ViaRewind 4.0.14

Signed-off-by: FlorianMichael <git@florianmichael.de>

.github/dependabot.yml

@@ -1,10 +1,14 @@
 version: 2
 updates:
   - package-ecosystem: "gradle"
+    cooldown:
+      default-days: 7
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "monthly"
   - package-ecosystem: "github-actions"
+    cooldown:
+      default-days: 7
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "monthly"

.github/workflows/build.yml

@@ -1,21 +1,30 @@
 name: Build
-on: [ pull_request, push, workflow_dispatch ]
+on: [pull_request, push, workflow_dispatch]
+permissions:
+  contents: read
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    # Only run on PRs if the source branch is on a different repo. We do not need to run everything twice.
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # 6.0.1
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # 5.0.0
       - name: Set up JDK 17
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # 5.1.0
         with:
           distribution: 'temurin'
           java-version: 17
           check-latest: true
       - name: Build with Gradle
         run: ./gradlew build
+      - name: Upload Artifacts to GitHub
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # 6.0.0
+        with:
+          name: Artifacts
+          path: build/libs/

.github/workflows/publish.yml

@@ -4,6 +4,10 @@ on:
     branches:
       - master
       - dev
+  workflow_dispatch:
+
+permissions:
+  contents: read
 
 jobs:
   publish:
@@ -11,18 +15,18 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # 6.0.1
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # 5.0.0
       - name: Set up JDK 17
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # 5.1.0
         with:
           distribution: 'temurin'
           java-version: 17
           check-latest: true
-      - name: Build
+      - name: Build with Gradle
         run: ./gradlew build
       - name: Publish to Hangar
         env:

build.gradle.kts

@@ -24,8 +24,8 @@ allprojects {
 subprojects {
 
     dependencies {
-        compileOnly("com.viaversion:viaversion:5.5.0")
-        compileOnly("com.viaversion:viabackwards:5.5.0")
+        compileOnly("com.viaversion:viaversion:5.7.1")
+        compileOnly("com.viaversion:viabackwards:5.7.1")
     }
 
     tasks {

bukkit/src/main/java/com/viaversion/viarewind/BukkitPlugin.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,8 +18,11 @@
 package com.viaversion.viarewind;
 
 import com.viaversion.viarewind.api.ViaRewindPlatform;
+import com.viaversion.viarewind.protocol.v1_9to1_8.provider.InventoryProvider;
+import com.viaversion.viarewind.provider.BukkitInventoryProvider;
 import com.viaversion.viaversion.api.Via;
 import java.io.File;
+import com.viaversion.viaversion.api.platform.providers.ViaProviders;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public class BukkitPlugin extends JavaPlugin implements ViaRewindPlatform {
@@ -27,4 +30,10 @@ public class BukkitPlugin extends JavaPlugin implements ViaRewindPlatform {
     public BukkitPlugin() {
         Via.getManager().addEnableListener(() -> this.init(new File(getDataFolder(), "config.yml")));
     }
+
+    @Override
+    public void onEnable() {
+        final ViaProviders providers = Via.getManager().getProviders();
+        providers.use(InventoryProvider.class, new BukkitInventoryProvider());
+    }
 }

bukkit/src/main/java/com/viaversion/viarewind/provider/BukkitInventoryProvider.java

@@ -0,0 +1,36 @@
+/*
+ * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viarewind.provider;
+
+import com.viaversion.viarewind.protocol.v1_9to1_8.provider.InventoryProvider;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public final class BukkitInventoryProvider extends InventoryProvider {
+
+    @Override
+    public boolean hasElytra(final UserConnection connection) {
+        final Player player = Bukkit.getPlayer(connection.getProtocolInfo().getUuid());
+        final ItemStack chestplate = player.getInventory().getChestplate();
+        return chestplate != null && chestplate.getType() == Material.ELYTRA;
+    }
+
+}

common/build.gradle.kts

@@ -9,8 +9,9 @@ val viaProxy: Configuration by configurations.creating
 dependencies {
     compileOnly("io.netty:netty-all:4.0.20.Final")
     compileOnly("com.google.guava:guava:17.0")
+    compileOnly("com.velocitypowered:velocity-native:3.4.0-SNAPSHOT")
 
-    viaProxy("net.raphimc:ViaProxy:3.4.5-SNAPSHOT") {
+    viaProxy("net.raphimc:ViaProxy:[3.0.0,4.0.0)") {
         isTransitive = false
     }
 }

common/src/main/java/com/viaversion/viarewind/ViaRewind.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/ViaRewindConfig.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/ViaRewindPlatformImpl.java

@@ -0,0 +1,43 @@
+/*
+ * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viarewind;
+
+import com.viaversion.viarewind.api.ViaRewindPlatform;
+import com.viaversion.viaversion.api.Via;
+import java.io.File;
+import java.util.logging.Logger;
+
+public class ViaRewindPlatformImpl implements ViaRewindPlatform {
+
+    private final Logger logger;
+
+    public ViaRewindPlatformImpl() {
+        logger = Via.getPlatform().createLogger("ViaRewind");
+        init(new File(getDataFolder(), "viarewind.yml"));
+    }
+
+    @Override
+    public Logger getLogger() {
+        return logger;
+    }
+
+    @Override
+    public File getDataFolder() {
+        return Via.getPlatform().getDataFolder();
+    }
+}

common/src/main/java/com/viaversion/viarewind/api/ViaRewindConfig.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/ViaRewindPlatform.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,11 +36,14 @@ public interface ViaRewindPlatform {
     String VERSION = "${version}";
     String IMPL_VERSION = "${impl_version}";
 
+    default void init(final File configFile) {
+        init(new ViaRewindConfig(configFile, getLogger()));
+    }
+
     /**
      * Initialize ViaRewind
      */
-    default void init(final File configFile) {
-        ViaRewindConfig config = new ViaRewindConfig(configFile, getLogger());
+    default void init(final com.viaversion.viarewind.api.ViaRewindConfig config) {
         config.reload();
         Via.getManager().getConfigurationProvider().register(config);
 

common/src/main/java/com/viaversion/viarewind/api/data/RewindMappingData.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/data/RewindMappingDataLoader.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/ExtendedBlockStorage.java

@@ -1,77 +0,0 @@
-/*
- * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.viaversion.viarewind.api.minecraft;
-
-import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
-import com.viaversion.viaversion.api.minecraft.chunks.NibbleArray;
-
-public class ExtendedBlockStorage {
-    private final byte[] blockLSBArray = new byte[ChunkSection.SIZE];
-
-    private final NibbleArray blockMetadataArray = new NibbleArray(this.blockLSBArray.length);
-    private final NibbleArray blockLightArray = new NibbleArray(this.blockLSBArray.length);
-
-    private NibbleArray blockMSBArray;
-    private NibbleArray skyLightArray;
-
-    public ExtendedBlockStorage(final boolean skylight) {
-        if (skylight) {
-            this.skyLightArray = new NibbleArray(this.blockLSBArray.length);
-        }
-    }
-
-    public void setBlockId(final int x, final int y, final int z, final int value) {
-        this.blockLSBArray[ChunkSection.index(x, y, z)] = (byte) (value & 255);
-        if (value > 255) {
-            this.getOrCreateBlockMSBArray().set(x, y, z, (value & 0xF00) >> 8);
-        } else if (this.blockMSBArray != null) {
-            this.blockMSBArray.set(x, y, z, 0);
-        }
-    }
-
-    public void setBlockMetadata(final int x, final int y, final int z, final int value) {
-        this.blockMetadataArray.set(x, y, z, value);
-    }
-
-    public boolean hasBlockMSBArray() {
-        return this.blockMSBArray != null;
-    }
-
-    public byte[] getBlockLSBArray() {
-        return this.blockLSBArray;
-    }
-
-    public NibbleArray getOrCreateBlockMSBArray() {
-        if (this.blockMSBArray == null) {
-            return this.blockMSBArray = new NibbleArray(this.blockLSBArray.length);
-        }
-        return this.blockMSBArray;
-    }
-
-    public NibbleArray getBlockMetadataArray() {
-        return this.blockMetadataArray;
-    }
-
-    public NibbleArray getBlockLightArray() {
-        return this.blockLightArray;
-    }
-
-    public NibbleArray getSkyLightArray() {
-        return this.skyLightArray;
-    }
-}

common/src/main/java/com/viaversion/viarewind/api/minecraft/entitydata/EntityDataTypes1_7_6_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/math/AABB.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/math/Ray3d.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/math/RayTracing.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/math/RelativeMoveUtil.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/math/Vector3d.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/netty/EmptyChannelHandler.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/minecraft/netty/ForwardMessageToByteEncoder.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/rewriter/VRBlockItemRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/rewriter/VREntityRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/IntArrayType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/PositionVarYType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/RewindTypes.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,7 +28,6 @@ import com.viaversion.viaversion.api.minecraft.entitydata.EntityData;
 import com.viaversion.viaversion.api.minecraft.item.Item;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.Types;
-import com.viaversion.viaversion.libs.gson.JsonElement;
 import java.util.List;
 
 /**
@@ -36,7 +35,6 @@ import java.util.List;
  */
 public class RewindTypes {
 
-    public static final Type<JsonElement> SIGN_COMPONENT = new SignComponentType();
     public static final Type<int[]> INT_ARRAY = new IntArrayType(); // Integer array with byte as length indicator
 
     public static final Type<BlockPosition> SHORT_POSITION = new PositionVarYType<>(Types.SHORT, value -> (short) value);

common/src/main/java/com/viaversion/viarewind/api/type/SignComponentType.java

@@ -1,51 +0,0 @@
-/*
- * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.viaversion.viarewind.api.type;
-
-import com.viaversion.viaversion.api.Via;
-import com.viaversion.viaversion.api.type.Type;
-import com.viaversion.viaversion.api.type.types.ComponentType;
-import com.viaversion.viaversion.api.type.types.StringType;
-import com.viaversion.viaversion.libs.gson.JsonElement;
-import com.viaversion.viaversion.libs.gson.JsonParser;
-import com.viaversion.viaversion.libs.gson.JsonSyntaxException;
-import io.netty.buffer.ByteBuf;
-
-public class SignComponentType extends ComponentType {
-
-    public static final Type<String> STRING = new StringType(384);
-
-    @Override
-    public JsonElement read(final ByteBuf buffer) {
-        final String string = STRING.read(buffer);
-        try {
-            return JsonParser.parseString(string);
-        } catch (final JsonSyntaxException e) {
-            if (Via.getManager().isDebug()) {
-                Via.getPlatform().getLogger().severe("Error when trying to parse json: " + string);
-            }
-            throw e;
-        }
-    }
-
-    @Override
-    public void write(final ByteBuf buffer, final JsonElement value) {
-        STRING.write(buffer, value.toString());
-    }
-
-}

common/src/main/java/com/viaversion/viarewind/api/type/chunk/BulkChunkType1_7_6.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,10 +18,9 @@
 package com.viaversion.viarewind.api.type.chunk;
 
 import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
-import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
 import com.viaversion.viaversion.api.type.Type;
-import com.viaversion.viaversion.util.Pair;
 import io.netty.buffer.ByteBuf;
+
 import java.util.zip.Deflater;
 
 public class BulkChunkType1_7_6 extends Type<Chunk[]> {
@@ -38,40 +37,51 @@ public class BulkChunkType1_7_6 extends Type<Chunk[]> {
     }
 
     @Override
-    public void write(ByteBuf byteBuf, Chunk[] chunks) {
+    public void write(ByteBuf buffer, Chunk[] chunks) {
         final int chunkCount = chunks.length;
-        final int[] chunkX = new int[chunkCount];
-        final int[] chunkZ = new int[chunkCount];
-        final short[] primaryBitMask = new short[chunkCount];
-        final short[] additionalBitMask = new short[chunkCount];
+        final int[] addBitMasks = new int[chunkCount];
+        int totalSize = 0;
+        boolean anySkyLight = false;
 
-        final byte[][] dataArrays = new byte[chunkCount][];
-        int dataSize = 0;
+        for (Chunk chunk : chunks) {
+            if (ChunkType1_7_6.hasSkyLight(chunk)) {
+                anySkyLight = true;
+                break;
+            }
+        }
 
         for (int i = 0; i < chunkCount; i++) {
-            final Chunk chunk = chunks[i];
-            Pair<byte[], Short> chunkData;
-            try {
-                chunkData = ChunkType1_7_6.serialize(chunk);
-                final byte[] data = chunkData.key();
-                dataArrays[i] = data;
-                dataSize += data.length;
-            } catch (Exception e) {
-                throw new RuntimeException("Unable to serialize chunk", e);
-            }
-            chunkX[i] = chunk.getX();
-            chunkZ[i] = chunk.getZ();
-            primaryBitMask[i] = (short) chunk.getBitmask();
-            additionalBitMask[i] = chunkData.value();
+            Chunk chunk = chunks[i];
+            addBitMasks[i] = ChunkType1_7_6.getAddBitMask(chunk);
+            boolean biomes = chunk.isFullChunk() && chunk.getBiomeData() != null;
+
+            totalSize += ChunkType1_7_6.calcSize(
+                chunk.getBitmask(),
+                addBitMasks[i],
+                anySkyLight,
+                biomes
+            );
         }
 
-        final byte[] data = new byte[dataSize];
-        int destPos = 0;
-        for (final byte[] array : dataArrays) {
-            System.arraycopy(array, 0, data, destPos, array.length);
-            destPos += array.length;
+        final byte[] data = new byte[totalSize];
+        int offset = 0;
+
+        for (int i = 0; i < chunkCount; i++) {
+            Chunk chunk = chunks[i];
+            boolean biomes = chunk.isFullChunk() && chunk.getBiomeData() != null;
+
+            offset = ChunkType1_7_6.serialize(
+                chunk,
+                data,
+                offset,
+                addBitMasks[i],
+                anySkyLight,
+                biomes
+            );
         }
 
+        buffer.writeShort(chunkCount);
+
         final Deflater deflater = new Deflater();
         byte[] compressedData;
         int compressedSize;
@@ -84,27 +94,16 @@ public class BulkChunkType1_7_6 extends Type<Chunk[]> {
             deflater.end();
         }
 
-        byteBuf.writeShort(chunkCount);
-        byteBuf.writeInt(compressedSize);
-
-        boolean skyLight = false;
-        for (Chunk chunk : chunks) {
-            for (ChunkSection section : chunk.getSections()) {
-                if (section != null && section.getLight().hasSkyLight()) {
-                    skyLight = true;
-                    break;
-                }
-            }
-        }
-
-        byteBuf.writeBoolean(skyLight); // hasSkyLight
-        byteBuf.writeBytes(compressedData, 0, compressedSize);
+        buffer.writeInt(compressedSize);
+        buffer.writeBoolean(anySkyLight);
+        buffer.writeBytes(compressedData, 0, compressedSize);
 
         for (int i = 0; i < chunkCount; i++) {
-            byteBuf.writeInt(chunkX[i]);
-            byteBuf.writeInt(chunkZ[i]);
-            byteBuf.writeShort(primaryBitMask[i]);
-            byteBuf.writeShort(additionalBitMask[i]);
+            Chunk chunk = chunks[i];
+            buffer.writeInt(chunk.getX());
+            buffer.writeInt(chunk.getZ());
+            buffer.writeShort(chunk.getBitmask());
+            buffer.writeShort(addBitMasks[i]);
         }
     }
 }

common/src/main/java/com/viaversion/viarewind/api/type/chunk/ChunkType1_7_6.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,14 +17,12 @@
  */
 package com.viaversion.viarewind.api.type.chunk;
 
-import com.viaversion.viarewind.api.minecraft.ExtendedBlockStorage;
 import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
 import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
+import com.viaversion.viaversion.api.minecraft.chunks.DataPalette;
 import com.viaversion.viaversion.api.minecraft.chunks.PaletteType;
 import com.viaversion.viaversion.api.type.Type;
-import com.viaversion.viaversion.util.Pair;
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 import java.util.zip.Deflater;
 
 import static com.viaversion.viaversion.api.minecraft.chunks.ChunkSection.SIZE;
@@ -38,123 +36,28 @@ public class ChunkType1_7_6 extends Type<Chunk> {
         super(Chunk.class);
     }
 
-    public static Pair<byte[], Short> serialize(final Chunk chunk) throws IOException {
-        final ExtendedBlockStorage[] storageArrays = new ExtendedBlockStorage[16];
-        for (int i = 0; i < storageArrays.length; i++) {
-            final ChunkSection section = chunk.getSections()[i];
-            if (section != null) {
-                final ExtendedBlockStorage storage = storageArrays[i] = new ExtendedBlockStorage(section.getLight().hasSkyLight());
-                for (int x = 0; x < 16; x++) {
-                    for (int z = 0; z < 16; z++) {
-                        for (int y = 0; y < 16; y++) {
-                            final int flatBlock = section.palette(PaletteType.BLOCKS).idAt(x, y, z);
-                            storage.setBlockId(x, y, z, flatBlock >> 4);
-                            storage.setBlockMetadata(x, y, z, flatBlock & 15);
-                        }
-                    }
-                }
-                storage.getBlockLightArray().setHandle(section.getLight().getBlockLight());
-                if (section.getLight().hasSkyLight()) {
-                    storage.getSkyLightArray().setHandle(section.getLight().getSkyLight());
-                }
-            }
-        }
-
-        final boolean biomes = chunk.isFullChunk() && chunk.getBiomeData() != null;
-        final int totalSize = calculateSize(storageArrays, chunk.getBitmask(), biomes);
-
-        final byte[] output = new byte[totalSize];
-        int index = 0;
-
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((chunk.getBitmask() & 1 << i) != 0) {
-                final byte[] blockLSBArray = storageArrays[i].getBlockLSBArray();
-                System.arraycopy(blockLSBArray, 0, output, index, blockLSBArray.length);
-                index += blockLSBArray.length;
-            }
-        }
-
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((chunk.getBitmask() & 1 << i) != 0) {
-                final byte[] blockMetadataArray = storageArrays[i].getBlockMetadataArray().getHandle();
-                System.arraycopy(blockMetadataArray, 0, output, index, blockMetadataArray.length);
-                index += blockMetadataArray.length;
-            }
-        }
-
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((chunk.getBitmask() & 1 << i) != 0) {
-                final byte[] blockLightArray = storageArrays[i].getBlockLightArray().getHandle();
-                System.arraycopy(blockLightArray, 0, output, index, blockLightArray.length);
-                index += blockLightArray.length;
-            }
-        }
-
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((chunk.getBitmask() & 1 << i) != 0 && storageArrays[i].getSkyLightArray() != null) {
-                final byte[] skyLightArray = storageArrays[i].getSkyLightArray().getHandle();
-                System.arraycopy(skyLightArray, 0, output, index, skyLightArray.length);
-                index += skyLightArray.length;
-            }
-        }
-
-        short additionalBitMask = 0;
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((chunk.getBitmask() & 1 << i) != 0 && storageArrays[i].hasBlockMSBArray()) {
-                additionalBitMask |= (short) (1 << i);
-                final byte[] blockMSBArray = storageArrays[i].getOrCreateBlockMSBArray().getHandle();
-                System.arraycopy(blockMSBArray, 0, output, index, blockMSBArray.length);
-                index += blockMSBArray.length;
-            }
-        }
-
-        if (biomes) {
-            for (int biome : chunk.getBiomeData()) {
-                output[index++] = (byte) biome;
-            }
-        }
-
-        return new Pair<>(output, additionalBitMask);
-    }
-
-    private static int calculateSize(final ExtendedBlockStorage[] storageArrays, final int bitmask, final boolean biomes) {
-        int totalSize = 0;
-        for (int i = 0; i < storageArrays.length; i++) {
-            if ((bitmask & 1 << i) != 0) {
-                totalSize += SIZE; // Block lsb array
-                totalSize += SIZE / 2; // Block metadata array
-                totalSize += LIGHT_LENGTH; // Block light array
-
-                if (storageArrays[i].getSkyLightArray() != null) {
-                    totalSize += LIGHT_LENGTH;
-                }
-
-                if (storageArrays[i].hasBlockMSBArray()) {
-                    totalSize += SIZE / 2; // Block msb array
-                }
-            }
-        }
-        if (biomes) {
-            totalSize += 256;
-        }
-        return totalSize;
-    }
-
     @Override
     public Chunk read(ByteBuf byteBuf) {
         throw new UnsupportedOperationException(); // Not needed, see https://github.com/ViaVersion/ViaLegacy/blob/main/src/main/java/net/raphimc/vialegacy/protocols/release/protocol1_8to1_7_6_10/types/Chunk1_7_6Type.java
     }
 
     @Override
-    public void write(ByteBuf output, Chunk chunk) {
-        Pair<byte[], Short> chunkData;
-        try {
-            chunkData = serialize(chunk);
-        } catch (IOException e) {
-            throw new RuntimeException("Unable to serialize chunk", e);
-        }
-        final byte[] data = chunkData.key();
-        final short additionalBitMask = chunkData.value();
+    public void write(ByteBuf buffer, Chunk chunk) {
+        final int bitmask = chunk.getBitmask();
+        final int addBitmask = getAddBitMask(chunk);
+        final boolean hasSkyLight = hasSkyLight(chunk);
+        final boolean biomes = chunk.isFullChunk() && chunk.getBiomeData() != null;
+
+        final int size = calcSize(bitmask, addBitmask, hasSkyLight, biomes);
+        final byte[] data = new byte[size];
+
+        serialize(chunk, data, 0, addBitmask, hasSkyLight, biomes);
+
+        buffer.writeInt(chunk.getX());
+        buffer.writeInt(chunk.getZ());
+        buffer.writeBoolean(chunk.isFullChunk());
+        buffer.writeShort(bitmask);
+        buffer.writeShort(addBitmask);
 
         final Deflater deflater = new Deflater();
         byte[] compressedData;
@@ -168,13 +71,128 @@ public class ChunkType1_7_6 extends Type<Chunk> {
             deflater.end();
         }
 
-        output.writeInt(chunk.getX());
-        output.writeInt(chunk.getZ());
-        output.writeBoolean(chunk.isFullChunk());
-        output.writeShort(chunk.getBitmask());
-        output.writeShort(additionalBitMask);
-        output.writeInt(compressedSize);
-        output.writeBytes(compressedData, 0, compressedSize);
+        buffer.writeInt(compressedSize);
+        buffer.writeBytes(compressedData, 0, compressedSize);
     }
 
+    public static int serialize(Chunk chunk, byte[] output, int offset, int addBitmask, boolean writeSkyLight, boolean biomes) {
+        final ChunkSection[] sections = chunk.getSections();
+        final int bitmask = chunk.getBitmask();
+
+        for (int i = 0; i < 16; i++) {
+            if ((bitmask & (1 << i)) != 0) {
+                final ChunkSection section = sections[i];
+                final DataPalette palette = section.palette(PaletteType.BLOCKS);
+                for (int j = 0; j < SIZE; j++) {
+                    final int block = palette.idAt(j);
+                    output[offset++] = (byte) ((block >> 4) & 0xFF);
+                }
+            }
+        }
+
+        for (int i = 0; i < 16; i++) {
+            if ((bitmask & (1 << i)) != 0) {
+                final ChunkSection section = sections[i];
+                final DataPalette palette = section.palette(PaletteType.BLOCKS);
+                for (int j = 0; j < ChunkSection.SIZE; j += 2) {
+                    final int meta1 = palette.idAt(j) & 0xF;
+                    final int meta2 = palette.idAt(j + 1) & 0xF;
+                    output[offset++] = (byte) (meta1 | (meta2 << 4));
+                }
+            }
+        }
+
+        for (int i = 0; i < 16; i++) {
+            if ((bitmask & (1 << i)) != 0) {
+                final byte[] blockLight = sections[i].getLight().getBlockLight();
+                System.arraycopy(blockLight, 0, output, offset, LIGHT_LENGTH);
+                offset += LIGHT_LENGTH;
+            }
+        }
+
+        if (writeSkyLight) {
+            for (int i = 0; i < 16; i++) {
+                if ((bitmask & (1 << i)) != 0) {
+                    if (sections[i].getLight().hasSkyLight()) {
+                        final byte[] skyLight = sections[i].getLight().getSkyLight();
+                        System.arraycopy(skyLight, 0, output, offset, LIGHT_LENGTH);
+                    }
+                    offset += LIGHT_LENGTH;
+                }
+            }
+        }
+
+        if (addBitmask != 0) {
+            for (int i = 0; i < 16; i++) {
+                if ((bitmask & (1 << i)) != 0 && (addBitmask & (1 << i)) != 0) {
+                    final ChunkSection section = sections[i];
+                    final DataPalette palette = section.palette(PaletteType.BLOCKS);
+                    for (int j = 0; j < SIZE; j += 2) {
+                        final int add1 = (palette.idAt(j) >> 12) & 0xF;
+                        final int add2 = (palette.idAt(j + 1) >> 12) & 0xF;
+                        output[offset++] = (byte) (add1 | (add2 << 4));
+                    }
+                }
+            }
+        }
+
+        if (biomes && chunk.getBiomeData() != null) {
+            final int[] biomeData = chunk.getBiomeData();
+            for (int biome : biomeData) {
+                output[offset++] = (byte) biome;
+            }
+        }
+
+        return offset;
+    }
+
+    public static int calcSize(int bitmask, int addBitmask, boolean hasSkyLight, boolean biomes) {
+        int size = 0;
+        int sections = Integer.bitCount(bitmask);
+
+        size += sections * SIZE;
+        size += sections * (SIZE / 2);
+        size += sections * LIGHT_LENGTH;
+
+        if (hasSkyLight) {
+            size += sections * LIGHT_LENGTH;
+        }
+
+        if (addBitmask != 0) {
+            size += Integer.bitCount(addBitmask) * (SIZE / 2);
+        }
+
+        if (biomes) {
+            size += 256;
+        }
+
+        return size;
+    }
+
+    public static int getAddBitMask(Chunk chunk) {
+        int addBitMask = 0;
+        for (int i = 0; i < 16; i++) {
+            if ((chunk.getBitmask() & (1 << i)) != 0) {
+                final ChunkSection section = chunk.getSections()[i];
+                final DataPalette palette = section.palette(PaletteType.BLOCKS);
+                for (int j = 0; j < SIZE; j++) {
+                    final int id = palette.idAt(j);
+                    if ((id >> 12) != 0) {
+                        addBitMask |= (1 << i);
+                        break;
+                    }
+                }
+            }
+        }
+        return addBitMask;
+    }
+
+    public static boolean hasSkyLight(Chunk chunk) {
+        for (ChunkSection section : chunk.getSections()) {
+            if (section != null && section.getLight().hasSkyLight()) {
+                return true;
+            }
+        }
+        return false;
+    }
 }

common/src/main/java/com/viaversion/viarewind/api/type/entitydata/EntityDataListType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/entitydata/EntityDataType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/item/ItemArrayType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/item/ItemType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/api/type/item/NBTType.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_7_6_10to1_7_2_5/Protocol1_7_6_10To1_7_2_5.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_7_6_10to1_7_2_5/packet/ClientboundPackets1_7_2_5.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_7_6_10to1_7_2_5/packet/ServerboundPackets1_7_2_5.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/Protocol1_8To1_7_6_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/data/ChatItemRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/data/EntityDataIndex1_7_6_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/data/Particles1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/data/VirtualHologramEntity.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/CompressionHandlerProvider.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,9 +28,23 @@ public abstract class CompressionHandlerProvider implements Provider {
 
     public abstract void onTransformPacket(UserConnection user);
 
-    public abstract ChannelHandler getEncoder(int threshold);
+    /**
+     * Creates the compression encoder
+     *
+     * @param compressor A nullable object that may present a native backend for compression (if available)
+     * @param threshold  The compression threshold
+     * @return The encoder
+     */
+    public abstract ChannelHandler getEncoder(Object compressor, int threshold);
 
-    public abstract ChannelHandler getDecoder(int threshold);
+    /**
+     * Creates the compression decoder
+     *
+     * @param compressor A nullable object that may present a native backend for compression (if available)
+     * @param threshold  The compression threshold
+     * @return The decoder
+     */
+    public abstract ChannelHandler getDecoder(Object compressor, int threshold);
 
     public boolean isRemoveCompression(UserConnection user) {
         return user.get(CompressionStatusTracker.class).removeCompression;

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/TitleRenderProvider.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/compression/CompressionDecoder.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,6 +24,7 @@ import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.DecoderException;
 import io.netty.handler.codec.MessageToMessageDecoder;
 import java.util.List;
+import java.util.zip.DataFormatException;
 import java.util.zip.Inflater;
 
 public class CompressionDecoder extends MessageToMessageDecoder<ByteBuf> {
@@ -41,7 +42,9 @@ public class CompressionDecoder extends MessageToMessageDecoder<ByteBuf> {
 
     @Override
     protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
-        if (!in.isReadable()) return;
+        if (!in.isReadable()) {
+            return;
+        }
 
         int outLength = Types.VAR_INT.readPrimitive(in);
         if (outLength == 0) {
@@ -55,11 +58,15 @@ public class CompressionDecoder extends MessageToMessageDecoder<ByteBuf> {
             throw new DecoderException("Badly compressed packet - size of " + outLength + " is larger than protocol maximum of " + 2097152);
         }
 
-        ByteBuf temp = in;
-        if (!in.hasArray()) {
-            temp = ByteBufAllocator.DEFAULT.heapBuffer().writeBytes(in);
+        inflate(ctx, in, outLength, out);
+    }
+
+    protected void inflate(final ChannelHandlerContext ctx, final ByteBuf source, final int outLength, final List<Object> out) throws DataFormatException {
+        ByteBuf temp = source;
+        if (!source.hasArray()) {
+            temp = ByteBufAllocator.DEFAULT.heapBuffer().writeBytes(source);
         } else {
-            in.retain();
+            source.retain();
         }
         ByteBuf output = ByteBufAllocator.DEFAULT.heapBuffer(outLength, outLength);
         try {
@@ -72,4 +79,5 @@ public class CompressionDecoder extends MessageToMessageDecoder<ByteBuf> {
             this.inflater.reset();
         }
     }
+
 }

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/compression/CompressionEncoder.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,6 +22,7 @@ import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.MessageToByteEncoder;
+import java.util.zip.DataFormatException;
 import java.util.zip.Deflater;
 
 public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
@@ -48,11 +49,15 @@ public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
 
         Types.VAR_INT.writePrimitive(out, frameLength);
 
-        ByteBuf temp = in;
-        if (!in.hasArray()) {
-            temp = ByteBufAllocator.DEFAULT.heapBuffer().writeBytes(in);
+        deflate(in, out);
+    }
+
+    protected void deflate(final ByteBuf source, final ByteBuf destination) throws DataFormatException {
+        ByteBuf temp = source;
+        if (!source.hasArray()) {
+            temp = ByteBufAllocator.DEFAULT.heapBuffer().writeBytes(source);
         } else {
-            in.retain();
+            source.retain();
         }
         ByteBuf output = ByteBufAllocator.DEFAULT.heapBuffer();
         try {
@@ -63,11 +68,12 @@ public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
                 output.ensureWritable(4096);
                 output.writerIndex(output.writerIndex() + this.deflater.deflate(output.array(), output.arrayOffset() + output.writerIndex(), output.writableBytes()));
             }
-            out.writeBytes(output);
+            destination.writeBytes(output);
         } finally {
             output.release();
             temp.release();
             this.deflater.reset();
         }
     }
+
 }

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/compression/TrackingCompressionHandlerProvider.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,6 +21,8 @@ import com.viaversion.viarewind.ViaRewind;
 import com.viaversion.viarewind.api.minecraft.netty.EmptyChannelHandler;
 import com.viaversion.viarewind.api.minecraft.netty.ForwardMessageToByteEncoder;
 import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.CompressionHandlerProvider;
+import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.velocity.VelocityCompressionDecoder;
+import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.velocity.VelocityCompressionEncoder;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import io.netty.channel.ChannelHandler;
@@ -28,6 +30,19 @@ import io.netty.channel.ChannelPipeline;
 
 public class TrackingCompressionHandlerProvider extends CompressionHandlerProvider {
 
+    // Use Velocity's compression backend if ViaRewind is loaded on a Velocity server or a custom server software
+    // is shipping them in the classpath.
+    private static boolean velocityNatives;
+
+    static {
+        try {
+            Class.forName("com.velocitypowered.natives.compression.VelocityCompressor");
+            velocityNatives = true;
+        } catch (final ClassNotFoundException ignored) {
+            velocityNatives = false;
+        }
+    }
+
     @Override
     public void setCompressionThreshold(UserConnection user, int threshold) {
         final ChannelPipeline pipeline = user.getChannel().pipeline();
@@ -36,12 +51,17 @@ public class TrackingCompressionHandlerProvider extends CompressionHandlerProvid
             return;
         }
 
+        Object compressor = null;
+        if (velocityNatives) {
+            compressor = com.velocitypowered.natives.util.Natives.compress.get().create(-1);
+        }
+
         final String compressHandlerName = ViaRewind.getPlatform().compressHandlerName();
         final CompressionEncoder encoder = (CompressionEncoder) pipeline.get(compressHandlerName);
         if (encoder != null) {
             encoder.setThreshold(threshold);
         } else {
-            pipeline.addBefore(Via.getManager().getInjector().getEncoderName(), compressHandlerName, getEncoder(threshold));
+            pipeline.addBefore(Via.getManager().getInjector().getEncoderName(), compressHandlerName, getEncoder(compressor, threshold));
         }
 
         final String decompressHandlerName = ViaRewind.getPlatform().decompressHandlerName();
@@ -49,7 +69,7 @@ public class TrackingCompressionHandlerProvider extends CompressionHandlerProvid
         if (decoder != null) {
             decoder.setThreshold(threshold);
         } else {
-            pipeline.addBefore(Via.getManager().getInjector().getDecoderName(), decompressHandlerName, getDecoder(threshold));
+            pipeline.addBefore(Via.getManager().getInjector().getDecoderName(), decompressHandlerName, getDecoder(compressor, threshold));
         }
     }
 
@@ -77,12 +97,21 @@ public class TrackingCompressionHandlerProvider extends CompressionHandlerProvid
     }
 
     @Override
-    public ChannelHandler getEncoder(int threshold) {
-        return new CompressionEncoder(threshold);
+    public ChannelHandler getEncoder(final Object compressor, int threshold) {
+        if (velocityNatives) {
+            return new VelocityCompressionEncoder(threshold, (com.velocitypowered.natives.compression.VelocityCompressor) compressor);
+        } else {
+            return new CompressionEncoder(threshold);
+        }
     }
 
     @Override
-    public ChannelHandler getDecoder(int threshold) {
-        return new CompressionDecoder(threshold);
+    public ChannelHandler getDecoder(final Object compressor, int threshold) {
+        if (velocityNatives) {
+            return new VelocityCompressionDecoder(threshold, (com.velocitypowered.natives.compression.VelocityCompressor) compressor);
+        } else {
+            return new CompressionDecoder(threshold);
+        }
     }
+
 }

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/compression/velocity/VelocityCompressionDecoder.java

@@ -0,0 +1,47 @@
+/*
+ * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.velocity;
+
+import com.velocitypowered.natives.compression.VelocityCompressor;
+import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.CompressionDecoder;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import java.util.List;
+import java.util.zip.DataFormatException;
+
+public final class VelocityCompressionDecoder extends CompressionDecoder {
+
+    private final VelocityCompressor compressor;
+
+    public VelocityCompressionDecoder(final int threshold, final VelocityCompressor compressor) {
+        super(threshold);
+        this.compressor = compressor;
+    }
+
+    @Override
+    protected void inflate(final ChannelHandlerContext ctx, final ByteBuf source, final int outLength, final List<Object> out) throws DataFormatException {
+        ByteBuf output = ctx.alloc().buffer(outLength);
+        try {
+            this.compressor.inflate(source, output, outLength);
+            out.add(output.retain());
+        } finally {
+            output.release();
+        }
+    }
+
+}

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/provider/compression/velocity/VelocityCompressionEncoder.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.velocity;
+
+import com.velocitypowered.natives.compression.VelocityCompressor;
+import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.provider.compression.CompressionEncoder;
+import io.netty.buffer.ByteBuf;
+import java.util.zip.DataFormatException;
+
+public final class VelocityCompressionEncoder extends CompressionEncoder {
+
+    private final VelocityCompressor compressor;
+
+    public VelocityCompressionEncoder(final int threshold, final VelocityCompressor compressor) {
+        super(threshold);
+        this.compressor = compressor;
+    }
+
+    @Override
+    protected void deflate(final ByteBuf source, final ByteBuf destination) throws DataFormatException {
+        this.compressor.deflate(source, destination);
+    }
+
+}

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/BlockItemPacketRewriter1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/EntityPacketRewriter1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/PlayerPacketRewriter1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/ScoreboardPacketRewriter1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/WorldPacketRewriter1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/CompressionStatusTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/EntityTracker1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/GameProfileStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/InventoryTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/PlayerSessionStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/ScoreboardTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/storage/WorldBorderEmulator.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/task/WorldBorderUpdateTask.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/Protocol1_9To1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,7 +18,8 @@
 package com.viaversion.viarewind.protocol.v1_9to1_8;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viarewind.protocol.v1_9to1_8.data.RewindMappingData1_8;
+import com.viaversion.viarewind.api.data.RewindMappingData;
+import com.viaversion.viarewind.protocol.v1_9to1_8.provider.InventoryProvider;
 import com.viaversion.viarewind.protocol.v1_9to1_8.rewriter.BlockItemPacketRewriter1_9;
 import com.viaversion.viarewind.protocol.v1_9to1_8.rewriter.EntityPacketRewriter1_9;
 import com.viaversion.viarewind.protocol.v1_9to1_8.rewriter.PlayerPacketRewriter1_9;
@@ -60,7 +61,7 @@ public class Protocol1_9To1_8 extends BackwardsProtocol<ClientboundPackets1_9, C
         }
     };
 
-    public static final RewindMappingData1_8 MAPPINGS = new RewindMappingData1_8();
+    public static final RewindMappingData MAPPINGS = new RewindMappingData("1.9.4", "1.8");
 
     private final BlockItemPacketRewriter1_9 itemRewriter = new BlockItemPacketRewriter1_9(this);
     private final EntityPacketRewriter1_9 entityRewriter = new EntityPacketRewriter1_9(this);
@@ -92,12 +93,14 @@ public class Protocol1_9To1_8 extends BackwardsProtocol<ClientboundPackets1_9, C
 
     @Override
     public void register(ViaProviders providers) {
+        providers.register(InventoryProvider.class, new InventoryProvider());
+
         Via.getManager().getScheduler().scheduleRepeating(new LevitationUpdateTask(), 0L, 50L, TimeUnit.MILLISECONDS);
         Via.getManager().getScheduler().scheduleRepeating(new CooldownIndicatorTask(), 0L, 50L, TimeUnit.MILLISECONDS);
     }
 
     @Override
-    public RewindMappingData1_8 getMappingData() {
+    public RewindMappingData getMappingData() {
         return MAPPINGS;
     }
 

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/cooldown/ActionBarVisualization.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/cooldown/BossBarVisualization.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/cooldown/CooldownVisualization.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/cooldown/DisabledCooldownVisualization.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/cooldown/TitleCooldownVisualization.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/data/EffectIdMappings1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/data/EntityDataIndex1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/data/PotionIdMappings1_8.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/data/RewindMappingData1_8.java

@@ -1,48 +0,0 @@
-/*
- * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.viaversion.viarewind.protocol.v1_9to1_8.data;
-
-import com.viaversion.nbt.tag.CompoundTag;
-import com.viaversion.viarewind.api.data.RewindMappingDataLoader;
-import com.viaversion.viaversion.libs.fastutil.objects.ObjectArrayList;
-import com.viaversion.viaversion.libs.fastutil.objects.ObjectList;
-import com.viaversion.viaversion.libs.gson.JsonArray;
-import com.viaversion.viaversion.libs.gson.JsonElement;
-
-public final class RewindMappingData1_8 extends com.viaversion.viarewind.api.data.RewindMappingData {
-
-    private final ObjectList<String> sounds = new ObjectArrayList<>();
-
-    public RewindMappingData1_8() {
-        super("1.9.4", "1.8");
-    }
-
-    @Override
-    protected void loadExtras(CompoundTag data) {
-        super.loadExtras(data);
-
-        final JsonArray sounds = RewindMappingDataLoader.INSTANCE.loadData("sounds-1.9.json").getAsJsonArray("sounds");
-        for (final JsonElement sound : sounds) {
-            this.sounds.add(sound.getAsString());
-        }
-    }
-
-    public String soundName(final int soundId) {
-        return sounds.get(soundId);
-    }
-}

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/data/WitherBossBar.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/provider/InventoryProvider.java

@@ -0,0 +1,29 @@
+/*
+ * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viarewind.protocol.v1_9to1_8.provider;
+
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.platform.providers.Provider;
+
+public class InventoryProvider implements Provider {
+
+    public boolean hasElytra(final UserConnection connection) {
+        return false;
+    }
+
+}

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/rewriter/BlockItemPacketRewriter1_9.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/rewriter/EntityPacketRewriter1_9.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -118,7 +118,7 @@ public class EntityPacketRewriter1_9 extends VREntityRewriter<ClientboundPackets
                         wrapper.set(Types.BYTE, 1, yaw);
 
                         int y = wrapper.get(Types.INT, 1);
-                        y += 10;
+                        y += 6;
                         wrapper.set(Types.INT, 1, y);
                     }
 
@@ -366,7 +366,7 @@ public class EntityPacketRewriter1_9 extends VREntityRewriter<ClientboundPackets
                         yaw -= 64;
                         wrapper.set(Types.BYTE, 0, yaw);
                         int y = wrapper.get(Types.INT, 1);
-                        y += 10;
+                        y += 6;
                         wrapper.set(Types.INT, 1, y);
                     }
                 });
@@ -464,7 +464,7 @@ public class EntityPacketRewriter1_9 extends VREntityRewriter<ClientboundPackets
                         wrapper.set(Types.BYTE, 0, yaw);
 
                         int y = wrapper.get(Types.INT, 1);
-                        y += 10;
+                        y += 6;
                         wrapper.set(Types.INT, 1, y);
                     }
                     tracker.resetEntityOffset(entityId);

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/rewriter/PlayerPacketRewriter1_9.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,12 +23,14 @@ import com.viaversion.nbt.tag.StringTag;
 import com.viaversion.viarewind.ViaRewind;
 import com.viaversion.viarewind.api.type.RewindTypes;
 import com.viaversion.viarewind.protocol.v1_9to1_8.Protocol1_9To1_8;
+import com.viaversion.viarewind.protocol.v1_9to1_8.provider.InventoryProvider;
 import com.viaversion.viarewind.protocol.v1_9to1_8.storage.BlockPlaceDestroyTracker;
 import com.viaversion.viarewind.protocol.v1_9to1_8.storage.BossBarStorage;
 import com.viaversion.viarewind.protocol.v1_9to1_8.storage.CooldownStorage;
 import com.viaversion.viarewind.protocol.v1_9to1_8.storage.EntityTracker1_9;
 import com.viaversion.viarewind.protocol.v1_9to1_8.storage.PlayerPositionTracker;
 import com.viaversion.viarewind.utils.ChatUtil;
+import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.data.entity.EntityTracker;
 import com.viaversion.viaversion.api.minecraft.BlockPosition;
 import com.viaversion.viaversion.api.minecraft.ClientWorld;
@@ -409,10 +411,11 @@ public class PlayerPacketRewriter1_9 extends RewriterBase<Protocol1_9To1_8> {
                 map(Types.VAR_INT); // Action parameter
                 handler(wrapper -> {
                     final PlayerPositionTracker tracker = wrapper.user().get(PlayerPositionTracker.class);
+                    final InventoryProvider provider = Via.getManager().getProviders().get(InventoryProvider.class);
                     final int action = wrapper.get(Types.VAR_INT, 1);
                     if (action == 6) { // Jump with horse
                         wrapper.set(Types.VAR_INT, 1, 7);
-                    } else if (action == 0 && !tracker.isOnGround()) { // Start sneaking
+                    } else if (action == 0 && provider.hasElytra(wrapper.user()) && !tracker.isOnGround()) { // Start sneaking
                         final PacketWrapper elytra = PacketWrapper.create(ServerboundPackets1_9.PLAYER_COMMAND, wrapper.user());
                         elytra.write(Types.VAR_INT, wrapper.get(Types.VAR_INT, 0));
                         elytra.write(Types.VAR_INT, 8);
@@ -444,7 +447,7 @@ public class PlayerPacketRewriter1_9 extends RewriterBase<Protocol1_9To1_8> {
                 map(Types.BLOCK_POSITION1_8); // Position
                 handler(wrapper -> {
                     for (int i = 0; i < 4; i++) {
-                        final JsonElement json = wrapper.read(RewindTypes.SIGN_COMPONENT);
+                        final JsonElement json = wrapper.read(Types.COMPONENT);
                         if (!json.isJsonPrimitive()) {
                             throw new IllegalStateException("Invalid sign text: " + StringUtil.forLogging(json));
                         }

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/rewriter/WorldPacketRewriter1_9.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -251,11 +251,11 @@ public class WorldPacketRewriter1_9 extends RewriterBase<Protocol1_9To1_8> {
             public void register() {
                 handler(wrapper -> {
                     final int soundId = wrapper.read(Types.VAR_INT);
-                    final String soundName = protocol.getMappingData().soundName(soundId);
-                    if (soundName == null) {
+                    final int mappedSoundId = protocol.getMappingData().getFullSoundMappings().getNewId(soundId);
+                    if (mappedSoundId == -1) {
                         wrapper.cancel();
                     } else {
-                        wrapper.write(Types.STRING, protocol.getMappingData().getMappedNamedSound(soundName));
+                        wrapper.write(Types.STRING, protocol.getMappingData().getFullSoundMappings().mappedIdentifier(mappedSoundId));
                     }
                 });
                 read(Types.VAR_INT); // Sound category

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/BlockPlaceDestroyTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/BossBarStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/CooldownStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/EntityTracker1_9.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/LevitationStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/PlayerPositionTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/storage/WindowTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/task/CooldownIndicatorTask.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/protocol/v1_9to1_8/task/LevitationUpdateTask.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

common/src/main/java/com/viaversion/viarewind/utils/ChatUtil.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -49,7 +49,7 @@ public class ChatUtil {
         try {
             return jsonToLegacy(JsonParser.parseString(json));
         } catch (Exception e) {
-            if (!Via.getConfig().isSuppressConversionWarnings()) {
+            if (Via.getConfig().logTextComponentConversionErrors()) {
                 ViaRewind.getPlatform().getLogger().log(Level.WARNING, "Could not convert component to legacy text: " + json, e);
             }
         }
@@ -71,7 +71,7 @@ public class ChatUtil {
                 }
                 return legacy;
             } catch (Exception ex) {
-                if (!Via.getConfig().isSuppressConversionWarnings()) {
+                if (Via.getConfig().logTextComponentConversionErrors()) {
                     ViaRewind.getPlatform().getLogger().log(Level.WARNING, "Could not convert component to legacy text: " + component, ex);
                 }
             }

common/src/main/resources/assets/viarewind/data/sounds-1.9.json

@@ -1,447 +0,0 @@
-{
-  "sounds": [
-    "ambient.cave",
-    "block.anvil.break",
-    "block.anvil.destroy",
-    "block.anvil.fall",
-    "block.anvil.hit",
-    "block.anvil.land",
-    "block.anvil.place",
-    "block.anvil.step",
-    "block.anvil.use",
-    "block.brewing_stand.brew",
-    "block.chest.close",
-    "block.chest.locked",
-    "block.chest.open",
-    "block.chorus_flower.death",
-    "block.chorus_flower.grow",
-    "block.cloth.break",
-    "block.cloth.fall",
-    "block.cloth.hit",
-    "block.cloth.place",
-    "block.cloth.step",
-    "block.comparator.click",
-    "block.dispenser.dispense",
-    "block.dispenser.fail",
-    "block.dispenser.launch",
-    "block.end_gateway.spawn",
-    "block.enderchest.close",
-    "block.enderchest.open",
-    "block.fence_gate.close",
-    "block.fence_gate.open",
-    "block.fire.ambient",
-    "block.fire.extinguish",
-    "block.furnace.fire_crackle",
-    "block.glass.break",
-    "block.glass.fall",
-    "block.glass.hit",
-    "block.glass.place",
-    "block.glass.step",
-    "block.grass.break",
-    "block.grass.fall",
-    "block.grass.hit",
-    "block.grass.place",
-    "block.grass.step",
-    "block.gravel.break",
-    "block.gravel.fall",
-    "block.gravel.hit",
-    "block.gravel.place",
-    "block.gravel.step",
-    "block.iron_door.close",
-    "block.iron_door.open",
-    "block.iron_trapdoor.close",
-    "block.iron_trapdoor.open",
-    "block.ladder.break",
-    "block.ladder.fall",
-    "block.ladder.hit",
-    "block.ladder.place",
-    "block.ladder.step",
-    "block.lava.ambient",
-    "block.lava.extinguish",
-    "block.lava.pop",
-    "block.lever.click",
-    "block.metal.break",
-    "block.metal.fall",
-    "block.metal.hit",
-    "block.metal.place",
-    "block.metal.step",
-    "block.metal_pressureplate.click_off",
-    "block.metal_pressureplate.click_on",
-    "block.note.basedrum",
-    "block.note.bass",
-    "block.note.harp",
-    "block.note.hat",
-    "block.note.pling",
-    "block.note.snare",
-    "block.piston.contract",
-    "block.piston.extend",
-    "block.portal.ambient",
-    "block.portal.travel",
-    "block.portal.trigger",
-    "block.redstone_torch.burnout",
-    "block.sand.break",
-    "block.sand.fall",
-    "block.sand.hit",
-    "block.sand.place",
-    "block.sand.step",
-    "block.slime.break",
-    "block.slime.fall",
-    "block.slime.hit",
-    "block.slime.place",
-    "block.slime.step",
-    "block.snow.break",
-    "block.snow.fall",
-    "block.snow.hit",
-    "block.snow.place",
-    "block.snow.step",
-    "block.stone.break",
-    "block.stone.fall",
-    "block.stone.hit",
-    "block.stone.place",
-    "block.stone.step",
-    "block.stone_button.click_off",
-    "block.stone_button.click_on",
-    "block.stone_pressureplate.click_off",
-    "block.stone_pressureplate.click_on",
-    "block.tripwire.attach",
-    "block.tripwire.click_off",
-    "block.tripwire.click_on",
-    "block.tripwire.detach",
-    "block.water.ambient",
-    "block.waterlily.place",
-    "block.wood.break",
-    "block.wood.fall",
-    "block.wood.hit",
-    "block.wood.place",
-    "block.wood.step",
-    "block.wood_button.click_off",
-    "block.wood_button.click_on",
-    "block.wood_pressureplate.click_off",
-    "block.wood_pressureplate.click_on",
-    "block.wooden_door.close",
-    "block.wooden_door.open",
-    "block.wooden_trapdoor.close",
-    "block.wooden_trapdoor.open",
-    "enchant.thorns.hit",
-    "entity.armorstand.break",
-    "entity.armorstand.fall",
-    "entity.armorstand.hit",
-    "entity.armorstand.place",
-    "entity.arrow.hit",
-    "entity.arrow.hit_player",
-    "entity.arrow.shoot",
-    "entity.bat.ambient",
-    "entity.bat.death",
-    "entity.bat.hurt",
-    "entity.bat.loop",
-    "entity.bat.takeoff",
-    "entity.blaze.ambient",
-    "entity.blaze.burn",
-    "entity.blaze.death",
-    "entity.blaze.hurt",
-    "entity.blaze.shoot",
-    "entity.bobber.splash",
-    "entity.bobber.throw",
-    "entity.cat.ambient",
-    "entity.cat.death",
-    "entity.cat.hiss",
-    "entity.cat.hurt",
-    "entity.cat.purr",
-    "entity.cat.purreow",
-    "entity.chicken.ambient",
-    "entity.chicken.death",
-    "entity.chicken.egg",
-    "entity.chicken.hurt",
-    "entity.chicken.step",
-    "entity.cow.ambient",
-    "entity.cow.death",
-    "entity.cow.hurt",
-    "entity.cow.milk",
-    "entity.cow.step",
-    "entity.creeper.death",
-    "entity.creeper.hurt",
-    "entity.creeper.primed",
-    "entity.donkey.ambient",
-    "entity.donkey.angry",
-    "entity.donkey.chest",
-    "entity.donkey.death",
-    "entity.donkey.hurt",
-    "entity.egg.throw",
-    "entity.elder_guardian.ambient",
-    "entity.elder_guardian.ambient_land",
-    "entity.elder_guardian.curse",
-    "entity.elder_guardian.death",
-    "entity.elder_guardian.death_land",
-    "entity.elder_guardian.hurt",
-    "entity.elder_guardian.hurt_land",
-    "entity.enderdragon.ambient",
-    "entity.enderdragon.death",
-    "entity.enderdragon.flap",
-    "entity.enderdragon.growl",
-    "entity.enderdragon.hurt",
-    "entity.enderdragon.shoot",
-    "entity.enderdragon_fireball.explode",
-    "entity.endereye.launch",
-    "entity.endermen.ambient",
-    "entity.endermen.death",
-    "entity.endermen.hurt",
-    "entity.endermen.scream",
-    "entity.endermen.stare",
-    "entity.endermen.teleport",
-    "entity.endermite.ambient",
-    "entity.endermite.death",
-    "entity.endermite.hurt",
-    "entity.endermite.step",
-    "entity.enderpearl.throw",
-    "entity.experience_bottle.throw",
-    "entity.experience_orb.pickup",
-    "entity.experience_orb.touch",
-    "entity.firework.blast",
-    "entity.firework.blast_far",
-    "entity.firework.large_blast",
-    "entity.firework.large_blast_far",
-    "entity.firework.launch",
-    "entity.firework.shoot",
-    "entity.firework.twinkle",
-    "entity.firework.twinkle_far",
-    "entity.generic.big_fall",
-    "entity.generic.burn",
-    "entity.generic.death",
-    "entity.generic.drink",
-    "entity.generic.eat",
-    "entity.generic.explode",
-    "entity.generic.extinguish_fire",
-    "entity.generic.hurt",
-    "entity.generic.small_fall",
-    "entity.generic.splash",
-    "entity.generic.swim",
-    "entity.ghast.ambient",
-    "entity.ghast.death",
-    "entity.ghast.hurt",
-    "entity.ghast.scream",
-    "entity.ghast.shoot",
-    "entity.ghast.warn",
-    "entity.guardian.ambient",
-    "entity.guardian.ambient_land",
-    "entity.guardian.attack",
-    "entity.guardian.death",
-    "entity.guardian.death_land",
-    "entity.guardian.flop",
-    "entity.guardian.hurt",
-    "entity.guardian.hurt_land",
-    "entity.horse.ambient",
-    "entity.horse.angry",
-    "entity.horse.armor",
-    "entity.horse.breathe",
-    "entity.horse.death",
-    "entity.horse.eat",
-    "entity.horse.gallop",
-    "entity.horse.hurt",
-    "entity.horse.jump",
-    "entity.horse.land",
-    "entity.horse.saddle",
-    "entity.horse.step",
-    "entity.horse.step_wood",
-    "entity.hostile.big_fall",
-    "entity.hostile.death",
-    "entity.hostile.hurt",
-    "entity.hostile.small_fall",
-    "entity.hostile.splash",
-    "entity.hostile.swim",
-    "entity.irongolem.attack",
-    "entity.irongolem.death",
-    "entity.irongolem.hurt",
-    "entity.irongolem.step",
-    "entity.item.break",
-    "entity.item.pickup",
-    "entity.itemframe.add_item",
-    "entity.itemframe.break",
-    "entity.itemframe.place",
-    "entity.itemframe.remove_item",
-    "entity.itemframe.rotate_item",
-    "entity.leashknot.break",
-    "entity.leashknot.place",
-    "entity.lightning.impact",
-    "entity.lightning.thunder",
-    "entity.lingeringpotion.throw",
-    "entity.magmacube.death",
-    "entity.magmacube.hurt",
-    "entity.magmacube.jump",
-    "entity.magmacube.squish",
-    "entity.minecart.inside",
-    "entity.minecart.riding",
-    "entity.mooshroom.shear",
-    "entity.mule.ambient",
-    "entity.mule.death",
-    "entity.mule.hurt",
-    "entity.painting.break",
-    "entity.painting.place",
-    "entity.pig.ambient",
-    "entity.pig.death",
-    "entity.pig.hurt",
-    "entity.pig.saddle",
-    "entity.pig.step",
-    "entity.player.attack.crit",
-    "entity.player.attack.knockback",
-    "entity.player.attack.nodamage",
-    "entity.player.attack.strong",
-    "entity.player.attack.sweep",
-    "entity.player.attack.weak",
-    "entity.player.big_fall",
-    "entity.player.breath",
-    "entity.player.burp",
-    "entity.player.death",
-    "entity.player.hurt",
-    "entity.player.levelup",
-    "entity.player.small_fall",
-    "entity.player.splash",
-    "entity.player.swim",
-    "entity.rabbit.ambient",
-    "entity.rabbit.attack",
-    "entity.rabbit.death",
-    "entity.rabbit.hurt",
-    "entity.rabbit.jump",
-    "entity.sheep.ambient",
-    "entity.sheep.death",
-    "entity.sheep.hurt",
-    "entity.sheep.shear",
-    "entity.sheep.step",
-    "entity.shulker.ambient",
-    "entity.shulker.close",
-    "entity.shulker.death",
-    "entity.shulker.hurt",
-    "entity.shulker.hurt_closed",
-    "entity.shulker.open",
-    "entity.shulker.shoot",
-    "entity.shulker.teleport",
-    "entity.shulker_bullet.hit",
-    "entity.shulker_bullet.hurt",
-    "entity.silverfish.ambient",
-    "entity.silverfish.death",
-    "entity.silverfish.hurt",
-    "entity.silverfish.step",
-    "entity.skeleton.ambient",
-    "entity.skeleton.death",
-    "entity.skeleton.hurt",
-    "entity.skeleton.shoot",
-    "entity.skeleton.step",
-    "entity.skeleton_horse.ambient",
-    "entity.skeleton_horse.death",
-    "entity.skeleton_horse.hurt",
-    "entity.slime.attack",
-    "entity.slime.death",
-    "entity.slime.hurt",
-    "entity.slime.jump",
-    "entity.slime.squish",
-    "entity.small_magmacube.death",
-    "entity.small_magmacube.hurt",
-    "entity.small_magmacube.squish",
-    "entity.small_slime.death",
-    "entity.small_slime.hurt",
-    "entity.small_slime.jump",
-    "entity.small_slime.squish",
-    "entity.snowball.throw",
-    "entity.snowman.ambient",
-    "entity.snowman.death",
-    "entity.snowman.hurt",
-    "entity.snowman.shoot",
-    "entity.spider.ambient",
-    "entity.spider.death",
-    "entity.spider.hurt",
-    "entity.spider.step",
-    "entity.splash_potion.break",
-    "entity.splash_potion.throw",
-    "entity.squid.ambient",
-    "entity.squid.death",
-    "entity.squid.hurt",
-    "entity.tnt.primed",
-    "entity.villager.ambient",
-    "entity.villager.death",
-    "entity.villager.hurt",
-    "entity.villager.no",
-    "entity.villager.trading",
-    "entity.villager.yes",
-    "entity.witch.ambient",
-    "entity.witch.death",
-    "entity.witch.drink",
-    "entity.witch.hurt",
-    "entity.witch.throw",
-    "entity.wither.ambient",
-    "entity.wither.break_block",
-    "entity.wither.death",
-    "entity.wither.hurt",
-    "entity.wither.shoot",
-    "entity.wither.spawn",
-    "entity.wolf.ambient",
-    "entity.wolf.death",
-    "entity.wolf.growl",
-    "entity.wolf.howl",
-    "entity.wolf.hurt",
-    "entity.wolf.pant",
-    "entity.wolf.shake",
-    "entity.wolf.step",
-    "entity.wolf.whine",
-    "entity.zombie.ambient",
-    "entity.zombie.attack_door_wood",
-    "entity.zombie.attack_iron_door",
-    "entity.zombie.break_door_wood",
-    "entity.zombie.death",
-    "entity.zombie.hurt",
-    "entity.zombie.infect",
-    "entity.zombie.step",
-    "entity.zombie_horse.ambient",
-    "entity.zombie_horse.death",
-    "entity.zombie_horse.hurt",
-    "entity.zombie_pig.ambient",
-    "entity.zombie_pig.angry",
-    "entity.zombie_pig.death",
-    "entity.zombie_pig.hurt",
-    "entity.zombie_villager.ambient",
-    "entity.zombie_villager.converted",
-    "entity.zombie_villager.cure",
-    "entity.zombie_villager.death",
-    "entity.zombie_villager.hurt",
-    "entity.zombie_villager.step",
-    "item.armor.equip_chain",
-    "item.armor.equip_diamond",
-    "item.armor.equip_generic",
-    "item.armor.equip_gold",
-    "item.armor.equip_iron",
-    "item.armor.equip_leather",
-    "item.bottle.fill",
-    "item.bottle.fill_dragonbreath",
-    "item.bucket.empty",
-    "item.bucket.empty_lava",
-    "item.bucket.fill",
-    "item.bucket.fill_lava",
-    "item.chorus_fruit.teleport",
-    "item.firecharge.use",
-    "item.flintandsteel.use",
-    "item.hoe.till",
-    "item.shield.block",
-    "item.shield.break",
-    "item.shovel.flatten",
-    "music.creative",
-    "music.credits",
-    "music.dragon",
-    "music.end",
-    "music.game",
-    "music.menu",
-    "music.nether",
-    "record.11",
-    "record.13",
-    "record.blocks",
-    "record.cat",
-    "record.chirp",
-    "record.far",
-    "record.mall",
-    "record.mellohi",
-    "record.stal",
-    "record.strad",
-    "record.wait",
-    "record.ward",
-    "ui.button.click",
-    "weather.rain",
-    "weather.rain.above"
-  ]
-}

fabric/src/main/java/com/viaversion/viarewind/ViaFabricAddon.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

fabric/src/main/java/com/viaversion/viarewind/fabric/util/LoggerWrapper.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaRewind - https://github.com/ViaVersion/ViaRewind
- * Copyright (C) 2018-2025 ViaVersion and contributors
+ * Copyright (C) 2018-2026 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

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

@@ -24,7 +24,7 @@
   },
   "depends": {
     "viafabric": ">=0.4.14",
-    "viabackwards": ">=5.5.0"
+    "viabackwards": ">=5.7.1"
   },
   "custom": {
     "modmenu:api": true,

gradle.properties

@@ -7,14 +7,14 @@ org.gradle.configuration-cache=true
 project_jvm_version=17
 
 project_group=com.viaversion
-project_version=4.0.10
+project_version=4.0.14
 project_description=ViaVersion addon to allow 1.8.x and 1.7.x clients on newer server versions.
 
 publishing_dev_id=FlorianMichael
 publishing_dev_name=EnZaXD
-publishing_dev_mail=florian.michael07@gmail.com
+publishing_dev_mail=git@florianmichael.de
 
 # Modrinth/Hangar Publishing
-minecraft_versions=1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10, 1.9.4, 1.9.3, 1.9.2, 1.9.1, 1.9, 1.8.9, 1.8.8
-minecraft_version_range=1.8-1.21.9
+minecraft_versions=1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10, 1.9.4, 1.9.3, 1.9.2, 1.9.1, 1.9, 1.8.9, 1.8.8
+minecraft_version_range=1.8-1.21.11
 velocity_version=3.3

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=a17ddd85a26b6a7f5ddb71ff8b05fc5104c0202c6e64782429790c933686c806
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
+distributionSha256Sum=0d585f69da091fc5b2beced877feab55a3064d43b8a1d46aeb07996b0915e0e0
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

settings.gradle.kts

@@ -5,8 +5,8 @@ pluginManagement {
     }
 
     plugins {
-        id("de.florianmichael.baseproject.BaseProject") version "1.2.2"
-        id("io.papermc.hangar-publish-plugin") version "0.1.3"
+        id("de.florianmichael.baseproject.BaseProject") version "1.2.6"
+        id("io.papermc.hangar-publish-plugin") version "0.1.4"
         id("net.raphimc.class-token-replacer") version "1.1.7"
         id("com.modrinth.minotaur") version "2.+"
     }

sponge/src/main/resources/META-INF/sponge_plugins.json

@@ -36,11 +36,11 @@
       },
       {
         "id": "viaversion",
-        "version": "[5.5.0,)"
+        "version": "[5.7.1,)"
       },
       {
         "id": "viabackwards",
-        "version": "[5.5.0,)"
+        "version": "[5.7.1,)"
       }
     ]
   },