Update VV usage

Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>

.github/FUNDING.yml

@@ -1,3 +1,3 @@
 github: kennytv
 patreon: kennytv
-custom: ['https://florianmichael.de/donate']
+custom: ['https://florianreuth.de/donate']

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -48,21 +48,12 @@ body:
       label: Steps to Reproduce
       description: |
         List the steps on how we can reproduce the issue. Make sure we can easily understand what you mean with each step.
+        **Please always include the client version(s) with which the issue happens. Ideally also try to find out from what specific version downward/in what version range the issue happens.**
       placeholder: |
         Example:
         1. Login with a 1.16.5 client
         2. Place a sign
-        3. The sign text is displayed wrong
-    validations:
-      required: true
-
-  - type: textarea
-    attributes:
-      label: Expected Behavior
-      description: |
-        Describe what exactly you expected to happen.
-      placeholder: |
-        Example: "Placed sign text should not disappear."
+        3. The sign text disappears
     validations:
       required: true
 

.github/dependabot.yml

@@ -1,6 +1,14 @@
 version: 2
 updates:
   - package-ecosystem: "github-actions"
+    cooldown:
+      default-days: 7
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "monthly"
+  - package-ecosystem: "gradle"
+    cooldown:
+      default-days: 7
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/build.yml

@@ -1,22 +1,23 @@
-name: Java CI with Gradle
-
-on: [push, pull_request]
+name: Build
+on: [pull_request, push, workflow_dispatch]
+permissions:
+  contents: read
 
 jobs:
   build:
+    # 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
-
+    timeout-minutes: 30
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # 6.0.2
       with:
         persist-credentials: false
     - name: Set up Gradle
-      uses: gradle/actions/setup-gradle@v5
+      uses: gradle/actions/setup-gradle@f29f5a9d7b09a7c6b29859002d29d24e1674c884 # 5.0.1
     - name: Set up JDK 17
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # 5.2.0
       with:
         distribution: 'temurin'
         java-version: 17

.github/workflows/publish.yml

@@ -6,24 +6,28 @@ on:
       - dev
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   publish:
     if: github.repository_owner == 'ViaVersion'
     runs-on: ubuntu-24.04
+    timeout-minutes: 30
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # 6.0.2
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@f29f5a9d7b09a7c6b29859002d29d24e1674c884 # 5.0.1
       - name: Set up JDK 17
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # 5.2.0
         with:
           distribution: 'temurin'
           java-version: 17
           check-latest: true
-      - name: Build
+      - name: Build with Gradle
         run: ./gradlew build --refresh-dependencies
       - name: Publish to Hangar
         env:

.github/workflows/update-gradle-wrapper.yml

@@ -1,16 +0,0 @@
-name: Update Gradle Wrapper
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: "0 0 * * 0"
-
-jobs:
-  update-gradle-wrapper:
-    runs-on: ubuntu-24.04
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v5
-        with:
-          persist-credentials: false
-      - name: Update Gradle Wrapper
-        uses: gradle-update/update-gradle-wrapper-action@v2

README.md

@@ -12,7 +12,7 @@ Supported Versions
 -
 As a plugin, ViaBackwards runs on servers on releases 1.10-latest. You can also use ViaBackwards in ViaFabric or ViaFabricPlus.
 - in **ViaFabric**, put ViaBackwards into the `mods` folder
-- in **ViaFabricPlus**, put ViaBackwards into the `ViaFabricPlus/jars` folder
+- in **ViaFabricPlus**, put ViaBackwards into the `config/viafabriclus/jars` folder
 
 See [HERE](https://viaversion.com) for an overview of the different Via* projects.
 

build-logic/build.gradle.kts

@@ -8,7 +8,7 @@ repositories {
 
 dependencies {
     // version must be manually kept in sync with the one in root project settings.gradle.kts
-    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.1.0")
+    implementation("com.gradleup.shadow:shadow-gradle-plugin:9.4.1")
 
     // A nice no-conflict comment for patching in downgrading
 }

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

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -19,11 +19,12 @@
 package com.viaversion.viabackwards;
 
 import com.viaversion.viabackwards.api.ViaBackwardsPlatform;
-import com.viaversion.viabackwards.listener.BlockBreakListener;
-import com.viaversion.viabackwards.listener.FireDamageListener;
-import com.viaversion.viabackwards.listener.FireExtinguishListener;
-import com.viaversion.viabackwards.listener.LecternInteractListener;
-import com.viaversion.viabackwards.listener.PlayerItemDropListener;
+import com.viaversion.viabackwards.listener.DurabilitySync1_11;
+import com.viaversion.viabackwards.listener.PlayerHurtSound1_12;
+import com.viaversion.viabackwards.listener.FireExtinguish1_16;
+import com.viaversion.viabackwards.listener.LecternInteract1_14;
+import com.viaversion.viabackwards.listener.ItemDropSync1_17;
+import com.viaversion.viabackwards.listener.SpearAttack1_21_11;
 import com.viaversion.viabackwards.protocol.v1_20_2to1_20.provider.AdvancementCriteriaProvider;
 import com.viaversion.viabackwards.provider.BukkitAdvancementCriteriaProvider;
 import com.viaversion.viaversion.api.Via;
@@ -53,20 +54,23 @@ public class BukkitPlugin extends JavaPlugin implements ViaBackwardsPlatform {
         ViaBackwardsPlatform.super.enable();
 
         final ProtocolVersion protocolVersion = Via.getAPI().getServerVersion().highestSupportedProtocolVersion();
+        if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_21_11)) {
+            new SpearAttack1_21_11(this).register();
+        }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_17)) {
-            new PlayerItemDropListener(this).register();
+            new ItemDropSync1_17(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_16)) {
-            new FireExtinguishListener(this).register();
+            new FireExtinguish1_16(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_14)) {
-            new LecternInteractListener(this).register();
+            new LecternInteract1_14(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_12)) {
-            new FireDamageListener(this).register();
+            new PlayerHurtSound1_12(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_11)) {
-            new BlockBreakListener(this).register();
+            new DurabilitySync1_11(this).register();
         }
 
         final ViaProviders providers = Via.getManager().getProviders();

bukkit/src/main/java/com/viaversion/viabackwards/listener/DurabilitySync1_11.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -27,9 +27,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.inventory.ItemStack;
 
-public class BlockBreakListener extends ViaBukkitListener {
+public class DurabilitySync1_11 extends ViaBukkitListener {
 
-    public BlockBreakListener(final BukkitPlugin plugin) {
+    public DurabilitySync1_11(final BukkitPlugin plugin) {
         super(plugin, Protocol1_11To1_10.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/FireExtinguish1_16.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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 +28,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
 
-public class FireExtinguishListener extends ViaBukkitListener {
+public class FireExtinguish1_16 extends ViaBukkitListener {
 
-    public FireExtinguishListener(BukkitPlugin plugin) {
+    public FireExtinguish1_16(BukkitPlugin plugin) {
         super(plugin, Protocol1_16To1_15_2.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/ItemDropSync1_17.java

@@ -1,7 +1,7 @@
 
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -27,9 +27,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.inventory.ItemStack;
 
-public class PlayerItemDropListener extends ViaBukkitListener {
+public class ItemDropSync1_17 extends ViaBukkitListener {
 
-    public PlayerItemDropListener(final BukkitPlugin plugin) {
+    public ItemDropSync1_17(final BukkitPlugin plugin) {
         super(plugin, Protocol1_13_1To1_13.class); // Starts with 1.13 clients on 1.17 servers
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/LecternInteract1_14.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -30,9 +30,9 @@ import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BookMeta;
 
-public class LecternInteractListener extends ViaBukkitListener {
+public class LecternInteract1_14 extends ViaBukkitListener {
 
-    public LecternInteractListener(BukkitPlugin plugin) {
+    public LecternInteract1_14(BukkitPlugin plugin) {
         super(plugin, Protocol1_14To1_13_2.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/PlayerHurtSound1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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 +28,9 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.entity.EntityDamageEvent;
 
-public class FireDamageListener extends ViaBukkitListener {
+public class PlayerHurtSound1_12 extends ViaBukkitListener {
 
-    public FireDamageListener(BukkitPlugin plugin) {
+    public PlayerHurtSound1_12(BukkitPlugin plugin) {
         super(plugin, Protocol1_12To1_11_1.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/SpearAttack1_21_11.java

@@ -0,0 +1,48 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards.listener;
+
+import com.viaversion.viabackwards.BukkitPlugin;
+import com.viaversion.viabackwards.protocol.v1_21_11to1_21_9.Protocol1_21_11To1_21_9;
+import com.viaversion.viaversion.bukkit.listeners.ViaBukkitListener;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.inventory.ItemStack;
+
+public class SpearAttack1_21_11 extends ViaBukkitListener {
+
+    public SpearAttack1_21_11(final BukkitPlugin plugin) {
+        super(plugin, Protocol1_21_11To1_21_9.class);
+    }
+
+    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+    public void onBlockBreak(final BlockBreakEvent event) {
+        final Player player = event.getPlayer();
+        if (!isOnPipe(player)) {
+            return;
+        }
+
+        final ItemStack item = player.getInventory().getItemInMainHand();
+        if (item.getType().name().endsWith("_SPEAR")) {
+            // Prevent spears from breaking blocks
+            event.setCancelled(true);
+        }
+    }
+}

bukkit/src/main/java/com/viaversion/viabackwards/provider/BukkitAdvancementCriteriaProvider.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/ViaBackwards.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/ViaBackwardsConfig.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -44,7 +44,10 @@ public class ViaBackwardsConfig extends Config implements com.viaversion.viaback
     private boolean mapCustomModelData;
     private boolean mapDisplayEntities;
     private boolean suppressEmulationWarnings;
+    private boolean dialogsViaChests;
     private DialogStyleConfig dialogStyleConfig;
+    private boolean codeOfConductAsDialog;
+    private boolean passOriginalItemNameToResourcePacks;
 
     public ViaBackwardsConfig(File configFile, Logger logger) {
         super(configFile, logger);
@@ -70,7 +73,10 @@ public class ViaBackwardsConfig extends Config implements com.viaversion.viaback
         mapCustomModelData = getBoolean("map-custom-model-data", true);
         mapDisplayEntities = getBoolean("map-display-entities", true);
         suppressEmulationWarnings = getBoolean("suppress-emulation-warnings", false);
+        dialogsViaChests = getBoolean("dialogs-via-chests", true);
         dialogStyleConfig = loadDialogStyleConfig(getSection("dialog-style"));
+        codeOfConductAsDialog = getBoolean("code-of-conduct-as-dialog", true);
+        passOriginalItemNameToResourcePacks = getBoolean("pass-original-item-name-to-resource-packs", true);
     }
 
     private DialogStyleConfig loadDialogStyleConfig(final ConfigSection section) {
@@ -160,11 +166,26 @@ public class ViaBackwardsConfig extends Config implements com.viaversion.viaback
         return suppressEmulationWarnings;
     }
 
+    @Override
+    public boolean dialogsViaChests() {
+        return dialogsViaChests;
+    }
+
     @Override
     public DialogStyleConfig dialogStyleConfig() {
         return dialogStyleConfig;
     }
 
+    @Override
+    public boolean codeOfConductAsDialog() {
+        return codeOfConductAsDialog;
+    }
+
+    @Override
+    public boolean passOriginalItemNameToResourcePacks() {
+        return passOriginalItemNameToResourcePacks;
+    }
+
     @Override
     public URL getDefaultConfigURL() {
         return getClass().getClassLoader().getResource("assets/viabackwards/config.yml");

common/src/main/java/com/viaversion/viabackwards/ViaBackwardsPlatformImpl.java

@@ -0,0 +1,53 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards;
+
+import com.viaversion.viabackwards.api.ViaBackwardsPlatform;
+import com.viaversion.viaversion.api.Via;
+import java.io.File;
+import java.util.logging.Logger;
+
+public class ViaBackwardsPlatformImpl implements ViaBackwardsPlatform {
+
+    private final Logger logger;
+
+    public ViaBackwardsPlatformImpl() {
+        logger = Via.getPlatform().createLogger("ViaBackwards");
+        init(new File(getDataFolder(), "viabackwards.yml"));
+        enable();
+    }
+
+    @Override
+    public Logger getLogger() {
+        return logger;
+    }
+
+    @Override
+    public void disable() {
+    }
+
+    @Override
+    public File getDataFolder() {
+        return Via.getPlatform().getDataFolder();
+    }
+
+    @Override
+    public boolean isOutdated() {
+        return false;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/api/BackwardsProtocol.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -18,9 +18,9 @@
 package com.viaversion.viabackwards.api;
 
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.text.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.BackwardsRegistryRewriter;
+import com.viaversion.viabackwards.protocol.registration.BackwardsRegistrations;
 import com.viaversion.viabackwards.utils.BackwardsProtocolLogger;
-import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
@@ -31,6 +31,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 public abstract class BackwardsProtocol<CU extends ClientboundPacketType, CM extends ClientboundPacketType, SM extends ServerboundPacketType, SU extends ServerboundPacketType>
     extends AbstractProtocol<CU, CM, SM, SU> {
 
+    @Deprecated
     protected BackwardsProtocol() {
     }
 
@@ -39,21 +40,10 @@ public abstract class BackwardsProtocol<CU extends ClientboundPacketType, CM ext
         super(oldClientboundPacketEnum, clientboundPacketEnum, oldServerboundPacketEnum, serverboundPacketEnum);
     }
 
-    /**
-     * Waits for the given protocol to be loaded to then asynchronously execute the runnable for this protocol.
-     */
-    protected void executeAsyncAfterLoaded(Class<? extends Protocol> protocolClass, Runnable runnable) {
-        Via.getManager().getProtocolManager().addMappingLoaderFuture(getClass(), protocolClass, runnable);
-    }
-
     @Override
-    protected void registerPackets() {
-        super.registerPackets();
-
-        final BackwardsMappingData mappingData = getMappingData();
-        if (mappingData != null && mappingData.getViaVersionProtocolClass() != null) {
-            executeAsyncAfterLoaded(mappingData.getViaVersionProtocolClass(), this::loadMappingData);
-        }
+    protected void applySharedRegistrations() {
+        super.applySharedRegistrations();
+        BackwardsRegistrations.registrations().applyMatching(this);
     }
 
     @Override
@@ -62,18 +52,17 @@ public abstract class BackwardsProtocol<CU extends ClientboundPacketType, CM ext
     }
 
     @Override
-    public boolean hasMappingDataToLoad() {
-        // Manually load them later, since they depend on VV's mappings
-        return false;
+    public @Nullable Class<? extends Protocol<?, ?, ?, ?>> dependsOn() {
+        return getMappingData() != null ? getMappingData().getViaVersionProtocolClass() : null;
     }
 
     @Override
-    public @Nullable BackwardsMappingData getMappingData() { // Change return type to BackwardsMappings
+    public @Nullable BackwardsMappingData getMappingData() {
         return null;
     }
 
     @Override
-    public @Nullable TranslatableRewriter getComponentRewriter() {
+    public @Nullable BackwardsRegistryRewriter getRegistryDataRewriter() {
         return null;
     }
 }

common/src/main/java/com/viaversion/viabackwards/api/DialogStyleConfig.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/ViaBackwardsConfig.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -113,10 +113,33 @@ public interface ViaBackwardsConfig extends Config {
      */
     boolean suppressEmulationWarnings();
 
+    /**
+     * If enabled, dialogs will be shown via chest inventories for 1.21.5 clients on 1.21.6+ servers.
+     *
+     * @return true if enabled
+     */
+    boolean dialogsViaChests();
+
     /**
      * Returns the dialog style configuration.
      *
      * @return the dialog style configuration
      */
     DialogStyleConfig dialogStyleConfig();
+
+    /**
+     * If true, the code of conduct will be displayed as a dialog for 1.21.7 clients on 1.21.9+ servers.
+     *
+     * @return true if enabled
+     */
+    boolean codeOfConductAsDialog();
+
+    /**
+     * Injects the original vanilla 1.21.4+ item name into custom_model_data strings for resource packs.
+     * Disable if your server creates custom items using modern items as their base.
+     * Tip: For server custom items, base them on items in the game before 1.21.4 (e.g. saddle) to ensure compatibility.
+     *
+     * @return true if enabled
+     */
+    boolean passOriginalItemNameToResourcePacks();
 }

common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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 +21,7 @@ package com.viaversion.viabackwards.api;
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.ViaBackwardsConfig;
 import com.viaversion.viabackwards.api.data.TranslatableMappings;
+import com.viaversion.viabackwards.protocol.registration.BackwardsRegistrations;
 import com.viaversion.viabackwards.protocol.v1_10to1_9_3.Protocol1_10To1_9_3;
 import com.viaversion.viabackwards.protocol.v1_11_1to1_11.Protocol1_11_1To1_11;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.Protocol1_11To1_10;
@@ -55,6 +56,7 @@ import com.viaversion.viabackwards.protocol.v1_20_2to1_20.Protocol1_20_2To1_20;
 import com.viaversion.viabackwards.protocol.v1_20_3to1_20_2.Protocol1_20_3To1_20_2;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.Protocol1_20_5To1_20_3;
 import com.viaversion.viabackwards.protocol.v1_20to1_19_4.Protocol1_20To1_19_4;
+import com.viaversion.viabackwards.protocol.v1_21_11to1_21_9.Protocol1_21_11To1_21_9;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.Protocol1_21_2To1_21;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.task.PlayerPacketsTickTask;
 import com.viaversion.viabackwards.protocol.v1_21_4to1_21_2.Protocol1_21_4To1_21_2;
@@ -66,6 +68,7 @@ import com.viaversion.viabackwards.protocol.v1_21_9to1_21_7.Protocol1_21_9To1_21
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.Protocol1_21To1_20_5;
 import com.viaversion.viabackwards.protocol.v1_9_1to1_9.Protocol1_9_1To1_9;
 import com.viaversion.viabackwards.protocol.v1_9_3to1_9_1.Protocol1_9_3To1_9_1;
+import com.viaversion.viabackwards.protocol.v26_1to1_21_11.Protocol26_1To1_21_11;
 import com.viaversion.viabackwards.utils.VersionInfo;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.ProtocolManager;
@@ -77,13 +80,16 @@ import java.util.logging.Logger;
 
 public interface ViaBackwardsPlatform {
 
-    String MINIMUM_VV_VERSION = "5.5.1";
+    String MINIMUM_VV_VERSION = "5.8.1";
+
+    default void init(final File configFile) {
+        init(new ViaBackwardsConfig(configFile, getLogger()));
+    }
 
     /**
      * Initialize ViaBackwards.
      */
-    default void init(final File configFile) {
-        ViaBackwardsConfig config = new ViaBackwardsConfig(configFile, getLogger());
+    default void init(final com.viaversion.viabackwards.api.ViaBackwardsConfig config) {
         config.reload();
         Via.getManager().getConfigurationProvider().register(config);
 
@@ -100,6 +106,8 @@ public interface ViaBackwardsPlatform {
         TranslatableMappings.loadTranslatables();
 
         getLogger().info("Registering protocols...");
+        BackwardsRegistrations.apply();
+
         final ProtocolManager protocolManager = Via.getManager().getProtocolManager();
         protocolManager.registerProtocol(new Protocol1_9_1To1_9(), ProtocolVersion.v1_9, ProtocolVersion.v1_9_1);
         protocolManager.registerProtocol(new Protocol1_9_3To1_9_1(), Arrays.asList(ProtocolVersion.v1_9_1, ProtocolVersion.v1_9_2), ProtocolVersion.v1_9_3);
@@ -156,6 +164,9 @@ public interface ViaBackwardsPlatform {
         protocolManager.registerProtocol(new Protocol1_21_6To1_21_5(), ProtocolVersion.v1_21_5, ProtocolVersion.v1_21_6);
         protocolManager.registerProtocol(new Protocol1_21_7To1_21_6(), ProtocolVersion.v1_21_6, ProtocolVersion.v1_21_7);
         protocolManager.registerProtocol(new Protocol1_21_9To1_21_7(), ProtocolVersion.v1_21_7, ProtocolVersion.v1_21_9);
+        protocolManager.registerProtocol(new Protocol1_21_11To1_21_9(), ProtocolVersion.v1_21_9, ProtocolVersion.v1_21_11);
+
+        protocolManager.registerProtocol(new Protocol26_1To1_21_11(), ProtocolVersion.v1_21_11, ProtocolVersion.v26_1);
     }
 
     default void enable() {

common/src/main/java/com/viaversion/viabackwards/api/data/BackwardsMappingData.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/data/BackwardsMappingDataLoader.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/data/ItemMappings.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/data/MappedItem.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/data/MappedLegacyBlockItem.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/data/TranslatableMappings.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/EntityObjectData.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/EntityPositionHandler.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/EntityPositionStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/EntityReplacement.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/PlayerPositionStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/entities/storage/WrappedEntityData.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/BackwardsItemRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/BackwardsItemRewriterBase.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/BackwardsRegistryRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/BackwardsStructuredItemRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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 com.viaversion.nbt.tag.IntTag;
 import com.viaversion.nbt.tag.ListTag;
 import com.viaversion.nbt.tag.StringTag;
 import com.viaversion.nbt.tag.Tag;
+import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.data.MappedItem;
@@ -40,6 +41,7 @@ import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
 import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
 import com.viaversion.viaversion.rewriter.StructuredItemRewriter;
+import com.viaversion.viaversion.util.ArrayUtil;
 import com.viaversion.viaversion.util.Key;
 import java.util.ArrayList;
 import java.util.List;
@@ -51,9 +53,13 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
     T extends BackwardsProtocol<C, ?, ?, S>> extends StructuredItemRewriter<C, S, T> {
 
     private static final int[] EMPTY_INT_ARRAY = new int[0];
+    private static final String GLOBAL_MODEL_DATA_MARKER = "VB|injected_cmd";
+
+    private final String nbtTagName;
 
     public BackwardsStructuredItemRewriter(T protocol) {
         super(protocol);
+        this.nbtTagName = "VB|" + protocol.getClass().getSimpleName();
     }
 
     @Override
@@ -70,17 +76,11 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
         customTag.putInt(nbtTagName("id"), item.identifier()); // Save original id
 
         // Add custom model data
-        if (mappedItem.customModelData() != null) {
+        final boolean addOriginalIdentifier = ViaBackwards.getConfig().passOriginalItemNameToResourcePacks();
+        if (mappedItem.customModelData() != null || addOriginalIdentifier) {
             if (connection.getProtocolInfo().protocolVersion().newerThanOrEqualTo(ProtocolVersion.v1_21_4)) {
-                if (!dataContainer.has(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4)) {
-                    dataContainer.set(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4, new CustomModelData1_21_4(
-                        new float[]{mappedItem.customModelData().floatValue()},
-                        new boolean[0],
-                        new String[0],
-                        EMPTY_INT_ARRAY
-                    ));
-                }
-            } else if (!dataContainer.has(StructuredDataKey.CUSTOM_MODEL_DATA1_20_5)) {
+                addCustomModelData(item, addOriginalIdentifier, mappedItem, customTag);
+            } else if (mappedItem.customModelData() != null && !dataContainer.has(StructuredDataKey.CUSTOM_MODEL_DATA1_20_5)) {
                 dataContainer.set(StructuredDataKey.CUSTOM_MODEL_DATA1_20_5, mappedItem.customModelData());
             }
         }
@@ -92,6 +92,33 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
         }
     }
 
+    private void addCustomModelData(final Item item, final boolean addOriginalIdentifier, final MappedItem mappedItem, final CompoundTag customTag) {
+        final StructuredDataContainer dataContainer = item.dataContainer();
+        CustomModelData1_21_4 customModelData = dataContainer.get(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4);
+        if (customModelData == null) {
+            final String[] strings = addOriginalIdentifier
+                ? new String[]{protocol.getMappingData().getFullItemMappings().identifier(item.identifier())}
+                : new String[0];
+            customModelData = new CustomModelData1_21_4(
+                mappedItem.customModelData() != null ? new float[]{mappedItem.customModelData().floatValue()} : new float[0],
+                new boolean[0],
+                strings,
+                EMPTY_INT_ARRAY
+            );
+            dataContainer.set(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4, customModelData);
+            // Add one global marker and one for this specific version, so it is removed at the correct protocol
+            customTag.putBoolean(GLOBAL_MODEL_DATA_MARKER, true);
+            customTag.putBoolean(nbtTagName("added_custom_model_data"), true);
+        } else if (addOriginalIdentifier && !customTag.contains(GLOBAL_MODEL_DATA_MARKER)) {
+            final String identifier = protocol.getMappingData().getFullItemMappings().identifier(item.identifier());
+            dataContainer.set(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4, new CustomModelData1_21_4(
+                customModelData.floats(), customModelData.booleans(), ArrayUtil.add(customModelData.strings(), identifier), customModelData.colors()
+            ));
+            customTag.putBoolean(GLOBAL_MODEL_DATA_MARKER, true);
+            customTag.putString(nbtTagName("injected_custom_model_data"), identifier);
+        }
+    }
+
     @Override
     protected void restoreBackupData(final Item item, final StructuredDataContainer container, final CompoundTag customData) {
         super.restoreBackupData(item, container, customData);
@@ -99,6 +126,25 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
             item.setIdentifier(originalTag.asInt());
             removeCustomTag(container, customData);
         }
+
+        if (removeBackupTag(customData, "injected_custom_model_data") instanceof StringTag injectedCustomModelData) {
+            customData.remove(GLOBAL_MODEL_DATA_MARKER);
+            container.replace(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4, customModelData -> {
+                final String target = injectedCustomModelData.getValue();
+                final String[] strings = customModelData.strings();
+                for (int i = 0; i < strings.length; i++) {
+                    if (strings[i].equals(target)) {
+                        // Remove the injected string
+                        final String[] filteredStrings = ArrayUtil.remove(strings, i);
+                        return new CustomModelData1_21_4(customModelData.floats(), customModelData.booleans(), filteredStrings, customModelData.colors());
+                    }
+                }
+                return customModelData;
+            });
+        } else if (removeBackupTag(customData, "added_custom_model_data") != null) {
+            customData.remove(GLOBAL_MODEL_DATA_MARKER);
+            container.remove(StructuredDataKey.CUSTOM_MODEL_DATA1_21_4);
+        }
     }
 
     protected void saveListTag(CompoundTag tag, ListTag<?> original, String name) {
@@ -300,7 +346,11 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
     }
 
     protected Holder<SoundEvent> restoreSoundEventHolder(final CompoundTag tag) {
-        return restoreHolder(tag, "sound_event", soundEventTag -> {
+        return restoreSoundEventHolder(tag, "sound_event");
+    }
+
+    protected Holder<SoundEvent> restoreSoundEventHolder(final CompoundTag tag, final String key) {
+        return restoreHolder(tag, key, soundEventTag -> {
             final String identifier = soundEventTag.getString("identifier");
             final FloatTag fixedRange = soundEventTag.getFloatTag("fixed_range");
             return new SoundEvent(identifier, fixedRange != null ? fixedRange.asFloat() : null);
@@ -309,6 +359,6 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
 
     @Override
     public String nbtTagName() {
-        return "VB|" + protocol.getClass().getSimpleName();
+        return this.nbtTagName;
     }
 }

common/src/main/java/com/viaversion/viabackwards/api/rewriters/EnchantmentRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/EntityRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -38,7 +38,7 @@ public abstract class EntityRewriter<C extends ClientboundPacketType, T extends
     }
 
     @Override
-    public void registerTrackerWithData(C packetType, EntityType fallingBlockType) {
+    public void registerTrackerWithData(C packetType) {
         protocol.registerClientbound(packetType, wrapper -> {
             wrapper.passthrough(Types.VAR_INT); // Entity ID
             wrapper.passthrough(Types.UUID); // Entity UUID
@@ -49,12 +49,12 @@ public abstract class EntityRewriter<C extends ClientboundPacketType, T extends
             wrapper.passthrough(Types.BYTE); // Pitch
             wrapper.passthrough(Types.BYTE); // Yaw
             wrapper.passthrough(Types.INT); // Data
-            getSpawnTrackerWithDataHandler(fallingBlockType).handle(wrapper);
+            getSpawnTrackerWithDataHandler().handle(wrapper);
         });
     }
 
     @Override
-    public void registerTrackerWithData1_19(C packetType, EntityType fallingBlockType) {
+    public void registerTrackerWithData1_19(C packetType) {
         protocol.registerClientbound(packetType, wrapper -> {
             wrapper.passthrough(Types.VAR_INT); // Entity id
             wrapper.passthrough(Types.UUID); // Entity UUID
@@ -66,22 +66,22 @@ public abstract class EntityRewriter<C extends ClientboundPacketType, T extends
             wrapper.passthrough(Types.BYTE); // Yaw
             wrapper.passthrough(Types.BYTE); // Head yaw
             wrapper.passthrough(Types.VAR_INT); // Data
-            getSpawnTrackerWithDataHandler1_19(fallingBlockType).handle(wrapper);
+            getSpawnTrackerWithDataHandler1_19().handle(wrapper);
         });
     }
 
-    public PacketHandler getSpawnTrackerWithDataHandler(EntityType fallingBlockType) {
+    public PacketHandler getSpawnTrackerWithDataHandler() {
         return wrapper -> {
             // Check against the UNMAPPED entity type
             EntityType entityType = trackAndMapEntity(wrapper);
-            if (entityType == fallingBlockType) {
+            if (entityType == typeFromId("falling_block")) {
                 int blockState = wrapper.get(Types.INT, 0);
                 wrapper.set(Types.INT, 0, protocol.getMappingData().getNewBlockStateId(blockState));
             }
         };
     }
 
-    public PacketHandler getSpawnTrackerWithDataHandler1_19(EntityType fallingBlockType) {
+    public PacketHandler getSpawnTrackerWithDataHandler1_19() {
         return wrapper -> {
             if (protocol.getMappingData() == null) {
                 return;
@@ -89,14 +89,15 @@ public abstract class EntityRewriter<C extends ClientboundPacketType, T extends
 
             // Check against the UNMAPPED entity type
             EntityType entityType = trackAndMapEntity(wrapper);
-            if (entityType == fallingBlockType) {
+            if (entityType == typeFromId("falling_block")) {
                 int blockState = wrapper.get(Types.VAR_INT, 2);
                 wrapper.set(Types.VAR_INT, 2, protocol.getMappingData().getNewBlockStateId(blockState));
             }
         };
     }
 
-    public void registerSpawnTracker(C packetType) {
+    @Override
+    public void registerTracker(C packetType) {
         protocol.registerClientbound(packetType, wrapper -> {
             wrapper.passthrough(Types.VAR_INT); // Entity ID
             wrapper.passthrough(Types.UUID); // Entity UUID

common/src/main/java/com/viaversion/viabackwards/api/rewriters/EntityRewriterBase.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/LegacyBlockItemRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/LegacyEnchantmentRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/LegacyEntityRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/LegacySoundRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/MapColorRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/SoundRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -17,24 +17,22 @@
  */
 package com.viaversion.viabackwards.api.rewriters;
 
-import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viaversion.api.minecraft.Holder;
-import com.viaversion.viaversion.api.minecraft.SoundEvent;
+import com.viaversion.viaversion.api.data.Mappings;
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
-import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
 import com.viaversion.viaversion.api.type.Types;
 
 public class SoundRewriter<C extends ClientboundPacketType> extends com.viaversion.viaversion.rewriter.SoundRewriter<C> {
 
-    private final BackwardsProtocol<C, ?, ?, ?> protocol;
-
-    public SoundRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol) {
+    public SoundRewriter(final AbstractProtocol<C, ?, ?, ?> protocol) {
         super(protocol);
-        this.protocol = protocol;
     }
 
     public void registerNamedSound(final C packetType) {
+        if (protocol.getMappingData() == null || Mappings.isFullIdentity(protocol.getMappingData().getFullSoundMappings())) {
+            return;
+        }
         protocol.registerClientbound(packetType, wrapper -> {
             wrapper.passthrough(Types.STRING); // Sound identifier
             getNamedSoundHandler().handle(wrapper);
@@ -42,27 +40,10 @@ public class SoundRewriter<C extends ClientboundPacketType> extends com.viaversi
     }
 
     public void registerStopSound(final C packetType) {
-        protocol.registerClientbound(packetType, wrapper -> getStopSoundHandler().handle(wrapper));
-    }
-
-    public PacketHandler getNamedSoundHandler() {
-        return wrapper -> {
-            final String soundId = wrapper.get(Types.STRING, 0);
-            final String mappedId = protocol.getMappingData().getMappedNamedSound(soundId);
-            if (mappedId == null) {
-                return;
-            }
-
-            if (!mappedId.isEmpty()) {
-                wrapper.set(Types.STRING, 0, mappedId);
-            } else {
-                wrapper.cancel();
-            }
-        };
-    }
-
-    public PacketHandler getStopSoundHandler() {
-        return wrapper -> {
+        if (protocol.getMappingData() == null || Mappings.isFullIdentity(protocol.getMappingData().getFullSoundMappings())) {
+            return;
+        }
+        protocol.registerClientbound(packetType, wrapper -> {
             final byte flags = wrapper.passthrough(Types.BYTE);
             if ((flags & 0x01) != 0) {
                 wrapper.passthrough(Types.VAR_INT); // Source
@@ -70,7 +51,7 @@ public class SoundRewriter<C extends ClientboundPacketType> extends com.viaversi
 
             if ((flags & 0x02) == 0) return; // No sound specified
             final String soundId = wrapper.read(Types.STRING);
-            final String mappedId = protocol.getMappingData().getMappedNamedSound(soundId);
+            final String mappedId = protocol.getMappingData().getFullSoundMappings().mappedIdentifier(soundId);
             if (mappedId == null) {
                 // No mapping found
                 wrapper.write(Types.STRING, soundId);
@@ -83,45 +64,22 @@ public class SoundRewriter<C extends ClientboundPacketType> extends com.viaversi
                 // Cancel if set to empty
                 wrapper.cancel();
             }
-        };
+        });
     }
 
-    @Override
-    public void registerSound1_19_3(final C packetType) {
-        protocol.registerClientbound(packetType, getSoundHandler1_19_3());
-    }
-
-    public PacketHandler getSoundHandler1_19_3() {
+    public PacketHandler getNamedSoundHandler() {
         return wrapper -> {
-            Holder<SoundEvent> soundEventHolder = wrapper.read(Types.SOUND_EVENT);
-            if (soundEventHolder.isDirect()) {
-                wrapper.write(Types.SOUND_EVENT, rewriteSoundEvent(wrapper, soundEventHolder));
+            final String soundId = wrapper.get(Types.STRING, 0);
+            final String mappedId = protocol.getMappingData().getFullSoundMappings().mappedIdentifier(soundId);
+            if (mappedId == null) {
                 return;
             }
 
-            final int mappedId = idRewriter.rewrite(soundEventHolder.id());
-            if (mappedId == -1) {
+            if (!mappedId.isEmpty()) {
+                wrapper.set(Types.STRING, 0, mappedId);
+            } else {
                 wrapper.cancel();
-                return;
             }
-
-            if (mappedId != soundEventHolder.id()) {
-                soundEventHolder = Holder.of(mappedId);
-            }
-
-            wrapper.write(Types.SOUND_EVENT, soundEventHolder);
         };
     }
-
-    public Holder<SoundEvent> rewriteSoundEvent(final PacketWrapper wrapper, final Holder<SoundEvent> soundEventHolder) {
-        final SoundEvent soundEvent = soundEventHolder.value();
-        final String mappedIdentifier = protocol.getMappingData().getMappedNamedSound(soundEvent.identifier());
-        if (mappedIdentifier != null) {
-            if (!mappedIdentifier.isEmpty()) {
-                return Holder.of(soundEvent.withIdentifier(mappedIdentifier));
-            }
-            wrapper.cancel();
-        }
-        return soundEventHolder;
-    }
 }

common/src/main/java/com/viaversion/viabackwards/api/rewriters/StructuredEnchantmentRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/text/JsonNBTComponentRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/text/NBTComponentRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/api/rewriters/text/TranslatableRewriter.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/item/DataItemWithExtras.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/registration/BackwardsRegistrations.java

@@ -0,0 +1,38 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards.protocol.registration;
+
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import com.viaversion.viaversion.protocol.shared_registration.SharedRegistrations;
+
+public final class BackwardsRegistrations {
+
+    private static final SharedRegistrations REGISTRATIONS = SharedRegistrations.create();
+
+    public static void apply() {
+        REGISTRATIONS.registrations()
+            .range(ProtocolVersion.v1_10, ProtocolVersion.v1_19_3, RegistryRegistrations::registerNamedSound1_10)
+            .since(ProtocolVersion.v1_14, RegistryRegistrations::registerStopSound1_14)
+
+            .register();
+    }
+
+    public static SharedRegistrations registrations() {
+        return REGISTRATIONS;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/registration/RegistryRegistrations.java

@@ -0,0 +1,36 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 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.viabackwards.protocol.registration;
+
+import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_13_2to1_14.packet.ClientboundPackets1_14;
+import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
+
+final class RegistryRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerNamedSound1_10(final RegistrationContext<CU, ?> ctx) {
+        ctx.clientbound(ClientboundPackets1_9_3.CUSTOM_SOUND, new SoundRewriter<>(ctx.protocol())::registerNamedSound, PacketBound.REMOVED_AT_MAX);
+    }
+
+    static <CU extends ClientboundPacketType> void registerStopSound1_14(final RegistrationContext<CU, ?> ctx) {
+        ctx.clientbound(ClientboundPackets1_14.STOP_SOUND, new SoundRewriter<>(ctx.protocol())::registerStopSound);
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/template/BlockItemPacketRewriter1_99.java

@@ -1,95 +0,0 @@
-/*
- * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 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.viabackwards.protocol.template;
-
-import com.viaversion.nbt.tag.CompoundTag;
-import com.viaversion.viabackwards.api.rewriters.BackwardsStructuredItemRewriter;
-import com.viaversion.viaversion.api.connection.UserConnection;
-import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
-import com.viaversion.viaversion.api.minecraft.item.Item;
-import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_21_5;
-import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPacket1_21_4;
-import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPackets1_21_4;
-import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.RecipeDisplayRewriter1_21_5;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
-import com.viaversion.viaversion.rewriter.BlockRewriter;
-import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
-
-// To replace if needed:
-//   ChunkType1_21_5
-//   RecipeDisplayRewriter
-//   Types1_21_4
-final class BlockItemPacketRewriter1_99 extends BackwardsStructuredItemRewriter<ClientboundPacket1_21_2, ServerboundPacket1_21_4, Protocol1_99To1_98> {
-
-    public BlockItemPacketRewriter1_99(final Protocol1_99To1_98 protocol) {
-        super(protocol);
-    }
-
-    @Override
-    public void registerPackets() {
-        final BlockRewriter<ClientboundPacket1_21_2> blockRewriter = BlockRewriter.for1_20_2(protocol);
-        blockRewriter.registerBlockEvent(ClientboundPackets1_21_2.BLOCK_EVENT);
-        blockRewriter.registerBlockUpdate(ClientboundPackets1_21_2.BLOCK_UPDATE);
-        blockRewriter.registerSectionBlocksUpdate1_20(ClientboundPackets1_21_2.SECTION_BLOCKS_UPDATE);
-        blockRewriter.registerLevelEvent1_21(ClientboundPackets1_21_2.LEVEL_EVENT, 2001);
-        blockRewriter.registerLevelChunk1_19(ClientboundPackets1_21_2.LEVEL_CHUNK_WITH_LIGHT, ChunkType1_21_5::new);
-        blockRewriter.registerBlockEntityData(ClientboundPackets1_21_2.BLOCK_ENTITY_DATA);
-
-        // registerOpenScreen(ClientboundPackets1_21_2.OPEN_SCREEN);
-        registerSetCursorItem(ClientboundPackets1_21_2.SET_CURSOR_ITEM);
-        registerSetPlayerInventory(ClientboundPackets1_21_2.SET_PLAYER_INVENTORY);
-        registerCooldown1_21_2(ClientboundPackets1_21_2.COOLDOWN);
-        registerSetContent1_21_2(ClientboundPackets1_21_2.CONTAINER_SET_CONTENT);
-        registerSetSlot1_21_2(ClientboundPackets1_21_2.CONTAINER_SET_SLOT);
-        registerAdvancements1_20_3(ClientboundPackets1_21_2.UPDATE_ADVANCEMENTS);
-        registerSetEquipment(ClientboundPackets1_21_2.SET_EQUIPMENT);
-        registerMerchantOffers1_20_5(ClientboundPackets1_21_2.MERCHANT_OFFERS);
-        registerContainerClick1_21_5(ServerboundPackets1_21_4.CONTAINER_CLICK);
-        registerSetCreativeModeSlot1_21_5(ServerboundPackets1_21_4.SET_CREATIVE_MODE_SLOT);
-
-        final RecipeDisplayRewriter<ClientboundPacket1_21_2> recipeRewriter = new RecipeDisplayRewriter1_21_5<>(protocol);
-        recipeRewriter.registerUpdateRecipes(ClientboundPackets1_21_2.UPDATE_RECIPES);
-        recipeRewriter.registerRecipeBookAdd(ClientboundPackets1_21_2.RECIPE_BOOK_ADD);
-        recipeRewriter.registerPlaceGhostRecipe(ClientboundPackets1_21_2.PLACE_GHOST_RECIPE);
-    }
-
-    @Override
-    protected void handleItemDataComponentsToClient(final UserConnection connection, final Item item, final StructuredDataContainer container) {
-        super.handleItemDataComponentsToClient(connection, item, container);
-        // downgradeData(item, container); // static import VV method
-    }
-
-    @Override
-    protected void handleItemDataComponentsToServer(final UserConnection connection, final Item item, final StructuredDataContainer container) {
-        super.handleItemDataComponentsToServer(connection, item, container);
-        // upgradeData(item, container); // static import VV method
-    }
-
-    @Override
-    protected void restoreBackupData(final Item item, final StructuredDataContainer container, final CompoundTag customData) {
-        super.restoreBackupData(item, container, customData);
-        // restore any data if needed here
-    }
-
-    @Override
-    protected void backupInconvertibleData(final UserConnection connection, final Item item, final StructuredDataContainer dataContainer, final CompoundTag backupTag) {
-        super.backupInconvertibleData(connection, item, dataContainer, backupTag);
-        // back up any data if needed here, called before the method below
-    }
-}

common/src/main/java/com/viaversion/viabackwards/protocol/template/BlockItemPacketRewriter99_1.java

@@ -0,0 +1,64 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards.protocol.template;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.viabackwards.api.rewriters.BackwardsStructuredItemRewriter;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
+import com.viaversion.viaversion.api.minecraft.item.Item;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundPacket1_21_9;
+
+// To replace if needed:
+//   ChunkType1_21_5
+//   RecipeDisplayRewriter
+final class BlockItemPacketRewriter99_1 extends BackwardsStructuredItemRewriter<ClientboundPacket26_1, ServerboundPacket1_21_9, Protocol99_1To98_1> {
+
+    public BlockItemPacketRewriter99_1(final Protocol99_1To98_1 protocol) {
+        super(protocol);
+    }
+
+    @Override
+    public void registerPackets() {
+    }
+
+    @Override
+    protected void handleItemDataComponentsToClient(final UserConnection connection, final Item item, final StructuredDataContainer container) {
+        super.handleItemDataComponentsToClient(connection, item, container);
+        // downgradeData(item, container); // static import VV method
+    }
+
+    @Override
+    protected void handleItemDataComponentsToServer(final UserConnection connection, final Item item, final StructuredDataContainer container) {
+        super.handleItemDataComponentsToServer(connection, item, container);
+        // upgradeData(item, container); // static import VV method
+    }
+
+    @Override
+    protected void restoreBackupData(final Item item, final StructuredDataContainer container, final CompoundTag customData) {
+        super.restoreBackupData(item, container, customData);
+        // restore any data if needed here
+    }
+
+    @Override
+    protected void backupInconvertibleData(final UserConnection connection, final Item item, final StructuredDataContainer dataContainer, final CompoundTag backupTag) {
+        super.backupInconvertibleData(connection, item, dataContainer, backupTag);
+        // back up any data if needed here, called before the method below
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/template/ComponentRewriter99_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -21,11 +21,11 @@ import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
 import com.viaversion.viaversion.api.connection.UserConnection;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
 
-final class ComponentRewriter1_99 extends NBTComponentRewriter<ClientboundPacket1_21_2> {
+final class ComponentRewriter99_1 extends NBTComponentRewriter<ClientboundPacket26_1> {
 
-    public ComponentRewriter1_99(final BackwardsProtocol<ClientboundPacket1_21_2, ?, ?, ?> protocol) {
+    public ComponentRewriter99_1(final BackwardsProtocol<ClientboundPacket26_1, ?, ?, ?> protocol) {
         super(protocol);
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/template/EntityPacketRewriter1_99.java

@@ -1,93 +0,0 @@
-/*
- * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 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.viabackwards.protocol.template;
-
-import com.viaversion.viabackwards.api.rewriters.BackwardsRegistryRewriter;
-import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
-import com.viaversion.viaversion.api.minecraft.entities.EntityType;
-import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_4;
-import com.viaversion.viaversion.api.minecraft.entitydata.types.EntityDataTypes1_21_2;
-import com.viaversion.viaversion.api.type.types.version.VersionedTypes;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
-import com.viaversion.viaversion.rewriter.RegistryDataRewriter;
-
-// Replace if needed
-//  VersionedTypes
-final class EntityPacketRewriter1_99 extends EntityRewriter<ClientboundPacket1_21_2, Protocol1_99To1_98> {
-
-    public EntityPacketRewriter1_99(final Protocol1_99To1_98 protocol) {
-        super(protocol, VersionedTypes.V1_21_4.entityDataTypes.optionalComponentType, VersionedTypes.V1_21_4.entityDataTypes.booleanType);
-    }
-
-    @Override
-    public void registerPackets() {
-        registerTrackerWithData1_21_9(ClientboundPackets1_21_2.ADD_ENTITY, EntityTypes1_21_4.FALLING_BLOCK);
-        registerSetEntityData(ClientboundPackets1_21_2.SET_ENTITY_DATA);
-        registerRemoveEntities(ClientboundPackets1_21_2.REMOVE_ENTITIES);
-        registerPlayerAbilities(ClientboundPackets1_21_2.PLAYER_ABILITIES);
-        registerGameEvent(ClientboundPackets1_21_2.GAME_EVENT);
-        registerLogin1_20_5(ClientboundPackets1_21_2.LOGIN);
-        registerRespawn1_20_5(ClientboundPackets1_21_2.RESPAWN);
-
-        final RegistryDataRewriter registryDataRewriter = new BackwardsRegistryRewriter(protocol);
-        protocol.registerClientbound(ClientboundConfigurationPackets1_21.REGISTRY_DATA, registryDataRewriter::handle);
-    }
-
-    @Override
-    protected void registerRewrites() {
-        final EntityDataTypes1_21_2 mappedEntityDataTypes = VersionedTypes.V1_21_4.entityDataTypes;
-        /*filter().handler((event, data) -> {
-            int id = data.dataType().typeId();
-            if (id >= ac) {
-                return;
-            } else if (id >= ab) {
-                id--;
-            }
-
-            data.setDataType(mappedEntityDataTypess.byId(id));
-        });*/
-
-        registerEntityDataTypeHandler1_20_3(
-            mappedEntityDataTypes.itemType,
-            mappedEntityDataTypes.blockStateType,
-            mappedEntityDataTypes.optionalBlockStateType,
-            mappedEntityDataTypes.particleType,
-            mappedEntityDataTypes.particlesType,
-            mappedEntityDataTypes.componentType,
-            mappedEntityDataTypes.optionalComponentType
-        );
-
-        // Remove entity data of new entity type
-        // filter().type(EntityTypes1_21_4.SNIFFER).removeIndex(newIndex);
-    }
-
-    @Override
-    public void onMappingDataLoaded() {
-        // If types changed, uncomment to map them
-        // mapTypes();
-
-        // mapEntityTypeWithData(EntityTypes1_21_4.SNIFFER, EntityTypes1_21_4.RAVAGER).tagName();
-    }
-
-    @Override
-    public EntityType typeFromId(final int type) {
-        return EntityTypes1_21_4.getTypeFromId(type);
-    }
-}

common/src/main/java/com/viaversion/viabackwards/protocol/template/EntityPacketRewriter99_1.java

@@ -0,0 +1,78 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards.protocol.template;
+
+import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
+import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_11;
+import com.viaversion.viaversion.api.minecraft.entitydata.types.EntityDataTypes1_21_11;
+import com.viaversion.viaversion.api.type.types.version.VersionedTypes;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
+
+// Replace if needed
+//  VersionedTypes
+final class EntityPacketRewriter99_1 extends EntityRewriter<ClientboundPacket26_1, Protocol99_1To98_1> {
+
+    private static final EntityDataTypes1_21_11 MAPPED_DATA_TYPES = VersionedTypes.V1_21_11.entityDataTypes;
+
+    public EntityPacketRewriter99_1(final Protocol99_1To98_1 protocol) {
+        super(protocol, MAPPED_DATA_TYPES.optionalComponentType, MAPPED_DATA_TYPES.booleanType);
+    }
+
+    @Override
+    public void registerPackets() {
+    }
+
+    @Override
+    protected void registerRewrites() {
+        /*filter().handler((event, data) -> {
+            int id = data.dataType().typeId();
+            if (id >= ac) {
+                return;
+            } else if (id >= ab) {
+                id--;
+            }
+
+            data.setDataType(MAPPED_DATA_TYPES.byId(id));
+        });*/
+
+        registerEntityDataTypeHandler1_20_3(
+            MAPPED_DATA_TYPES.itemType,
+            MAPPED_DATA_TYPES.blockStateType,
+            MAPPED_DATA_TYPES.optionalBlockStateType,
+            MAPPED_DATA_TYPES.particleType,
+            MAPPED_DATA_TYPES.particlesType,
+            MAPPED_DATA_TYPES.componentType,
+            MAPPED_DATA_TYPES.optionalComponentType
+        );
+
+        // Remove entity data of new entity type
+        // filter().type(EntityTypes1_21_11.SNIFFER).removeIndex(newIndex);
+    }
+
+    @Override
+    public void onMappingDataLoaded() {
+        super.onMappingDataLoaded();
+        // mapEntityTypeWithData(EntityTypes1_21_11.SNIFFER, EntityTypes1_21_11.RAVAGER).tagName();
+    }
+
+    @Override
+    public EntityType typeFromId(final int type) {
+        return EntityTypes1_21_11.getTypeFromId(type);
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/template/Protocol1_99To1_98.java

@@ -1,160 +0,0 @@
-/*
- * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 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.viabackwards.protocol.template;
-
-import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
-import com.viaversion.viaversion.api.connection.UserConnection;
-import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_4;
-import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
-import com.viaversion.viaversion.api.protocol.packet.provider.SimplePacketTypesProvider;
-import com.viaversion.viaversion.api.type.types.version.VersionedTypes;
-import com.viaversion.viaversion.api.type.types.version.VersionedTypesHolder;
-import com.viaversion.viaversion.data.entity.EntityTrackerBase;
-import com.viaversion.viaversion.data.item.ItemHasherBase;
-import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundConfigurationPackets1_20_5;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.Protocol1_20_5To1_21;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
-import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPacket1_21_4;
-import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPackets1_21_4;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
-import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
-import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
-import com.viaversion.viaversion.rewriter.TagRewriter;
-import com.viaversion.viaversion.util.SerializerVersion;
-
-import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
-
-// Placeholders to replace (in the entire package):
-//   Protocol1_98To1_99, EntityPacketRewriter1_99, BlockItemPacketRewriter1_99
-//   Protocol1_20_5To1_21 (the ViaVersion protocol class the mappings depend on)
-//   ClientboundPacket1_21_2
-//   ServerboundPacket1_21_4
-//   ClientboundConfigurationPackets1_21
-//   ServerboundConfigurationPackets1_20_5
-//   EntityTypes1_21_4 (UNMAPPED type)
-//   VersionedTypes.V1_21_5
-//   1.99, 1.98
-final class Protocol1_99To1_98 extends BackwardsProtocol<ClientboundPacket1_21_2, ClientboundPacket1_21_2, ServerboundPacket1_21_4, ServerboundPacket1_21_4> {
-
-    // ViaBackwards uses its own mappings and also needs a translatablerewriter for translation mappings
-    public static final BackwardsMappingData MAPPINGS = new BackwardsMappingData("1.99", "1.98", Protocol1_20_5To1_21.class); // Change the VV (!) protocol class
-    private final EntityPacketRewriter1_99 entityRewriter = new EntityPacketRewriter1_99(this);
-    private final BlockItemPacketRewriter1_99 itemRewriter = new BlockItemPacketRewriter1_99(this);
-    private final ParticleRewriter<ClientboundPacket1_21_2> particleRewriter = new ParticleRewriter<>(this);
-    private final NBTComponentRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_99(this);
-    private final TagRewriter<ClientboundPacket1_21_2> tagRewriter = new TagRewriter<>(this);
-
-    public Protocol1_99To1_98() {
-        super(ClientboundPacket1_21_2.class, ClientboundPacket1_21_2.class, ServerboundPacket1_21_4.class, ServerboundPacket1_21_4.class);
-    }
-
-    @Override
-    protected void registerPackets() {
-        super.registerPackets();
-
-        tagRewriter.registerGeneric(ClientboundPackets1_21_2.UPDATE_TAGS);
-        tagRewriter.registerGeneric(ClientboundConfigurationPackets1_21.UPDATE_TAGS);
-
-        final SoundRewriter<ClientboundPacket1_21_2> soundRewriter = new SoundRewriter<>(this);
-        soundRewriter.registerSound1_19_3(ClientboundPackets1_21_2.SOUND);
-        soundRewriter.registerSound1_19_3(ClientboundPackets1_21_2.SOUND_ENTITY);
-        soundRewriter.registerStopSound(ClientboundPackets1_21_2.STOP_SOUND);
-
-        new StatisticsRewriter<>(this).register(ClientboundPackets1_21_2.AWARD_STATS);
-        //new AttributeRewriter<>(this).register1_21(ClientboundPackets1_21_2.UPDATE_ATTRIBUTES);
-
-        // Registers translatable mappings (missing a whole bunch still)
-        //translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_21_2.OPEN_SCREEN); // Handled by registerOpenScreen in item rewriters
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_ACTION_BAR_TEXT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_TITLE_TEXT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_SUBTITLE_TEXT);
-        translatableRewriter.registerBossEvent(ClientboundPackets1_21_2.BOSS_EVENT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.DISCONNECT);
-        translatableRewriter.registerTabList(ClientboundPackets1_21_2.TAB_LIST);
-        translatableRewriter.registerPlayerCombatKill1_20(ClientboundPackets1_21_2.PLAYER_COMBAT_KILL);
-        translatableRewriter.registerPlayerInfoUpdate1_21_4(ClientboundPackets1_21_2.PLAYER_INFO_UPDATE);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SYSTEM_CHAT);
-        translatableRewriter.registerDisguisedChat(ClientboundPackets1_21_2.DISGUISED_CHAT);
-        translatableRewriter.registerPlayerChat1_21_5(ClientboundPackets1_21_2.PLAYER_CHAT);
-        translatableRewriter.registerPing();
-
-        // If needed for any particle, item, or block changes. Extend ParticleRewriter for particle serializer changes
-        particleRewriter.registerLevelParticles1_21_4(ClientboundPackets1_21_2.LEVEL_PARTICLES);
-        particleRewriter.registerExplode1_21_9(ClientboundPackets1_21_2.EXPLODE);
-    }
-
-    @Override
-    public void init(final UserConnection connection) {
-        addEntityTracker(connection, new EntityTrackerBase(connection, EntityTypes1_21_4.PLAYER));
-        addItemHasher(connection, new ItemHasherBase(this, connection));
-    }
-
-    @Override
-    public BackwardsMappingData getMappingData() {
-        return MAPPINGS;
-    }
-
-    @Override
-    public EntityPacketRewriter1_99 getEntityRewriter() {
-        return entityRewriter;
-    }
-
-    @Override
-    public BlockItemPacketRewriter1_99 getItemRewriter() {
-        return itemRewriter;
-    }
-
-    @Override
-    public ParticleRewriter<ClientboundPacket1_21_2> getParticleRewriter() {
-        return particleRewriter;
-    }
-
-    @Override
-    public NBTComponentRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
-        return translatableRewriter;
-    }
-
-    @Override
-    public TagRewriter<ClientboundPacket1_21_2> getTagRewriter() {
-        return tagRewriter;
-    }
-
-    @Override
-    public VersionedTypesHolder types() {
-        return VersionedTypes.V1_21_5;
-    }
-
-    @Override
-    public VersionedTypesHolder mappedTypes() {
-        return VersionedTypes.V1_21_5;
-    }
-
-    @Override
-    protected PacketTypesProvider<ClientboundPacket1_21_2, ClientboundPacket1_21_2, ServerboundPacket1_21_4, ServerboundPacket1_21_4> createPacketTypesProvider() {
-        return new SimplePacketTypesProvider<>(
-            packetTypeMap(unmappedClientboundPacketType, ClientboundPackets1_21_2.class, ClientboundConfigurationPackets1_21.class),
-            packetTypeMap(mappedClientboundPacketType, ClientboundPackets1_21_2.class, ClientboundConfigurationPackets1_21.class),
-            packetTypeMap(mappedServerboundPacketType, ServerboundPackets1_21_4.class, ServerboundConfigurationPackets1_20_5.class),
-            packetTypeMap(unmappedServerboundPacketType, ServerboundPackets1_21_4.class, ServerboundConfigurationPackets1_20_5.class)
-        );
-    }
-}

common/src/main/java/com/viaversion/viabackwards/protocol/template/Protocol99_1To98_1.java

@@ -0,0 +1,150 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 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.viabackwards.protocol.template;
+
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.BackwardsMappingData;
+import com.viaversion.viabackwards.api.rewriters.BackwardsRegistryRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_11;
+import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
+import com.viaversion.viaversion.api.protocol.packet.provider.SimplePacketTypesProvider;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkType26_1;
+import com.viaversion.viaversion.api.type.types.version.VersionedTypes;
+import com.viaversion.viaversion.api.type.types.version.VersionedTypesHolder;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.data.item.ItemHasherBase;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.Protocol1_21_11To26_1;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
+import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPackets26_1;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.RecipeDisplayRewriter1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_5to1_21_6.packet.ServerboundPackets1_21_6;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ClientboundConfigurationPackets1_21_9;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundConfigurationPackets1_21_9;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundPacket1_21_9;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
+import com.viaversion.viaversion.rewriter.ParticleRewriter;
+import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.rewriter.block.BlockRewriter1_21_5;
+
+import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
+
+// Placeholders to replace (in the entire package):
+//   Protocol1_21_11To26_1 (the ViaVersion protocol class the mappings depend on)
+//   ClientboundPacket26_1
+//   ServerboundPacket1_21_9
+//   ClientboundConfigurationPackets1_21
+//   ServerboundConfigurationPackets1_20_5
+//   EntityTypes1_21_11 (UNMAPPED type)
+//   VersionedTypes.V26_1
+//   99.1, 98.1
+final class Protocol99_1To98_1 extends BackwardsProtocol<ClientboundPacket26_1, ClientboundPacket26_1, ServerboundPacket1_21_9, ServerboundPacket1_21_9> {
+
+    // ViaBackwards uses its own mappings and also needs a translatablerewriter for translation mappings
+    public static final BackwardsMappingData MAPPINGS = new BackwardsMappingData("99.1", "98.1", Protocol1_21_11To26_1.class); // Change the VV (!) protocol class
+    private final EntityPacketRewriter99_1 entityRewriter = new EntityPacketRewriter99_1(this);
+    private final BlockItemPacketRewriter99_1 itemRewriter = new BlockItemPacketRewriter99_1(this);
+    private final ParticleRewriter<ClientboundPacket26_1> particleRewriter = new ParticleRewriter<>(this);
+    private final NBTComponentRewriter<ClientboundPacket26_1> translatableRewriter = new ComponentRewriter99_1(this);
+    private final TagRewriter<ClientboundPacket26_1> tagRewriter = new TagRewriter<>(this);
+    private final BackwardsRegistryRewriter registryDataRewriter = new BackwardsRegistryRewriter(this);
+    private final BlockRewriter<ClientboundPacket26_1> blockRewriter = new BlockRewriter1_21_5<>(this, ChunkType26_1::new);
+    private final RecipeDisplayRewriter<ClientboundPacket26_1> recipeRewriter = new RecipeDisplayRewriter1_21_5<>(this);
+
+    public Protocol99_1To98_1() {
+        super(ClientboundPacket26_1.class, ClientboundPacket26_1.class, ServerboundPacket1_21_9.class, ServerboundPacket1_21_9.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        super.registerPackets();
+    }
+
+    @Override
+    public void init(final UserConnection connection) {
+        addEntityTracker(connection, new EntityTrackerBase(connection, EntityTypes1_21_11.PLAYER));
+        addItemHasher(connection, new ItemHasherBase(this, connection));
+    }
+
+    @Override
+    public BackwardsMappingData getMappingData() {
+        return MAPPINGS;
+    }
+
+    @Override
+    public EntityPacketRewriter99_1 getEntityRewriter() {
+        return entityRewriter;
+    }
+
+    @Override
+    public BlockItemPacketRewriter99_1 getItemRewriter() {
+        return itemRewriter;
+    }
+
+    @Override
+    public BlockRewriter<ClientboundPacket26_1> getBlockRewriter() {
+        return blockRewriter;
+    }
+
+    @Override
+    public RecipeDisplayRewriter<ClientboundPacket26_1> getRecipeRewriter() {
+        return recipeRewriter;
+    }
+
+    @Override
+    public BackwardsRegistryRewriter getRegistryDataRewriter() {
+        return registryDataRewriter;
+    }
+
+    @Override
+    public ParticleRewriter<ClientboundPacket26_1> getParticleRewriter() {
+        return particleRewriter;
+    }
+
+    @Override
+    public NBTComponentRewriter<ClientboundPacket26_1> getComponentRewriter() {
+        return translatableRewriter;
+    }
+
+    @Override
+    public TagRewriter<ClientboundPacket26_1> getTagRewriter() {
+        return tagRewriter;
+    }
+
+    @Override
+    public VersionedTypesHolder types() {
+        return VersionedTypes.V26_1;
+    }
+
+    @Override
+    public VersionedTypesHolder mappedTypes() {
+        return VersionedTypes.V26_1;
+    }
+
+    @Override
+    protected PacketTypesProvider<ClientboundPacket26_1, ClientboundPacket26_1, ServerboundPacket1_21_9, ServerboundPacket1_21_9> createPacketTypesProvider() {
+        return new SimplePacketTypesProvider<>(
+            packetTypeMap(unmappedClientboundPacketType, ClientboundPackets26_1.class, ClientboundConfigurationPackets1_21_9.class),
+            packetTypeMap(mappedClientboundPacketType, ClientboundPackets26_1.class, ClientboundConfigurationPackets1_21_9.class),
+            packetTypeMap(mappedServerboundPacketType, ServerboundPackets1_21_6.class, ServerboundConfigurationPackets1_21_9.class),
+            packetTypeMap(unmappedServerboundPacketType, ServerboundPackets1_21_6.class, ServerboundConfigurationPackets1_21_9.class)
+        );
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_10to1_9_3/Protocol1_10To1_9_3.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -57,7 +57,7 @@ public class Protocol1_10To1_9_3 extends BackwardsProtocol<ClientboundPackets1_9
         itemRewriter.register();
 
         SoundRewriter<ClientboundPackets1_9_3> soundRewriter = new SoundRewriter<>(this);
-        registerClientbound(ClientboundPackets1_9_3.CUSTOM_SOUND, new PacketHandlers() {
+        replaceClientbound(ClientboundPackets1_9_3.CUSTOM_SOUND, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.STRING); // 0 - Sound name
@@ -70,7 +70,7 @@ public class Protocol1_10To1_9_3 extends BackwardsProtocol<ClientboundPackets1_9
                 handler(soundRewriter.getNamedSoundHandler());
             }
         });
-        registerClientbound(ClientboundPackets1_9_3.SOUND, new PacketHandlers() {
+        replaceClientbound(ClientboundPackets1_9_3.SOUND, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.VAR_INT); // 0 - Sound name
@@ -116,9 +116,4 @@ public class Protocol1_10To1_9_3 extends BackwardsProtocol<ClientboundPackets1_9
     public BlockItemPacketRewriter1_10 getItemRewriter() {
         return itemRewriter;
     }
-
-    @Override
-    public boolean hasMappingDataToLoad() {
-        return true;
-    }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_10to1_9_3/rewriter/BlockItemPacketRewriter1_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_10to1_9_3/rewriter/EntityPacketRewriter1_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11_1to1_11/Protocol1_11_1To1_11.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11_1to1_11/rewriter/EntityPacketRewriter1_11_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11_1to1_11/rewriter/ItemPacketRewriter1_11_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/Protocol1_11To1_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -20,7 +20,6 @@ package com.viaversion.viabackwards.protocol.v1_11to1_10;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
 import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.rewriter.BlockItemPacketRewriter1_11;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.rewriter.EntityPacketRewriter1_11;
@@ -51,10 +50,6 @@ public class Protocol1_11To1_10 extends BackwardsProtocol<ClientboundPackets1_9_
         itemRewriter.register();
         PlayerPacketRewriter1_11.register(this);
 
-        SoundRewriter<ClientboundPackets1_9_3> soundRewriter = new SoundRewriter<>(this);
-        soundRewriter.registerNamedSound(ClientboundPackets1_9_3.CUSTOM_SOUND);
-        soundRewriter.registerSound(ClientboundPackets1_9_3.SOUND);
-
         componentRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
         componentRewriter.registerComponentPacket(ClientboundPackets1_9_3.CHAT);
     }
@@ -84,12 +79,8 @@ public class Protocol1_11To1_10 extends BackwardsProtocol<ClientboundPackets1_9_
         return itemRewriter;
     }
 
+    @Override
     public JsonNBTComponentRewriter<ClientboundPackets1_9_3> getComponentRewriter() {
         return componentRewriter;
     }
-
-    @Override
-    public boolean hasMappingDataToLoad() {
-        return true;
-    }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_11to1_10/data/SplashPotionMappings1_10.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/rewriter/BlockItemPacketRewriter1_11.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/rewriter/EntityPacketRewriter1_11.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/rewriter/PlayerPacketRewriter1_11.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/storage/ChestedHorseStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_11to1_10/storage/WindowTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12_1to1_12/Protocol1_12_1To1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12_2to1_12_1/Protocol1_12_2To1_12_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12_2to1_12_1/storage/KeepAliveTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/Protocol1_12To1_11_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -50,8 +50,8 @@ public class Protocol1_12To1_11_1 extends BackwardsProtocol<ClientboundPackets1_
 
     @Override
     protected void registerPackets() {
-        itemRewriter.register();
-        entityRewriter.register();
+        super.registerPackets();
+
         componentRewriter.registerComponentPacket(ClientboundPackets1_12.CHAT);
         new SoundPacketRewriter1_12(this).register();
 
@@ -92,12 +92,8 @@ public class Protocol1_12To1_11_1 extends BackwardsProtocol<ClientboundPackets1_
         return itemRewriter;
     }
 
+    @Override
     public ComponentRewriter1_12 getComponentRewriter() {
         return componentRewriter;
     }
-
-    @Override
-    public boolean hasMappingDataToLoad() {
-        return true;
-    }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/data/BlockColors1_11_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/data/MapColorMappings1_11_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/rewriter/BlockItemPacketRewriter1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -114,7 +114,7 @@ public class BlockItemPacketRewriter1_12 extends LegacyBlockItemRewriter<Clientb
                         PacketWrapper confirm = wrapper.create(ServerboundPackets1_12.CONTAINER_ACK);
                         confirm.write(Types.BYTE, wrapper.get(Types.BYTE, 0));
                         confirm.write(Types.SHORT, wrapper.get(Types.SHORT, 1));
-                        confirm.write(Types.BOOLEAN, false); // Success - not used
+                        confirm.write(Types.BOOLEAN, true); // Success - not used
 
                         wrapper.sendToServer(Protocol1_12To1_11_1.class);
                         wrapper.cancel();

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/rewriter/ComponentRewriter1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/rewriter/EntityPacketRewriter1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/rewriter/SoundPacketRewriter1_12.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -32,20 +32,7 @@ public class SoundPacketRewriter1_12 extends LegacySoundRewriter<Protocol1_12To1
 
     @Override
     protected void registerPackets() {
-        protocol.registerClientbound(ClientboundPackets1_12.CUSTOM_SOUND, new PacketHandlers() {
-            @Override
-            public void register() {
-                map(Types.STRING); // 0 - Sound name
-                map(Types.VAR_INT); // 1 - Sound Category
-                map(Types.INT); // 2 - x
-                map(Types.INT); // 3 - y
-                map(Types.INT); // 4 - z
-                map(Types.FLOAT); // 5 - Volume
-                map(Types.FLOAT); // 6 - Pitch
-            }
-        });
-
-        protocol.registerClientbound(ClientboundPackets1_12.SOUND, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_12.SOUND, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.VAR_INT); // 0 - Sound name

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/storage/ParrotStorage.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_12to1_11_1/storage/ShoulderTracker.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_1to1_13/Protocol1_13_1To1_13.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -41,7 +41,6 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPacke
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPackets1_13;
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.Protocol1_13To1_13_1;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.util.ComponentUtil;
@@ -65,17 +64,8 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
 
         WorldPacketRewriter1_13_1.register(this);
 
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT);
-        translatableRewriter.registerPlayerCombat(ClientboundPackets1_13.PLAYER_COMBAT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_13.DISCONNECT);
-        translatableRewriter.registerTabList(ClientboundPackets1_13.TAB_LIST);
-        translatableRewriter.registerTitle(ClientboundPackets1_13.SET_TITLES);
-        translatableRewriter.registerPing();
-
         new CommandRewriter1_13_1(this).registerDeclareCommands(ClientboundPackets1_13.COMMANDS);
 
-        particleRewriter.registerLevelParticles1_13(ClientboundPackets1_13.LEVEL_PARTICLES, Types.FLOAT);
-
         registerServerbound(ServerboundPackets1_13.COMMAND_SUGGESTION, new PacketHandlers() {
             @Override
             public void register() {
@@ -142,7 +132,7 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
             }
         });
 
-        registerClientbound(ClientboundPackets1_13.BOSS_EVENT, new PacketHandlers() {
+        replaceClientbound(ClientboundPackets1_13.BOSS_EVENT, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.UUID);
@@ -164,41 +154,7 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
             }
         });
 
-        registerClientbound(ClientboundPackets1_13.UPDATE_ADVANCEMENTS, wrapper -> {
-            wrapper.passthrough(Types.BOOLEAN); // Reset/clear
-            int size = wrapper.passthrough(Types.VAR_INT); // Mapping size
-
-            for (int i = 0; i < size; i++) {
-                wrapper.passthrough(Types.STRING); // Identifier
-                wrapper.passthrough(Types.OPTIONAL_STRING); // Parent
-
-                // Display data
-                if (wrapper.passthrough(Types.BOOLEAN)) {
-                    wrapper.passthrough(Types.COMPONENT); // Title
-                    wrapper.passthrough(Types.COMPONENT); // Description
-                    Item icon = itemRewriter.handleItemToClient(wrapper.user(), wrapper.read(Types.ITEM1_13));
-                    wrapper.write(Types.ITEM1_13, icon);
-                    wrapper.passthrough(Types.VAR_INT); // Frame type
-                    int flags = wrapper.passthrough(Types.INT); // Flags
-                    if ((flags & 1) != 0)
-                        wrapper.passthrough(Types.STRING); // Background texture
-                    wrapper.passthrough(Types.FLOAT); // X
-                    wrapper.passthrough(Types.FLOAT); // Y
-                }
-
-                wrapper.passthrough(Types.STRING_ARRAY); // Criteria
-
-                int arrayLength = wrapper.passthrough(Types.VAR_INT);
-                for (int array = 0; array < arrayLength; array++) {
-                    wrapper.passthrough(Types.STRING_ARRAY); // String array
-                }
-            }
-        });
-
         tagRewriter.register(ClientboundPackets1_13.UPDATE_TAGS, RegistryType.ITEM);
-        new StatisticsRewriter<>(this).
-
-            register(ClientboundPackets1_13.AWARD_STATS);
     }
 
     @Override
@@ -227,6 +183,11 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
         return particleRewriter;
     }
 
+    @Override
+    public JsonNBTComponentRewriter<ClientboundPackets1_13> getComponentRewriter() {
+        return translatableRewriter;
+    }
+
     public JsonNBTComponentRewriter<ClientboundPackets1_13> translatableRewriter() {
         return translatableRewriter;
     }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_1to1_13/rewriter/CommandRewriter1_13_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_1to1_13/rewriter/EntityPacketRewriter1_13_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -122,7 +122,6 @@ public class EntityPacketRewriter1_13_1 extends LegacyEntityRewriter<Clientbound
         registerTracker(ClientboundPackets1_13.ADD_PAINTING, EntityTypes1_13.EntityType.PAINTING);
         registerJoinGame(ClientboundPackets1_13.LOGIN, EntityTypes1_13.EntityType.PLAYER);
         registerRespawn(ClientboundPackets1_13.RESPAWN);
-        registerRemoveEntities(ClientboundPackets1_13.REMOVE_ENTITIES);
         registerSetEntityData(ClientboundPackets1_13.SET_ENTITY_DATA, Types1_13.ENTITY_DATA_LIST);
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_1to1_13/rewriter/ItemPacketRewriter1_13_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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 +18,6 @@
 package com.viaversion.viabackwards.protocol.v1_13_1to1_13.rewriter;
 
 import com.viaversion.viabackwards.protocol.v1_13_1to1_13.Protocol1_13_1To1_13;
-import com.viaversion.viaversion.api.minecraft.item.Item;
 import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPackets1_13;
@@ -32,10 +31,6 @@ public class ItemPacketRewriter1_13_1 extends ItemRewriter<ClientboundPackets1_1
 
     @Override
     public void registerPackets() {
-        registerCooldown(ClientboundPackets1_13.COOLDOWN);
-        registerSetContent(ClientboundPackets1_13.CONTAINER_SET_CONTENT);
-        registerSetSlot(ClientboundPackets1_13.CONTAINER_SET_SLOT);
-
         protocol.registerClientbound(ClientboundPackets1_13.CUSTOM_PAYLOAD, wrapper -> {
             String channel = wrapper.passthrough(Types.STRING);
             if (channel.equals("minecraft:trader_list")) {
@@ -57,9 +52,5 @@ public class ItemPacketRewriter1_13_1 extends ItemRewriter<ClientboundPackets1_1
                 }
             }
         });
-
-        registerSetEquippedItem(ClientboundPackets1_13.SET_EQUIPPED_ITEM);
-        registerContainerClick(ServerboundPackets1_13.CONTAINER_CLICK);
-        registerSetCreativeModeSlot(ServerboundPackets1_13.SET_CREATIVE_MODE_SLOT);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_1to1_13/rewriter/WorldPacketRewriter1_13_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_2to1_13_1/Protocol1_13_2To1_13_1.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_2to1_13_1/rewriter/EntityPacketRewriter1_13_2.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_2to1_13_1/rewriter/ItemPacketRewriter1_13_2.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13_2to1_13_1/rewriter/WorldPacketRewriter1_13_2.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13to1_12_2/Protocol1_13To1_12_2.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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
@@ -37,6 +37,7 @@ import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.ClientWorld;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_13;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.gson.JsonObject;
@@ -82,13 +83,12 @@ public class Protocol1_13To1_12_2 extends BackwardsProtocol<ClientboundPackets1_
 
     @Override
     protected void registerPackets() {
-        executeAsyncAfterLoaded(Protocol1_12_2To1_13.class, () -> {
-            MAPPINGS.load();
-            PaintingNames1_13.init();
-            Via.getManager().getProviders().register(BackwardsBlockEntityProvider.class, new BackwardsBlockEntityProvider());
-        });
+        super.registerPackets();
 
-        translatableRewriter.registerPing();
+        PaintingNames1_13.init();
+        Via.getManager().getProviders().register(BackwardsBlockEntityProvider.class, new BackwardsBlockEntityProvider());
+
+        translatableRewriter.registerLoginDisconnect();
         translatableRewriter.registerBossEvent(ClientboundPackets1_13.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT);
         translatableRewriter.registerLegacyOpenWindow(ClientboundPackets1_13.OPEN_SCREEN);
@@ -97,17 +97,15 @@ public class Protocol1_13To1_12_2 extends BackwardsProtocol<ClientboundPackets1_
         translatableRewriter.registerTitle(ClientboundPackets1_13.SET_TITLES);
         translatableRewriter.registerTabList(ClientboundPackets1_13.TAB_LIST);
 
-        blockItemPackets.register();
-        entityRewriter.register();
         new PlayerPacketRewriter1_13(this).register();
         new SoundPacketRewriter1_13(this).register();
 
         cancelClientbound(ClientboundPackets1_13.TAG_QUERY);
         cancelClientbound(ClientboundPackets1_13.PLACE_GHOST_RECIPE);
         cancelClientbound(ClientboundPackets1_13.RECIPE);
-        cancelClientbound(ClientboundPackets1_13.UPDATE_ADVANCEMENTS);
         cancelClientbound(ClientboundPackets1_13.UPDATE_RECIPES);
         cancelClientbound(ClientboundPackets1_13.UPDATE_TAGS);
+        replaceClientbound(ClientboundPackets1_13.UPDATE_ADVANCEMENTS, PacketWrapper::cancel);
 
         cancelServerbound(ServerboundPackets1_12_1.PLACE_RECIPE);
         cancelServerbound(ServerboundPackets1_12_1.RECIPE_BOOK_UPDATE);

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13to1_12_2/block_entity_handlers/BannerHandler.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13to1_12_2/block_entity_handlers/BedHandler.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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/viabackwards/protocol/v1_13to1_12_2/block_entity_handlers/FlowerPotHandler.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 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