplate slot
+     * Entity breaks item in chestplate slot.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#CHEST
      */
     BREAK_EQUIPMENT_CHESTPLATE(50, LivingEntity.class),
     /**
-     * Entity breaks item in legging slot
+     * Entity breaks item in legging slot.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#LEGS
      */
     BREAK_EQUIPMENT_LEGGINGS(51, LivingEntity.class),
     /**
-     * Entity breaks item in boot slot
+     * Entity breaks item in boot slot.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#FEET
      */
     BREAK_EQUIPMENT_BOOTS(52, LivingEntity.class),
     /**
-     * Spawns honey block slide particles at the entity's feet
+     * Spawns honey block slide particles at the entity's feet.
      */
     HONEY_BLOCK_SLIDE_PARTICLES(53, Entity.class),
     /**
-     * Spawns honey block fall particles at the entity's feet
+     * Spawns honey block fall particles at the entity's feet.
      */
     HONEY_BLOCK_FALL_PARTICLES(54, LivingEntity.class),
     /**
@@ -319,110 +401,136 @@ public enum EntityEffect {
      */
     SWAP_HAND_ITEMS(55, LivingEntity.class),
     /**
-     * Stops a wolf that is currently shaking
+     * Stops a wolf that is currently shaking.
      *
      * @see EntityEffect#WOLF_SHAKE
      */
     WOLF_SHAKE_STOP(56, Wolf.class),
     // 57 - unused
     /**
-     * Goat lowers its head for ramming
+     * Goat lowers its head for ramming.
      *
      * @see #GOAT_RAISE_HEAD
      */
     GOAT_LOWER_HEAD(58, Goat.class),
     /**
-     * Goat raises its head
+     * Goat raises its head.
      *
      * @see #GOAT_LOWER_HEAD
      */
     GOAT_RAISE_HEAD(59, Goat.class),
     /**
-     * Spawns death smoke particles
+     * Spawns death smoke particles.
      */
     SPAWN_DEATH_SMOKE(60, LivingEntity.class),
     /**
-     * Warden shakes its tendrils
+     * Warden shakes its tendrils.
      */
     WARDEN_TENDRIL_SHAKE(61, Warden.class),
     /**
-     * Warden performs sonic attack animation <br>
-     * Does not play the sound or fire the beam
+     * Warden performs sonic attack animation.
+     * <br>
+     * Does not play the sound or fire the beam.
      */
     WARDEN_SONIC_ATTACK(62, Warden.class),
     /**
-     * Plays sniffer digging sound <br>
+     * Plays sniffer digging sound.
+     * <br>
      * Sniffer must have a target and be in {@link Sniffer.State#SEARCHING} or
-     * {@link Sniffer.State#DIGGING}
+     * {@link Sniffer.State#DIGGING}.
      */
     SNIFFER_DIG(63, Sniffer.class),
-    // Paper start - add missing EntityEffect
     /**
      * Armadillo peeks out of its shell
      */
-    ARMADILLO_PEEK(64, org.bukkit.entity.Armadillo.class),
+    ARMADILLO_PEEK(64, Armadillo.class),
     /**
-     * {@link org.bukkit.inventory.EquipmentSlot#BODY} armor piece breaks
+     * {@link org.bukkit.inventory.EquipmentSlot#BODY} armor piece breaks.
+     *
+     * @deprecated use {@link #BREAK_EQUIPMENT_BODY}
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     BODY_BREAK(65, LivingEntity.class),
+    /**
+     * Entity breaks item in body slot.
+     *
+     * @see org.bukkit.inventory.EquipmentSlot#BODY
+     */
+    BREAK_EQUIPMENT_BODY(65, LivingEntity.class),
     /**
      * A creaking transient shaking when being hit.
      * Does not apply to plain creaking entities as they are not invulnerable like the transient ones spawned by the
      * creaking heart.
      */
-    SHAKE(66, org.bukkit.entity.Creaking.class);
-    // Paper end - add missing EntityEffect
+    SHAKE(66, Creaking.class);
 
     private final byte data;
-    private final Class<? extends Entity> applicable;
+    private final Set<Class<? extends Entity>> applicableClasses;
 
-    EntityEffect(final int data, /*@NotNull*/ Class<? extends Entity> clazz) {
+    EntityEffect(int data, Class<? extends Entity>... applicableClasses) {
+        Preconditions.checkState(applicableClasses.length > 0, "Unknown applicable classes");
         this.data = (byte) data;
-        this.applicable = clazz;
+        this.applicableClasses = Set.of(applicableClasses);
     }
 
     /**
-     * Gets the data value of this EntityEffect, may not be unique.
+     * Gets the data value of this entity effect, may not be unique.
      *
-     * @return The data value
-     * @apiNote Internal Use Only
+     * @return the data value
      */
-    @org.jetbrains.annotations.ApiStatus.Internal // Paper
+    @ApiStatus.Internal
     public byte getData() {
-        return data;
+        return this.data;
     }
 
     /**
-     * Gets entity superclass which this affect is applicable to.
+     * Gets entity superclass which this entity effect is applicable to.
      *
      * @return applicable class
+     * @deprecated an entity effect can apply to multiple superclasses, see {@link #getApplicableClasses()}
      */
     @NotNull
+    @Deprecated(since = "1.21.4")
     public Class<? extends Entity> getApplicable() {
-        return applicable;
+        return this.applicableClasses.iterator().next();
     }
 
     /**
-     * Checks if this effect is applicable to the given entity.
+     * Gets the entity superclasses which this entity effect is applicable to.
+     *
+     * @return the applicable classes
+     */
+    @NotNull
+    public Set<Class<? extends Entity>> getApplicableClasses() {
+        return this.applicableClasses;
+    }
+
+    /**
+     * Checks if this entity effect is applicable to the given entity.
      *
      * @param entity the entity to check
-     * @return true if applicable
+     * @return {@code true} if applicable
      */
     public boolean isApplicableTo(@NotNull Entity entity) {
         Preconditions.checkArgument(entity != null, "Entity cannot be null");
 
-        return isApplicableTo(entity.getClass());
+        return this.isApplicableTo(entity.getClass());
     }
 
     /**
-     * Checks if this effect is applicable to the given entity class.
+     * Checks if this entity effect is applicable to the given entity class.
      *
      * @param clazz the entity class to check
-     * @return true if applicable
+     * @return {@code true} if applicable
      */
     public boolean isApplicableTo(@NotNull Class<? extends Entity> clazz) {
         Preconditions.checkArgument(clazz != null, "Class cannot be null");
 
-        return applicable.isAssignableFrom(clazz);
+        for (Class<? extends Entity> applicableClass : this.applicableClasses) {
+            if (applicableClass.isAssignableFrom(clazz)) {
+                return true;
+            }
+        }
+        return false;
     }
 }

paper-api/src/main/java/org/bukkit/FeatureFlag.java

@@ -14,19 +14,19 @@ import org.jetbrains.annotations.ApiStatus;
  */
 public interface FeatureFlag extends Keyed {
 
-    // Paper start - overhaul FeatureFlag API
-    /**
-     * The {@code vanilla} feature flag.
-     */
-    FeatureFlag VANILLA = create("vanilla");
+    // Start generate - FeatureFlag
+    // @GeneratedFrom 1.21.4
+    @ApiStatus.Experimental
+    FeatureFlag MINECART_IMPROVEMENTS = create("minecart_improvements");
 
-    /**
-     * <strong>AVAILABLE BETWEEN VERSIONS:</strong> 1.19.3 - 1.21.1
-     *
-     * @deprecated not available since 1.21.2
-     */
-    @Deprecated(since = "1.21.2")
-    FeatureFlag BUNDLE = deprecated("bundle");
+    @ApiStatus.Experimental
+    FeatureFlag REDSTONE_EXPERIMENTS = create("redstone_experiments");
+
+    @ApiStatus.Experimental
+    FeatureFlag TRADE_REBALANCE = create("trade_rebalance");
+
+    FeatureFlag VANILLA = create("vanilla");
+    // End generate - FeatureFlag
 
     /**
      * <strong>AVAILABLE BETWEEN VERSIONS:</strong> 1.19 - 1.19.4
@@ -37,9 +37,6 @@ public interface FeatureFlag extends Keyed {
     @Deprecated(since = "1.20")
     FeatureFlag UPDATE_1_20 = deprecated("update_1_20");
 
-    @ApiStatus.Experimental // Paper - add missing annotation
-    FeatureFlag TRADE_REBALANCE = create("trade_rebalance");
-
     /**
      * <strong>AVAILABLE BETWEEN VERSIONS:</strong> 1.20.5 - 1.20.6
      *
@@ -48,6 +45,14 @@ public interface FeatureFlag extends Keyed {
     @Deprecated(since = "1.21")
     FeatureFlag UPDATE_121 = deprecated("update_1_21");
 
+    /**
+     * <strong>AVAILABLE BETWEEN VERSIONS:</strong> 1.19.3 - 1.21.1
+     *
+     * @deprecated not available since 1.21.2
+     */
+    @Deprecated(since = "1.21.2")
+    FeatureFlag BUNDLE = deprecated("bundle");
+
     /**
      * <strong>AVAILABLE BETWEEN VERSIONS:</strong> 1.21.2 - 1.21.3
      *
@@ -56,12 +61,6 @@ public interface FeatureFlag extends Keyed {
     @Deprecated(since = "1.21.4")
     FeatureFlag WINTER_DROP = deprecated("winter_drop");
 
-    @ApiStatus.Experimental // Paper - add missing annotation
-    FeatureFlag REDSTONE_EXPERIMENTS = create("redstone_experiments");
-
-    @ApiStatus.Experimental // Paper - add missing annotation
-    FeatureFlag MINECART_IMPROVEMENTS = create("minecart_improvements");
-
     /**
      * An index of all feature flags.
      */

paper-api/src/main/java/org/bukkit/Fluid.java

@@ -2,6 +2,7 @@ package org.bukkit;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
+import io.papermc.paper.registry.RegistryKey;
 import java.util.Locale;
 import org.bukkit.util.OldEnum;
 import org.jetbrains.annotations.NotNull;
@@ -11,27 +12,19 @@ import org.jetbrains.annotations.NotNull;
  */
 public interface Fluid extends OldEnum<Fluid>, Keyed {
 
-    /**
-     * No fluid.
-     */
+    // Start generate - Fluid
+    // @GeneratedFrom 1.21.4
     Fluid EMPTY = getFluid("empty");
-    /**
-     * Stationary water.
-     */
-    Fluid WATER = getFluid("water");
-    /**
-     * Flowing water.
-     */
-    Fluid FLOWING_WATER = getFluid("flowing_water");
-    /**
-     * Stationary lava.
-     */
-    Fluid LAVA = getFluid("lava");
-    /**
-     * Flowing lava.
-     */
+
     Fluid FLOWING_LAVA = getFluid("flowing_lava");
 
+    Fluid FLOWING_WATER = getFluid("flowing_water");
+
+    Fluid LAVA = getFluid("lava");
+
+    Fluid WATER = getFluid("water");
+    // End generate - Fluid
+
     @NotNull
     private static Fluid getFluid(@NotNull String key) {
         return Registry.FLUID.getOrThrow(NamespacedKey.minecraft(key));
@@ -45,7 +38,7 @@ public interface Fluid extends OldEnum<Fluid>, Keyed {
     @NotNull
     @Deprecated(since = "1.21.3", forRemoval = true) @org.jetbrains.annotations.ApiStatus.ScheduledForRemoval(inVersion = "1.22") // Paper - will be removed via asm-utils
     static Fluid valueOf(@NotNull String name) {
-        Fluid fluid = Bukkit.getUnsafe().get(Registry.FLUID, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
+        Fluid fluid = Bukkit.getUnsafe().get(RegistryKey.FLUID, NamespacedKey.fromString(name.toLowerCase(Locale.ROOT)));
         Preconditions.checkArgument(fluid != null, "No fluid found with the name %s", name);
         return fluid;
     }

paper-api/src/main/java/org/bukkit/GameEvent.java

@@ -11,107 +11,229 @@ import org.jetbrains.annotations.Nullable;
  */
 public abstract class GameEvent implements Keyed {
 
+    // Start generate - GameEvent
+    // @GeneratedFrom 1.21.4
     public static final GameEvent BLOCK_ACTIVATE = getEvent("block_activate");
+
     public static final GameEvent BLOCK_ATTACH = getEvent("block_attach");
+
     public static final GameEvent BLOCK_CHANGE = getEvent("block_change");
+
     public static final GameEvent BLOCK_CLOSE = getEvent("block_close");
+
     public static final GameEvent BLOCK_DEACTIVATE = getEvent("block_deactivate");
+
     public static final GameEvent BLOCK_DESTROY = getEvent("block_destroy");
+
     public static final GameEvent BLOCK_DETACH = getEvent("block_detach");
+
     public static final GameEvent BLOCK_OPEN = getEvent("block_open");
+
     public static final GameEvent BLOCK_PLACE = getEvent("block_place");
-    @Deprecated(since = "1.19")
-    public static final GameEvent BLOCK_PRESS = getEvent("block_activate");
-    @Deprecated(since = "1.19")
-    public static final GameEvent BLOCK_SWITCH = getEvent("block_activate");
-    @Deprecated(since = "1.19")
-    public static final GameEvent BLOCK_UNPRESS = getEvent("block_deactivate");
-    @Deprecated(since = "1.19")
-    public static final GameEvent BLOCK_UNSWITCH = getEvent("block_deactivate");
+
     public static final GameEvent CONTAINER_CLOSE = getEvent("container_close");
+
     public static final GameEvent CONTAINER_OPEN = getEvent("container_open");
-    @Deprecated(since = "1.20")
-    public static final GameEvent DISPENSE_FAIL = getEvent("block_activate");
+
     public static final GameEvent DRINK = getEvent("drink");
-    @Deprecated(since = "1.19")
-    public static final GameEvent DRINKING_FINISH = getEvent("drink");
+
     public static final GameEvent EAT = getEvent("eat");
-    @Deprecated(since = "1.19")
-    public static final GameEvent ELYTRA_FREE_FALL = getEvent("elytra_glide");
+
     public static final GameEvent ELYTRA_GLIDE = getEvent("elytra_glide");
-    public static final GameEvent ENTITY_DAMAGE = getEvent("entity_damage");
-    @Deprecated(since = "1.19")
-    public static final GameEvent ENTITY_DAMAGED = getEvent("entity_damage");
-    public static final GameEvent ENTITY_DIE = getEvent("entity_die");
-    public static final GameEvent ENTITY_DISMOUNT = getEvent("entity_dismount");
-    @Deprecated(since = "1.19")
-    public static final GameEvent ENTITY_DYING = getEvent("entity_die");
-    public static final GameEvent ENTITY_INTERACT = getEvent("entity_interact");
-    public static final GameEvent ENTITY_MOUNT = getEvent("entity_mount");
-    @Deprecated(since = "1.19")
-    public static final GameEvent ENTITY_KILLED = getEvent("entity_die");
-    public static final GameEvent ENTITY_PLACE = getEvent("entity_place");
+
     public static final GameEvent ENTITY_ACTION = getEvent("entity_action");
-    @Deprecated(since = "1.20.2")
-    public static final GameEvent ENTITY_ROAR = getEvent("entity_action");
-    @Deprecated(since = "1.20.2")
-    public static final GameEvent ENTITY_SHAKE = getEvent("entity_action");
+
+    public static final GameEvent ENTITY_DAMAGE = getEvent("entity_damage");
+
+    public static final GameEvent ENTITY_DIE = getEvent("entity_die");
+
+    public static final GameEvent ENTITY_DISMOUNT = getEvent("entity_dismount");
+
+    public static final GameEvent ENTITY_INTERACT = getEvent("entity_interact");
+
+    public static final GameEvent ENTITY_MOUNT = getEvent("entity_mount");
+
+    public static final GameEvent ENTITY_PLACE = getEvent("entity_place");
+
     public static final GameEvent EQUIP = getEvent("equip");
+
     public static final GameEvent EXPLODE = getEvent("explode");
+
     public static final GameEvent FLAP = getEvent("flap");
+
     public static final GameEvent FLUID_PICKUP = getEvent("fluid_pickup");
+
     public static final GameEvent FLUID_PLACE = getEvent("fluid_place");
+
     public static final GameEvent HIT_GROUND = getEvent("hit_ground");
+
     public static final GameEvent INSTRUMENT_PLAY = getEvent("instrument_play");
+
     public static final GameEvent ITEM_INTERACT_FINISH = getEvent("item_interact_finish");
+
     public static final GameEvent ITEM_INTERACT_START = getEvent("item_interact_start");
+
     public static final GameEvent JUKEBOX_PLAY = getEvent("jukebox_play");
+
     public static final GameEvent JUKEBOX_STOP_PLAY = getEvent("jukebox_stop_play");
+
     public static final GameEvent LIGHTNING_STRIKE = getEvent("lightning_strike");
-    @Deprecated(since = "1.19")
-    public static final GameEvent MOB_INTERACT = getEvent("entity_interact");
+
     public static final GameEvent NOTE_BLOCK_PLAY = getEvent("note_block_play");
-    @Deprecated(since = "1.20")
-    public static final GameEvent PISTON_CONTRACT = getEvent("block_deactivate");
-    @Deprecated(since = "1.20")
-    public static final GameEvent PISTON_EXTEND = getEvent("block_activate");
+
     public static final GameEvent PRIME_FUSE = getEvent("prime_fuse");
+
     public static final GameEvent PROJECTILE_LAND = getEvent("projectile_land");
+
     public static final GameEvent PROJECTILE_SHOOT = getEvent("projectile_shoot");
-    @Deprecated(since = "1.19")
-    public static final GameEvent RAVAGER_ROAR = getEvent("entity_action");
-    @Deprecated(since = "1.19")
-    public static final GameEvent RING_BELL = getEvent("block_change");
-    public static final GameEvent SCULK_SENSOR_TENDRILS_CLICKING = getEvent("sculk_sensor_tendrils_clicking");
-    public static final GameEvent SHEAR = getEvent("shear");
-    public static final GameEvent SHRIEK = getEvent("shriek");
-    @Deprecated(since = "1.19")
-    public static final GameEvent SHULKER_CLOSE = getEvent("container_close");
-    @Deprecated(since = "1.19")
-    public static final GameEvent SHULKER_OPEN = getEvent("container_open");
-    public static final GameEvent SPLASH = getEvent("splash");
-    public static final GameEvent STEP = getEvent("step");
-    public static final GameEvent SWIM = getEvent("swim");
-    public static final GameEvent TELEPORT = getEvent("teleport");
-    public static final GameEvent UNEQUIP = getEvent("unequip");
-    @Deprecated(since = "1.19")
-    public static final GameEvent WOLF_SHAKING = getEvent("entity_action");
+
     public static final GameEvent RESONATE_1 = getEvent("resonate_1");
+
     public static final GameEvent RESONATE_2 = getEvent("resonate_2");
+
     public static final GameEvent RESONATE_3 = getEvent("resonate_3");
+
     public static final GameEvent RESONATE_4 = getEvent("resonate_4");
+
     public static final GameEvent RESONATE_5 = getEvent("resonate_5");
+
     public static final GameEvent RESONATE_6 = getEvent("resonate_6");
+
     public static final GameEvent RESONATE_7 = getEvent("resonate_7");
+
     public static final GameEvent RESONATE_8 = getEvent("resonate_8");
+
     public static final GameEvent RESONATE_9 = getEvent("resonate_9");
+
     public static final GameEvent RESONATE_10 = getEvent("resonate_10");
+
     public static final GameEvent RESONATE_11 = getEvent("resonate_11");
+
     public static final GameEvent RESONATE_12 = getEvent("resonate_12");
+
     public static final GameEvent RESONATE_13 = getEvent("resonate_13");
+
     public static final GameEvent RESONATE_14 = getEvent("resonate_14");
+
     public static final GameEvent RESONATE_15 = getEvent("resonate_15");
 
+    public static final GameEvent SCULK_SENSOR_TENDRILS_CLICKING = getEvent("sculk_sensor_tendrils_clicking");
+
+    public static final GameEvent SHEAR = getEvent("shear");
+
+    public static final GameEvent SHRIEK = getEvent("shriek");
+
+    public static final GameEvent SPLASH = getEvent("splash");
+
+    public static final GameEvent STEP = getEvent("step");
+
+    public static final GameEvent SWIM = getEvent("swim");
+
+    public static final GameEvent TELEPORT = getEvent("teleport");
+
+    public static final GameEvent UNEQUIP = getEvent("unequip");
+    // End generate - GameEvent
+    /**
+     * @deprecated in favor of {@link #BLOCK_ACTIVATE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent BLOCK_PRESS = BLOCK_ACTIVATE;
+    /**
+     * @deprecated in favor of {@link #BLOCK_ACTIVATE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent BLOCK_SWITCH = BLOCK_ACTIVATE;
+    /**
+     * @deprecated in favor of {@link #BLOCK_DEACTIVATE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent BLOCK_UNPRESS = BLOCK_DEACTIVATE;
+    /**
+     * @deprecated in favor of {@link #BLOCK_DEACTIVATE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent BLOCK_UNSWITCH = BLOCK_DEACTIVATE;
+    /**
+     * @deprecated in favor of {@link #BLOCK_ACTIVATE}
+     */
+    @Deprecated(since = "1.20")
+    public static final GameEvent DISPENSE_FAIL = BLOCK_ACTIVATE;
+    /**
+     * @deprecated in favor of {@link #DRINK}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent DRINKING_FINISH = DRINK;
+    /**
+     * @deprecated in favor of {@link #ELYTRA_GLIDE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent ELYTRA_FREE_FALL = ELYTRA_GLIDE;
+    /**
+     * @deprecated in favor of {@link #ENTITY_DAMAGE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent ENTITY_DAMAGED = ENTITY_DAMAGE;
+    /**
+     * @deprecated in favor of {@link #ENTITY_DIE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent ENTITY_DYING = ENTITY_DIE;
+    /**
+     * @deprecated in favor of {@link #ENTITY_DIE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent ENTITY_KILLED = ENTITY_DIE;
+    /**
+     * @deprecated in favor of {@link #ENTITY_ACTION}
+     */
+    @Deprecated(since = "1.20.2")
+    public static final GameEvent ENTITY_ROAR = ENTITY_ACTION;
+    /**
+     * @deprecated in favor of {@link #ENTITY_ACTION}
+     */
+    @Deprecated(since = "1.20.2")
+    public static final GameEvent ENTITY_SHAKE = ENTITY_ACTION;
+    /**
+     * @deprecated in favor of {@link #ENTITY_INTERACT}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent MOB_INTERACT = ENTITY_INTERACT;
+    /**
+     * @deprecated in favor of {@link #BLOCK_DEACTIVATE}
+     */
+    @Deprecated(since = "1.20")
+    public static final GameEvent PISTON_CONTRACT = BLOCK_DEACTIVATE;
+    /**
+     * @deprecated in favor of {@link #BLOCK_ACTIVATE}
+     */
+    @Deprecated(since = "1.20")
+    public static final GameEvent PISTON_EXTEND = BLOCK_ACTIVATE;
+    /**
+     * @deprecated in favor of {@link #ENTITY_ACTION}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent RAVAGER_ROAR = ENTITY_ACTION;
+    /**
+     * @deprecated in favor of {@link #BLOCK_CHANGE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent RING_BELL = BLOCK_CHANGE;
+    /**
+     * @deprecated in favor of {@link #CONTAINER_CLOSE}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent SHULKER_CLOSE = CONTAINER_CLOSE;
+    /**
+     * @deprecated in favor of {@link #CONTAINER_OPEN}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent SHULKER_OPEN = CONTAINER_OPEN;
+    /**
+     * @deprecated in favor of {@link #ENTITY_ACTION}
+     */
+    @Deprecated(since = "1.19")
+    public static final GameEvent WOLF_SHAKING = ENTITY_ACTION;
+
     /**
      * Returns a {@link GameEvent} by a {@link NamespacedKey}.
      *

paper-api/src/main/java/org/bukkit/JukeboxSong.java

@@ -1,5 +1,7 @@
 package org.bukkit;
 
+import io.papermc.paper.registry.RegistryAccess;
+import io.papermc.paper.registry.RegistryKey;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
@@ -9,29 +11,50 @@ import org.jetbrains.annotations.NotNull;
 @ApiStatus.Experimental
 public interface JukeboxSong extends Keyed, Translatable {
 
-    public static final JukeboxSong THIRTEEN = get("13");
-    public static final JukeboxSong CAT = get("cat");
-    public static final JukeboxSong BLOCKS = get("blocks");
-    public static final JukeboxSong CHIRP = get("chirp");
-    public static final JukeboxSong FAR = get("far");
-    public static final JukeboxSong MALL = get("mall");
-    public static final JukeboxSong MELLOHI = get("mellohi");
-    public static final JukeboxSong STAL = get("stal");
-    public static final JukeboxSong STRAD = get("strad");
-    public static final JukeboxSong WARD = get("ward");
-    public static final JukeboxSong ELEVEN = get("11");
-    public static final JukeboxSong WAIT = get("wait");
-    public static final JukeboxSong PIGSTEP = get("pigstep");
-    public static final JukeboxSong OTHERSIDE = get("otherside");
-    public static final JukeboxSong FIVE = get("5");
-    public static final JukeboxSong RELIC = get("relic");
-    public static final JukeboxSong PRECIPICE = get("precipice");
-    public static final JukeboxSong CREATOR = get("creator");
-    public static final JukeboxSong CREATOR_MUSIC_BOX = get("creator_music_box");
+    // Start generate - JukeboxSong
+    // @GeneratedFrom 1.21.4
+    JukeboxSong ELEVEN = get("11");
+
+    JukeboxSong THIRTEEN = get("13");
+
+    JukeboxSong FIVE = get("5");
+
+    JukeboxSong BLOCKS = get("blocks");
+
+    JukeboxSong CAT = get("cat");
+
+    JukeboxSong CHIRP = get("chirp");
+
+    JukeboxSong CREATOR = get("creator");
+
+    JukeboxSong CREATOR_MUSIC_BOX = get("creator_music_box");
+
+    JukeboxSong FAR = get("far");
+
+    JukeboxSong MALL = get("mall");
+
+    JukeboxSong MELLOHI = get("mellohi");
+
+    JukeboxSong OTHERSIDE = get("otherside");
+
+    JukeboxSong PIGSTEP = get("pigstep");
+
+    JukeboxSong PRECIPICE = get("precipice");
+
+    JukeboxSong RELIC = get("relic");
+
+    JukeboxSong STAL = get("stal");
+
+    JukeboxSong STRAD = get("strad");
+
+    JukeboxSong WAIT = get("wait");
+
+    JukeboxSong WARD = get("ward");
+    // End generate - JukeboxSong
 
     @NotNull
     private static JukeboxSong get(@NotNull String key) {
-        return Registry.JUKEBOX_SONG.getOrThrow(NamespacedKey.minecraft(key));
+        return RegistryAccess.registryAccess().getRegistry(RegistryKey.JUKEBOX_SONG).getOrThrow(NamespacedKey.minecraft(key));
     }
 
     // Paper start - adventure

paper-api/src/main/java/org/bukkit/Location.java

@@ -8,6 +8,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.function.Predicate;
 import io.papermc.paper.math.FinePosition;
+import io.papermc.paper.math.Rotation;
 import org.bukkit.block.Block;
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 import org.bukkit.entity.Entity;
@@ -411,6 +412,19 @@ public class Location implements Cloneable, ConfigurationSerializable, io.paperm
         return this;
     }
 
+    /**
+     * Adds rotation to this location. Not world-aware.
+     *
+     * @param rotation the rotation to add.
+     * @return the same location
+     * @see Vector
+     */
+    @NotNull
+    @Contract(value = "_ -> this", mutates = "this")
+    public Location addRotation(@NotNull Rotation rotation) {
+        return addRotation(rotation.yaw(), rotation.pitch());
+    }
+
     /**
      * Subtracts the location by another.
      *
@@ -480,6 +494,19 @@ public class Location implements Cloneable, ConfigurationSerializable, io.paperm
         return this;
     }
 
+    /**
+     * Subtracts rotation from this location.
+     *
+     * @param rotation the rotation to subtract.
+     * @return the same location
+     * @see Vector
+     */
+    @NotNull
+    @Contract(value = "_ -> this", mutates = "this")
+    public Location subtractRotation(@NotNull Rotation rotation) {
+        return subtractRotation(rotation.yaw(), rotation.pitch());
+    }
+
     /**
      * Gets the magnitude of the location, defined as sqrt(x^2+y^2+z^2). The
      * value of this method is not cached and uses a costly square-root
@@ -622,6 +649,20 @@ public class Location implements Cloneable, ConfigurationSerializable, io.paperm
         return this;
     }
 
+    /**
+     * Sets the rotation of this location and returns itself.
+     * <p>
+     * This mutates this object, clone first.
+     *
+     * @param rotation the new rotation.
+     * @return self (not cloned)
+     */
+    @NotNull
+    @Contract(value = "_ -> this", mutates = "this")
+    public Location setRotation(@NotNull Rotation rotation) {
+        return setRotation(rotation.yaw(), rotation.pitch());
+    }
+
     /**
      * Takes the x/y/z from base and adds the specified x/y/z to it and returns self
      * <p>

paper-api/src/main/java/org/bukkit/MusicInstrument.java

@@ -1,6 +1,8 @@
 package org.bukkit;
 
 import com.google.common.collect.Lists;
+import io.papermc.paper.registry.RegistryAccess;
+import io.papermc.paper.registry.RegistryKey;
 import java.util.Collection;
 import java.util.Collections;
 import org.jetbrains.annotations.NotNull;
@@ -8,15 +10,25 @@ import org.jetbrains.annotations.Nullable;
 
 public abstract class MusicInstrument implements Keyed, net.kyori.adventure.translation.Translatable { // Paper - translation keys
 
-    public static final MusicInstrument PONDER_GOAT_HORN = getInstrument("ponder_goat_horn");
-    public static final MusicInstrument SING_GOAT_HORN = getInstrument("sing_goat_horn");
-    public static final MusicInstrument SEEK_GOAT_HORN = getInstrument("seek_goat_horn");
-    public static final MusicInstrument FEEL_GOAT_HORN = getInstrument("feel_goat_horn");
+    // Start generate - MusicInstrument
+    // @GeneratedFrom 1.21.4
     public static final MusicInstrument ADMIRE_GOAT_HORN = getInstrument("admire_goat_horn");
+
     public static final MusicInstrument CALL_GOAT_HORN = getInstrument("call_goat_horn");
-    public static final MusicInstrument YEARN_GOAT_HORN = getInstrument("yearn_goat_horn");
+
     public static final MusicInstrument DREAM_GOAT_HORN = getInstrument("dream_goat_horn");
 
+    public static final MusicInstrument FEEL_GOAT_HORN = getInstrument("feel_goat_horn");
+
+    public static final MusicInstrument PONDER_GOAT_HORN = getInstrument("ponder_goat_horn");
+
+    public static final MusicInstrument SEEK_GOAT_HORN = getInstrument("seek_goat_horn");
+
+    public static final MusicInstrument SING_GOAT_HORN = getInstrument("sing_goat_horn");
+
+    public static final MusicInstrument YEARN_GOAT_HORN = getInstrument("yearn_goat_horn");
+    // End generate - MusicInstrument
+
     /**
      * Returns a {@link MusicInstrument} by a {@link NamespacedKey}.
      *
@@ -44,7 +56,7 @@ public abstract class MusicInstrument implements Keyed, net.kyori.adventure.tran
 
     @NotNull
     private static MusicInstrument getInstrument(@NotNull String key) {
-        return Registry.INSTRUMENT.getOrThrow(NamespacedKey.minecraft(key));
+        return RegistryAccess.registryAccess().getRegistry(RegistryKey.INSTRUMENT).getOrThrow(NamespacedKey.minecraft(key));
     }
 
     // Paper start - deprecate getKey

paper-api/src/main/java/org/bukkit/OfflinePlayer.java

@@ -11,14 +11,15 @@ import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.permissions.ServerOperator;
 import org.bukkit.profile.PlayerProfile;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.Nullable;
 
 /**
  * Represents a reference to a player identity and the data belonging to a
  * player that is stored on the disk and can, thus, be retrieved without the
  * player needing to be online.
  */
+@NullMarked
 public interface OfflinePlayer extends ServerOperator, AnimalTamer, ConfigurationSerializable, io.papermc.paper.persistence.PersistentDataViewHolder { // Paper - Add Offline PDC API
 
     /**
@@ -62,7 +63,6 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @return Player UUID
      */
     @Override
-    @NotNull
     public UUID getUniqueId();
 
     /**
@@ -74,7 +74,6 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      *
      * @return the player's profile
      */
-    @NotNull
     com.destroystokyo.paper.profile.PlayerProfile getPlayerProfile(); // Paper
 
     /**
@@ -91,7 +90,6 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @return Ban Entry
      * @deprecated use {@link #ban(String, Date, String)}
      */
-    @NotNull
     @Deprecated(since = "1.20.4")
     public default BanEntry banPlayer(@Nullable String reason) {
         return banPlayer(reason, null, null);
@@ -104,7 +102,6 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @return Ban Entry
      * @deprecated use {@link #ban(String, Date, String)}
      */
-    @NotNull
     @Deprecated(since = "1.20.4")
     public default BanEntry banPlayer(@Nullable String reason, @Nullable String source) {
         return banPlayer(reason, null, source);
@@ -117,9 +114,8 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @return Ban Entry
      * @deprecated use {@link #ban(String, Date, String)}
      */
-    @NotNull
     @Deprecated(since = "1.20.4")
-    public default BanEntry banPlayer(@Nullable String reason, @Nullable java.util.Date expires) {
+    public default BanEntry banPlayer(@Nullable String reason, java.util.@Nullable Date expires) {
         return banPlayer(reason, expires, null);
     }
 
@@ -131,18 +127,16 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @return Ban Entry
      * @deprecated use {@link #ban(String, Date, String)}
      */
-    @NotNull
     @Deprecated(since = "1.20.4")
-    public default BanEntry banPlayer(@Nullable String reason, @Nullable java.util.Date expires, @Nullable String source) {
+    public default BanEntry banPlayer(@Nullable String reason, java.util.@Nullable Date expires, @Nullable String source) {
         return banPlayer(reason, expires, source, true);
     }
 
     /**
      * @deprecated use {@link #ban(String, Date, String)}
      */
-    @NotNull
     @Deprecated(since = "1.20.4")
-    public default BanEntry banPlayer(@Nullable String reason, @Nullable java.util.Date expires, @Nullable String source, boolean kickIfOnline) {
+    public default BanEntry banPlayer(@Nullable String reason, java.util.@Nullable Date expires, @Nullable String source, boolean kickIfOnline) {
         BanEntry banEntry = Bukkit.getServer().getBanList(BanList.Type.NAME).addBan(getName(), reason, expires, source);
         if (kickIfOnline && isOnline()) {
             getPlayer().kickPlayer(reason);
@@ -309,7 +303,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public void incrementStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player.
@@ -322,7 +316,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public void decrementStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;
+    public void decrementStatistic(Statistic statistic) throws IllegalArgumentException;
 
     /**
      * Increments the given statistic for this player.
@@ -334,7 +328,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public void incrementStatistic(@NotNull Statistic statistic, int amount) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic, int amount) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player.
@@ -346,7 +340,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public void decrementStatistic(@NotNull Statistic statistic, int amount) throws IllegalArgumentException;
+    public void decrementStatistic(Statistic statistic, int amount) throws IllegalArgumentException;
 
     /**
      * Sets the given statistic for this player.
@@ -358,7 +352,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public void setStatistic(@NotNull Statistic statistic, int newValue) throws IllegalArgumentException;
+    public void setStatistic(Statistic statistic, int newValue) throws IllegalArgumentException;
 
     /**
      * Gets the value of the given statistic for this player.
@@ -369,7 +363,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the statistic requires an
      *     additional parameter
      */
-    public int getStatistic(@NotNull Statistic statistic) throws IllegalArgumentException;
+    public int getStatistic(Statistic statistic) throws IllegalArgumentException;
 
     /**
      * Increments the given statistic for this player for the given material.
@@ -384,7 +378,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void incrementStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic, Material material) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player for the given material.
@@ -399,7 +393,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void decrementStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;
+    public void decrementStatistic(Statistic statistic, Material material) throws IllegalArgumentException;
 
     /**
      * Gets the value of the given statistic for this player.
@@ -412,7 +406,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public int getStatistic(@NotNull Statistic statistic, @NotNull Material material) throws IllegalArgumentException;
+    public int getStatistic(Statistic statistic, Material material) throws IllegalArgumentException;
 
     /**
      * Increments the given statistic for this player for the given material.
@@ -426,7 +420,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void incrementStatistic(@NotNull Statistic statistic, @NotNull Material material, int amount) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic, Material material, int amount) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player for the given material.
@@ -440,7 +434,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void decrementStatistic(@NotNull Statistic statistic, @NotNull Material material, int amount) throws IllegalArgumentException;
+    public void decrementStatistic(Statistic statistic, Material material, int amount) throws IllegalArgumentException;
 
     /**
      * Sets the given statistic for this player for the given material.
@@ -454,7 +448,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void setStatistic(@NotNull Statistic statistic, @NotNull Material material, int newValue) throws IllegalArgumentException;
+    public void setStatistic(Statistic statistic, Material material, int newValue) throws IllegalArgumentException;
 
     /**
      * Increments the given statistic for this player for the given entity.
@@ -469,7 +463,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void incrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic, EntityType entityType) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player for the given entity.
@@ -484,7 +478,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void decrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;
+    public void decrementStatistic(Statistic statistic, EntityType entityType) throws IllegalArgumentException;
 
     /**
      * Gets the value of the given statistic for this player.
@@ -497,7 +491,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public int getStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType) throws IllegalArgumentException;
+    public int getStatistic(Statistic statistic, EntityType entityType) throws IllegalArgumentException;
 
     /**
      * Increments the given statistic for this player for the given entity.
@@ -511,7 +505,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void incrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int amount) throws IllegalArgumentException;
+    public void incrementStatistic(Statistic statistic, EntityType entityType, int amount) throws IllegalArgumentException;
 
     /**
      * Decrements the given statistic for this player for the given entity.
@@ -525,7 +519,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void decrementStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int amount);
+    public void decrementStatistic(Statistic statistic, EntityType entityType, int amount);
 
     /**
      * Sets the given statistic for this player for the given entity.
@@ -539,7 +533,7 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @throws IllegalArgumentException if the given parameter is not valid
      *     for the statistic
      */
-    public void setStatistic(@NotNull Statistic statistic, @NotNull EntityType entityType, int newValue);
+    public void setStatistic(Statistic statistic, EntityType entityType, int newValue);
 
     /**
      * Gets the player's last death location.
@@ -571,6 +565,6 @@ public interface OfflinePlayer extends ServerOperator, AnimalTamer, Configuratio
      * @see io.papermc.paper.persistence.PersistentDataViewHolder#getPersistentDataContainer()
      */
     @Override
-    io.papermc.paper.persistence.@NotNull PersistentDataContainerView getPersistentDataContainer();
+    io.papermc.paper.persistence.PersistentDataContainerView getPersistentDataContainer();
     // Paper end - add pdc to offline player
 }

paper-api/src/main/java/org/bukkit/Particle.java

@@ -146,12 +146,10 @@ public enum Particle implements Keyed {
     /**
      * Uses {@link BlockData} as DataType
      */
-    @ApiStatus.Experimental
     BLOCK_CRUMBLE("block_crumble", BlockData.class),
     /**
      * Uses {@link Trail} as DataType
      */
-    @ApiStatus.Experimental
     TRAIL("trail", Trail.class),
     OMINOUS_SPAWNING("ominous_spawning"),
     RAID_OMEN("raid_omen"),
@@ -276,7 +274,6 @@ public enum Particle implements Keyed {
     /**
      * Options which can be applied to trail particles - a location, color and duration.
      */
-    @ApiStatus.Experimental
     public static class Trail {
 
         private final Location target;

paper-api/src/main/java/org/bukkit/Registry.java

@@ -3,6 +3,7 @@ package org.bukkit;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicates;
 import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Iterables;
 import io.papermc.paper.datacomponent.DataComponentType;
 import io.papermc.paper.registry.RegistryAccess;
 import io.papermc.paper.registry.RegistryKey;
@@ -271,7 +272,6 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
      * @see JukeboxSong
      * @deprecated use {@link RegistryAccess#getRegistry(RegistryKey)} with {@link RegistryKey#JUKEBOX_SONG}
      */
-    @ApiStatus.Experimental
     @Deprecated(since = "1.21")
     Registry<JukeboxSong> JUKEBOX_SONG = legacyRegistryFor(JukeboxSong.class);
     /**
@@ -291,15 +291,20 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
      *
      * @see MemoryKey
      */
-    Registry<MemoryKey> MEMORY_MODULE_TYPE = new NotARegistry<>() {
+    Registry<MemoryKey<?>> MEMORY_MODULE_TYPE = new NotARegistry<>() {
 
         @Override
-        public Iterator iterator() {
+        public Iterator<MemoryKey<?>> iterator() {
             return MemoryKey.values().iterator();
         }
 
         @Override
-        public @Nullable MemoryKey get(final NamespacedKey key) {
+        public int size() {
+            return MemoryKey.values().size();
+        }
+
+        @Override
+        public @Nullable MemoryKey<?> get(final NamespacedKey key) {
             return MemoryKey.getByKey(key);
         }
     };
@@ -537,6 +542,13 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
         return (namespacedKey != null) ? this.get(namespacedKey) : null;
     }
 
+    /**
+     * Gets the size of the registry.
+     *
+     * @return the size of the registry
+     */
+    int size();
+
     @ApiStatus.Internal
     class SimpleRegistry<T extends Enum<T> & Keyed> extends NotARegistry<T> { // Paper - remove final
 
@@ -565,6 +577,11 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return this.map.get(key);
         }
 
+        @Override
+        public int size() {
+            return map.size();
+        }
+
         @Override
         public Iterator<T> iterator() {
             return this.map.values().iterator();
@@ -585,6 +602,11 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
             return StreamSupport.stream(this.spliterator(), false);
         }
 
+        @Override
+        public int size() {
+            return Iterables.size(this);
+        }
+
         @Override
         public NamespacedKey getKey(final A value) {
             return value.getKey();

paper-api/src/main/java/org/bukkit/Server.java

@@ -43,6 +43,7 @@ import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemCraftResult;
 import org.bukkit.inventory.ItemFactory;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.MenuType;
 import org.bukkit.inventory.Merchant;
 import org.bukkit.inventory.Recipe;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -421,7 +422,7 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * @param message MiniMessage content
      */
     default void sendRichMessage(final @NotNull String message) {
-        this.sendMessage(MiniMessage.miniMessage().deserialize(message));
+        this.sendMessage(MiniMessage.miniMessage().deserialize(message, this));
     }
 
     /**
@@ -434,7 +435,7 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * @param resolvers resolvers to use
      */
     default void sendRichMessage(final @NotNull String message, final @NotNull TagResolver... resolvers) {
-        this.sendMessage(MiniMessage.miniMessage().deserialize(message, resolvers));
+        this.sendMessage(MiniMessage.miniMessage().deserialize(message, this, resolvers));
     }
 
     /**
@@ -1218,7 +1219,11 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * Sets the radius, in blocks, around each worlds spawn point to protect.
      *
      * @param value new spawn radius, or 0 if none
+     * @deprecated has not functioned for a long time as the spawn radius is defined by the server.properties file.
+     * There is no API replacement for this method. It is generally recommended to implement "protection"-like behaviour
+     * via events or third-party plugin APIs.
      */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     public void setSpawnRadius(int value);
 
     /**
@@ -1565,11 +1570,11 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * <br>
      * {@link InventoryType#WORKBENCH} will not process crafting recipes if
      * created with this method. Use
-     * {@link Player#openWorkbench(Location, boolean)} instead.
+     * {@link MenuType#CRAFTING} instead.
      * <br>
      * {@link InventoryType#ENCHANTING} will not process {@link ItemStack}s
      * for possible enchanting results. Use
-     * {@link Player#openEnchanting(Location, boolean)} instead.
+     * {@link MenuType#ENCHANTMENT} instead.
      *
      * @param owner the holder of the inventory, or null to indicate no holder
      * @param type the type of inventory to create
@@ -1592,11 +1597,11 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * <br>
      * {@link InventoryType#WORKBENCH} will not process crafting recipes if
      * created with this method. Use
-     * {@link Player#openWorkbench(Location, boolean)} instead.
+     * {@link MenuType#CRAFTING} instead.
      * <br>
      * {@link InventoryType#ENCHANTING} will not process {@link ItemStack}s
      * for possible enchanting results. Use
-     * {@link Player#openEnchanting(Location, boolean)} instead.
+     * {@link MenuType#ENCHANTMENT} instead.
      *
      * @param owner The holder of the inventory; can be null if there's no holder.
      * @param type The type of inventory to create.
@@ -1620,11 +1625,11 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * <br>
      * {@link InventoryType#WORKBENCH} will not process crafting recipes if
      * created with this method. Use
-     * {@link Player#openWorkbench(Location, boolean)} instead.
+     * {@link MenuType#CRAFTING} instead.
      * <br>
      * {@link InventoryType#ENCHANTING} will not process {@link ItemStack}s
      * for possible enchanting results. Use
-     * {@link Player#openEnchanting(Location, boolean)} instead.
+     * {@link MenuType#ENCHANTMENT} instead.
      *
      * @param owner The holder of the inventory; can be null if there's no holder.
      * @param type The type of inventory to create.
@@ -1691,7 +1696,10 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * @param title the title of the corresponding merchant inventory, displayed
      * when the merchant inventory is viewed
      * @return a new merchant
+     * @deprecated The title parameter is no-longer needed when used with
+     * {@link MenuType#MERCHANT} and {@link MenuType.Typed#builder()}.
      */
+    @Deprecated(since = "1.21.4")
     @NotNull Merchant createMerchant(net.kyori.adventure.text.@Nullable Component title);
     // Paper start
     /**
@@ -1700,7 +1708,8 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      * @param title the title of the corresponding merchant inventory, displayed
      * when the merchant inventory is viewed
      * @return a new merchant
-     * @deprecated in favour of {@link #createMerchant(net.kyori.adventure.text.Component)}
+     * @deprecated in favour of {@link #createMerchant(net.kyori.adventure.text.Component)}, The title parameter is
+     * no-longer needed when used with {@link MenuType#MERCHANT} and {@link MenuType.Typed#builder()}.
      */
     @NotNull
     @Deprecated // Paper
@@ -1715,6 +1724,14 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      */
     int getMaxChainedNeighborUpdates();
 
+    /**
+     * Creates an empty merchant.
+     *
+     * @return a new merchant
+     */
+    @NotNull
+    Merchant createMerchant();
+
     /**
      * Gets user-specified limit for number of monsters that can spawn in a
      * chunk.
@@ -2292,24 +2309,52 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
     // Spigot start
     public class Spigot {
 
+        /**
+         * @deprecated Server config options may be renamed or removed without notice. Prefer using existing API
+         *  wherever possible, rather than directly reading from a server config.
+         *
+         * @return The server's spigot config.
+         */
+        @Deprecated(since = "1.21.4", forRemoval = true)
         @NotNull
         public org.bukkit.configuration.file.YamlConfiguration getConfig() {
             throw new UnsupportedOperationException("Not supported yet.");
         }
 
+        /**
+         * @deprecated Server config options may be renamed or removed without notice. Prefer using existing API
+         *  wherever possible, rather than directly reading from a server config.
+         *
+         * @return The server's bukkit config.
+         */
         // Paper start
+        @Deprecated(since = "1.21.4", forRemoval = true)
         @NotNull
         public org.bukkit.configuration.file.YamlConfiguration getBukkitConfig()
         {
             throw new UnsupportedOperationException( "Not supported yet." );
         }
 
+        /**
+         * @deprecated Server config options may be renamed or removed without notice. Prefer using existing API
+         *  wherever possible, rather than directly reading from a server config.
+         *
+         * @return The server's spigot config.
+         */
+        @Deprecated(since = "1.21.4", forRemoval = true)
         @NotNull
         public org.bukkit.configuration.file.YamlConfiguration getSpigotConfig()
         {
             throw new UnsupportedOperationException("Not supported yet.");
         }
 
+        /**
+         * @deprecated Server config options may be renamed or removed without notice. Prefer using existing API
+         *  wherever possible, rather than directly reading from a server config.
+         *
+         * @return The server's paper config.
+         */
+        @Deprecated(since = "1.21.4", forRemoval = true)
         @NotNull
         public org.bukkit.configuration.file.YamlConfiguration getPaperConfig()
         {
@@ -2341,16 +2386,28 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
 
         /**
          * Restart the server. If the server administrator has not configured restarting, the server will stop.
+         *
+         * @deprecated Use {@link Server#restart()} instead.
          */
+        @Deprecated(since = "1.21.4", forRemoval = true)
         public void restart() {
             throw new UnsupportedOperationException("Not supported yet.");
         }
     }
 
+    /**
+     * @deprecated All methods on this class have been deprecated, see the individual methods for replacements.
+     */
+    @Deprecated(since = "1.21.4", forRemoval = true)
     @NotNull
     Spigot spigot();
     // Spigot end
 
+    /**
+     * Restarts the server. If the server administrator has not configured restarting, the server will stop.
+     */
+    void restart();
+
     void reloadPermissions(); // Paper
 
     boolean reloadCommandAliases(); // Paper