[ci skip] Add more identifying patch comments

patches/api/0345-Add-GameEvent-tags.patch

@@ -5,18 +5,10 @@ Subject: [PATCH] Add GameEvent tags
 
 
 diff --git a/src/main/java/org/bukkit/Tag.java b/src/main/java/org/bukkit/Tag.java
-index 31bdecf8cbea40129a568c1761f27fa1ae0f535a..35d52539f264202d50d70e6aaab4678571dc8ad2 100644
+index 31bdecf8cbea40129a568c1761f27fa1ae0f535a..741c34b74811666c3b38e9d6fbb74b0a7bc64699 100644
 --- a/src/main/java/org/bukkit/Tag.java
 +++ b/src/main/java/org/bukkit/Tag.java
-@@ -968,6 +968,7 @@ public interface Tag<T extends Keyed> extends Keyed {
+@@ -985,6 +985,25 @@ public interface Tag<T extends Keyed> extends Keyed {
-      * Vanilla tag representing entities which are dismounted when underwater.
-      */
-     Tag<EntityType> ENTITY_TYPES_DISMOUNTS_UNDERWATER = Bukkit.getTag(REGISTRY_ENTITY_TYPES, NamespacedKey.minecraft("dismounts_underwater"), EntityType.class);
-+
-     /**
-      * Vanilla tag representing entities which are not controlled by their mount.
-      */
-@@ -985,6 +986,25 @@ public interface Tag<T extends Keyed> extends Keyed {
       */
      Tag<EntityType> ENTITY_TYPES_CAN_TURN_IN_BOATS = Bukkit.getTag(REGISTRY_ENTITY_TYPES, NamespacedKey.minecraft("can_turn_in_boats"), EntityType.class);
  

patches/api/0446-add-missing-Experimental-annotations.patch

@@ -579,10 +579,10 @@ index 72ea6ddd00eed73459d700d657929f83ba1ca7ee..bb1b6bc9349af6dec369420035e86092
      ITEM_CHORUS_FRUIT_TELEPORT("item.chorus_fruit.teleport"),
      ITEM_CROP_PLANT("item.crop.plant"),
 diff --git a/src/main/java/org/bukkit/Tag.java b/src/main/java/org/bukkit/Tag.java
-index 35d52539f264202d50d70e6aaab4678571dc8ad2..8b584130c039ba915f28dc87f13c2538f26134f2 100644
+index 741c34b74811666c3b38e9d6fbb74b0a7bc64699..1137a21afa0283fa3d391415e98171e3c160aa1f 100644
 --- a/src/main/java/org/bukkit/Tag.java
 +++ b/src/main/java/org/bukkit/Tag.java
-@@ -976,14 +976,17 @@ public interface Tag<T extends Keyed> extends Keyed {
+@@ -975,14 +975,17 @@ public interface Tag<T extends Keyed> extends Keyed {
      /**
       * Vanilla tag representing entities which deflect arrows.
       */

patches/server/0300-Optimize-Captured-BlockEntity-Lookup.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sat, 6 Apr 2019 10:16:48 -0400
-Subject: [PATCH] Optimize Captured TileEntity Lookup
+Subject: [PATCH] Optimize Captured BlockEntity Lookup
 
 upstream was doing a containsKey/get pattern, and always doing it at that.
 that scenario is only even valid if were in the middle of a block place.
@@ -10,7 +10,7 @@ Optimize to check if the captured list even has values in it, and also to
 just do a get call since the value can never be null.
 
 diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
-index b10c93cbcf264a3e13d48f30a2c09ae5568a510e..3fdec0ff323ac94517f1ab9a13764a8959148127 100644
+index b10c93cbcf264a3e13d48f30a2c09ae5568a510e..c8b2399c55c8ea4fcb953202c0ea74d95b47c359 100644
 --- a/src/main/java/net/minecraft/world/level/Level.java
 +++ b/src/main/java/net/minecraft/world/level/Level.java
 @@ -998,9 +998,12 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
@@ -19,12 +19,12 @@ index b10c93cbcf264a3e13d48f30a2c09ae5568a510e..3fdec0ff323ac94517f1ab9a13764a89
      public BlockEntity getBlockEntity(BlockPos blockposition, boolean validate) {
 -        if (this.capturedTileEntities.containsKey(blockposition)) {
 -            return this.capturedTileEntities.get(blockposition);
-+        // Paper start - Optimize capturedTileEntities lookup
++        // Paper start - Perf: Optimize capturedTileEntities lookup
 +        net.minecraft.world.level.block.entity.BlockEntity blockEntity;
 +        if (!this.capturedTileEntities.isEmpty() && (blockEntity = this.capturedTileEntities.get(blockposition)) != null) {
 +            return blockEntity;
          }
-+        // Paper end
++        // Paper end - Perf: Optimize capturedTileEntities lookup
          // CraftBukkit end
          return this.isOutsideBuildHeight(blockposition) ? null : (!this.isClientSide && !io.papermc.paper.util.TickThread.isTickThread() ? null : this.getChunkAt(blockposition).getBlockEntity(blockposition, LevelChunk.EntityCreationType.IMMEDIATE)); // Paper - rewrite chunk system
      }

patches/server/0302-Mob-Spawner-API-Enhancements.patch

@@ -9,7 +9,7 @@ public net.minecraft.world.level.BaseSpawner delay(Lnet/minecraft/world/level/Le
 public net.minecraft.world.level.BaseSpawner setNextSpawnData(Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/SpawnData;)V
 
 diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
-index 231674f1483ad71630ac71ba92efc50f94a5659b..0578ac12d92f9af0b0113587db9351b4a41bedd5 100644
+index 231674f1483ad71630ac71ba92efc50f94a5659b..3b48d50bd3727647dc2d73cccc3fbd8a4f649715 100644
 --- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
 @@ -235,7 +235,13 @@ public abstract class BaseSpawner {
@@ -64,7 +64,7 @@ index 231674f1483ad71630ac71ba92efc50f94a5659b..0578ac12d92f9af0b0113587db9351b4
 +
 +        nbt.putShort("MinSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.minSpawnDelay));
 +        nbt.putShort("MaxSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.maxSpawnDelay));
-+        // Paper nbt
++        // Paper end
          nbt.putShort("SpawnCount", (short) this.spawnCount);
          nbt.putShort("MaxNearbyEntities", (short) this.maxNearbyEntities);
          nbt.putShort("RequiredPlayerRange", (short) this.requiredPlayerRange);

patches/server/0306-Configurable-Keep-Spawn-Loaded-range-per-world.patch

@@ -6,50 +6,49 @@ Subject: [PATCH] Configurable Keep Spawn Loaded range per world
 This lets you disable it for some worlds and lower it for others.
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index f317b9fdb2bfbae9babd64d4801f190042fc1867..6407af497c719d0f6a4446192bed622af34d6bc6 100644
+index f317b9fdb2bfbae9babd64d4801f190042fc1867..1d069e33f64463e96199fa336336ffc44e3ed10e 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -768,30 +768,33 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      // CraftBukkit start
      public void prepareLevels(ChunkProgressListener worldloadlistener, ServerLevel worldserver) {
-+        ServerChunkCache chunkproviderserver = worldserver.getChunkSource(); // Paper
++        ServerChunkCache chunkproviderserver = worldserver.getChunkSource(); // Paper - Configurable Keep Spawn Loaded range per world
          // WorldServer worldserver = this.overworld();
          this.forceTicks = true;
          // CraftBukkit end
-+        if (worldserver.getWorld().getKeepSpawnInMemory()) { // Paper
++        if (worldserver.getWorld().getKeepSpawnInMemory()) { // Paper - Configurable Keep Spawn Loaded range per world
  
          MinecraftServer.LOGGER.info("Preparing start region for dimension {}", worldserver.dimension().location());
          BlockPos blockposition = worldserver.getSharedSpawnPos();
  
          worldloadlistener.updateSpawnPos(new ChunkPos(blockposition));
 -        ServerChunkCache chunkproviderserver = worldserver.getChunkSource();
-+        //ChunkProviderServer chunkproviderserver = worldserver.getChunkProvider(); // Paper - move up
++        //ChunkProviderServer chunkproviderserver = worldserver.getChunkProvider(); // Paper - Configurable Keep Spawn Loaded range per world; move up
  
          this.nextTickTimeNanos = Util.getNanos();
 -        // CraftBukkit start
 -        if (worldserver.getWorld().getKeepSpawnInMemory()) {
 -            chunkproviderserver.addRegionTicket(TicketType.START, new ChunkPos(blockposition), 11, Unit.INSTANCE);
--
++        // Paper start - Configurable Keep Spawn Loaded range per world
--            while (chunkproviderserver.getTickingGenerated() != 441) {
--                // this.nextTickTimeNanos = SystemUtils.getNanos() + MinecraftServer.PREPARE_LEVELS_DEFAULT_DELAY_NANOS;
--                this.executeModerately();
--            }
--        }
-+        // Paper start - configurable spawn reason
 +        int radiusBlocks = worldserver.paperConfig().spawn.keepSpawnLoadedRange * 16;
 +        int radiusChunks = radiusBlocks / 16 + ((radiusBlocks & 15) != 0 ? 1 : 0);
 +        int totalChunks = ((radiusChunks) * 2 + 1);
 +        totalChunks *= totalChunks;
 +        worldloadlistener.setChunkRadius(radiusBlocks / 16);
-+
+ 
+-            while (chunkproviderserver.getTickingGenerated() != 441) {
+-                // this.nextTickTimeNanos = SystemUtils.getNanos() + MinecraftServer.PREPARE_LEVELS_DEFAULT_DELAY_NANOS;
+-                this.executeModerately();
+-            }
+-        }
 +        worldserver.addTicketsForSpawn(radiusBlocks, blockposition);
-+        // Paper end
++        // Paper end - Configurable Keep Spawn Loaded range per world
  
          // this.nextTickTimeNanos = SystemUtils.getNanos() + MinecraftServer.PREPARE_LEVELS_DEFAULT_DELAY_NANOS;
          this.executeModerately();
          // Iterator iterator = this.levels.values().iterator();
-+        }
++        } // Paper - Configurable Keep Spawn Loaded range per world
  
          if (true) {
              ServerLevel worldserver1 = worldserver;
@@ -58,19 +57,19 @@ index f317b9fdb2bfbae9babd64d4801f190042fc1867..6407af497c719d0f6a4446192bed622a
          this.executeModerately();
          // CraftBukkit end
 -        worldloadlistener.stop();
-+        if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper
++        if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper - Configurable Keep Spawn Loaded range per world
          // CraftBukkit start
          // this.updateMobSpawningFlags();
          worldserver.setSpawnSettings(this.isSpawningMonsters(), this.isSpawningAnimals());
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 43424a9d8e985f4965b4d101f7fee398e3d1f52c..978f0f20c3aceb1c6f967c2bec3d010e344aad0c 100644
+index 43424a9d8e985f4965b4d101f7fee398e3d1f52c..e8d54a421bb743844c031a4e43965e5873f79995 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -1897,12 +1897,84 @@ public class ServerLevel extends Level implements WorldGenLevel {
          return ((MapIndex) this.getServer().overworld().getDataStorage().computeIfAbsent(MapIndex.factory(), "idcounts")).getFreeAuxValueForMap();
      }
  
-+    // Paper start - helper function for configurable spawn radius
++    // Paper start - Configurable Keep Spawn Loaded range per world
 +    public void addTicketsForSpawn(int radiusInBlocks, BlockPos spawn) {
 +        // In order to respect vanilla behavior, which is ensuring everything but the spawn border can tick, we add tickets
 +        // with level 31 for the non-border spawn chunks
@@ -135,11 +134,11 @@ index 43424a9d8e985f4965b4d101f7fee398e3d1f52c..978f0f20c3aceb1c6f967c2bec3d010e
 +            chunkproviderserver.removeRegionTicket(TicketType.START, new ChunkPos(spawn.offset(-radiusInBlocks, 0, z)), 1, Unit.INSTANCE); // level 32
 +        }
 +    }
-+    // Paper end
++    // Paper end - Configurable Keep Spawn Loaded range per world
 +
      public void setDefaultSpawnPos(BlockPos pos, float angle) {
 -        ChunkPos chunkcoordintpair = new ChunkPos(new BlockPos(this.levelData.getXSpawn(), 0, this.levelData.getZSpawn()));
-+        // Paper - configurable spawn radius
++        // Paper start - Configurable Keep Spawn Loaded range per world
 +        BlockPos prevSpawn = this.getSharedSpawnPos();
 +        //ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(new BlockPosition(this.worldData.a(), 0, this.worldData.c()));
  
@@ -155,7 +154,7 @@ index 43424a9d8e985f4965b4d101f7fee398e3d1f52c..978f0f20c3aceb1c6f967c2bec3d010e
      }
  
 diff --git a/src/main/java/net/minecraft/server/level/progress/ChunkProgressListener.java b/src/main/java/net/minecraft/server/level/progress/ChunkProgressListener.java
-index 1b565b2809c2d367e21971c5154f35c9763995e6..b0f899835ded29aff108d1674bf4a1a6c89693db 100644
+index 1b565b2809c2d367e21971c5154f35c9763995e6..4792eaa30464f4c4ca7f2d6cf20f734beed81f23 100644
 --- a/src/main/java/net/minecraft/server/level/progress/ChunkProgressListener.java
 +++ b/src/main/java/net/minecraft/server/level/progress/ChunkProgressListener.java
 @@ -12,4 +12,6 @@ public interface ChunkProgressListener {
@@ -163,10 +162,10 @@ index 1b565b2809c2d367e21971c5154f35c9763995e6..b0f899835ded29aff108d1674bf4a1a6
  
      void stop();
 +
-+    void setChunkRadius(int radius); // Paper - allow changing chunk radius
++    void setChunkRadius(int radius); // Paper - Configurable Keep Spawn Loaded range per world
  }
 diff --git a/src/main/java/net/minecraft/server/level/progress/LoggerChunkProgressListener.java b/src/main/java/net/minecraft/server/level/progress/LoggerChunkProgressListener.java
-index 4d2348df25410a0b5364eec066880326d6667dad..b9176ec634ed806dda6ce84b8978803111462428 100644
+index 4d2348df25410a0b5364eec066880326d6667dad..3754cda7e7731935893359d84f3ae06157a347c6 100644
 --- a/src/main/java/net/minecraft/server/level/progress/LoggerChunkProgressListener.java
 +++ b/src/main/java/net/minecraft/server/level/progress/LoggerChunkProgressListener.java
 @@ -11,12 +11,19 @@ import org.slf4j.Logger;
@@ -180,13 +179,13 @@ index 4d2348df25410a0b5364eec066880326d6667dad..b9176ec634ed806dda6ce84b89788031
      private long nextTickTime = Long.MAX_VALUE;
  
      public LoggerChunkProgressListener(int radius) {
-+        // Paper start - Allow changing radius later for configurable spawn patch
++        // Paper start - Configurable Keep Spawn Loaded range per world
 +        this.setChunkRadius(radius); // Move to method
 +    }
 +
 +    @Override
 +    public void setChunkRadius(int radius) {
-+        // Paper end
++        // Paper end - Configurable Keep Spawn Loaded range per world
          int i = radius * 2 + 1;
          this.maxCount = i * i;
      }

patches/server/0307-Allow-Saving-of-Oversized-Chunks.patch

@@ -33,7 +33,7 @@ this fix, as the data will remain in the oversized file. Once the server returns
 to a jar with this fix, the data will be restored.
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
-index 2a7f17726a161ddbcd0397fb4332de6980199c38..72dacdc271325c814fb43cd6daaf3a209801ffda 100644
+index 2a7f17726a161ddbcd0397fb4332de6980199c38..69ed808ca5fbfb9191d0818bb0f1c839d11d9d11 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 @@ -18,8 +18,11 @@ import java.nio.file.LinkOption;
@@ -71,7 +71,7 @@ index 2a7f17726a161ddbcd0397fb4332de6980199c38..72dacdc271325c814fb43cd6daaf3a20
  
 +    // Paper start
 +    private final byte[] oversized = new byte[1024];
-+    private int oversizedCount = 0;
++    private int oversizedCount;
 +
 +    private synchronized void initOversizedState() throws IOException {
 +        Path metaFile = getOversizedMetaFile();
@@ -141,10 +141,10 @@ index 2a7f17726a161ddbcd0397fb4332de6980199c38..72dacdc271325c814fb43cd6daaf3a20
  
          private final ChunkPos pos;
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-index 465ad0bae446a20e941e8f2dbf2d85f2627482b9..2ab7060f5c9a54bc7beb819f381a202c977f0a80 100644
+index 465ad0bae446a20e941e8f2dbf2d85f2627482b9..affd43308ac565066cefa799238e46b75a28b270 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-@@ -121,6 +121,71 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -121,6 +121,43 @@ public class RegionFileStorage implements AutoCloseable {
          }
      }
  
@@ -153,22 +153,6 @@ index 465ad0bae446a20e941e8f2dbf2d85f2627482b9..2ab7060f5c9a54bc7beb819f381a202c
 +        org.apache.logging.log4j.LogManager.getLogger().fatal(msg + " (" + file.toString().replaceAll(".+[\\\\/]", "") + " - " + x + "," + z + ") Go clean it up to remove this message. /minecraft:tp " + (x<<4)+" 128 "+(z<<4) + " - DO NOT REPORT THIS TO PAPER - You may ask for help on Discord, but do not file an issue. These error messages can not be removed.");
 +    }
 +
-+    private static final int DEFAULT_SIZE_THRESHOLD = 1024 * 8;
-+    private static final int OVERZEALOUS_TOTAL_THRESHOLD = 1024 * 64;
-+    private static final int OVERZEALOUS_THRESHOLD = 1024;
-+    private static int SIZE_THRESHOLD = DEFAULT_SIZE_THRESHOLD;
-+    private static void resetFilterThresholds() {
-+        SIZE_THRESHOLD = Math.max(1024 * 4, Integer.getInteger("Paper.FilterThreshhold", DEFAULT_SIZE_THRESHOLD));
-+    }
-+    static {
-+        resetFilterThresholds();
-+    }
-+
-+    static boolean isOverzealous() {
-+        return SIZE_THRESHOLD == OVERZEALOUS_THRESHOLD;
-+    }
-+
-+
 +    private static CompoundTag readOversizedChunk(RegionFile regionfile, ChunkPos chunkCoordinate) throws IOException {
 +        synchronized (regionfile) {
 +            try (DataInputStream datainputstream = regionfile.getChunkDataInputStream(chunkCoordinate)) {
@@ -199,24 +183,12 @@ index 465ad0bae446a20e941e8f2dbf2d85f2627482b9..2ab7060f5c9a54bc7beb819f381a202c
 +            level.put(key, levelList);
 +        }
 +    }
-+
-+    private static int getNBTSize(net.minecraft.nbt.Tag nbtBase) {
-+        DataOutputStream test = new DataOutputStream(new org.apache.commons.io.output.NullOutputStream());
-+        try {
-+            nbtBase.write(test);
-+            return test.size();
-+        } catch (IOException e) {
-+            e.printStackTrace();
-+            return 0;
-+        }
-+    }
-+
 +    // Paper end
 +
      @Nullable
      public CompoundTag read(ChunkPos pos) throws IOException {
          // CraftBukkit start - SPIGOT-5680: There's no good reason to preemptively create files on read, save that for writing
-@@ -132,6 +197,12 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -132,6 +169,12 @@ public class RegionFileStorage implements AutoCloseable {
          try { // Paper
          DataInputStream datainputstream = regionfile.getChunkDataInputStream(pos);
  
@@ -229,7 +201,7 @@ index 465ad0bae446a20e941e8f2dbf2d85f2627482b9..2ab7060f5c9a54bc7beb819f381a202c
          CompoundTag nbttagcompound;
          label43:
          {
-@@ -218,6 +289,7 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -218,6 +261,7 @@ public class RegionFileStorage implements AutoCloseable {
  
              try {
                  NbtIo.write(nbt, (DataOutput) dataoutputstream);

patches/server/0309-Fix-World-isChunkGenerated-calls.patch

@@ -8,7 +8,7 @@ This patch also adds a chunk status cache on region files (note that
 its only purpose is to cache the status on DISK)
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 45ee0cd242271883412284625230822d9c8a5452..1faa4e0626022f08faa47327b61b6250814e0b82 100644
+index 45ee0cd242271883412284625230822d9c8a5452..56f52d4b9c1af6a04d464640ed06b841a47b4cd9 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -679,9 +679,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@@ -87,13 +87,13 @@ index 45ee0cd242271883412284625230822d9c8a5452..1faa4e0626022f08faa47327b61b6250
 +        ChunkHolder chunkHolder = io.papermc.paper.chunk.system.ChunkSystem.getUnloadingChunkHolder(this.level, chunkX, chunkZ);
 +        return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
 +    }
-+    // Paper end
++    // Paper end - Cache chunk status on disk
 +
      boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) {
          // Spigot start
          return this.anyPlayerCloseEnoughForSpawning(pos, false);
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
-index 72dacdc271325c814fb43cd6daaf3a209801ffda..647ce340c81606ab86d33e1f9dec1fb0afc262d8 100644
+index 69ed808ca5fbfb9191d0818bb0f1c839d11d9d11..0ae3d1ea6f00efcdea5da5bf1a0f984f4473f5a2 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 @@ -50,6 +50,30 @@ public class RegionFile implements AutoCloseable {
@@ -122,7 +122,7 @@ index 72dacdc271325c814fb43cd6daaf3a209801ffda..647ce340c81606ab86d33e1f9dec1fb0
 +        final int location = getChunkLocation(x, z);
 +        return this.statuses[location];
 +    }
-+    // Paper end
++    // Paper end - Cache chunk status
 +
      public RegionFile(Path file, Path directory, boolean dsync) throws IOException {
          this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
@@ -131,7 +131,7 @@ index 72dacdc271325c814fb43cd6daaf3a209801ffda..647ce340c81606ab86d33e1f9dec1fb0
          return this.getOffset(pos) != 0;
      }
  
-+    private static int getChunkLocation(int x, int z) { return (x & 31) + (z & 31) * 32; } // Paper - OBFHELPER - sort of, mirror of logic below
++    private static int getChunkLocation(int x, int z) { return (x & 31) + (z & 31) * 32; } // Paper - Cache chunk status; OBFHELPER - sort of, mirror of logic below
      private static int getOffsetIndex(ChunkPos pos) {
          return pos.getRegionLocalX() + pos.getRegionLocalZ() * 32;
      }
@@ -139,24 +139,24 @@ index 72dacdc271325c814fb43cd6daaf3a209801ffda..647ce340c81606ab86d33e1f9dec1fb0
          synchronized (this) {
          try {
          // Paper end
-+        this.closed = true; // Paper
++        this.closed = true; // Paper - Cache chunk status
          try {
              this.padToFullSector();
          } finally {
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-index c46320794e9673d7ff24aae5e9086cc90988791c..deed4d50e0e4d810647a0745ef328c20dfe51093 100644
+index affd43308ac565066cefa799238e46b75a28b270..8563383d45f89ee01dd5df13af5bd0cf1b3d7b01 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-@@ -289,6 +289,7 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -261,6 +261,7 @@ public class RegionFileStorage implements AutoCloseable {
  
              try {
                  NbtIo.write(nbt, (DataOutput) dataoutputstream);
-+                regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
++                regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - Cache chunk status
                  regionfile.setOversized(pos.x, pos.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone
              } catch (Throwable throwable) {
                  if (dataoutputstream != null) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index af027128cc06f877f745296b2320e1bca29fd02b..bcd782f9b13c71f1a5bce4836463d0b57e5ada72 100644
+index af027128cc06f877f745296b2320e1bca29fd02b..d4518b9c1338226a9a814d2512aaddbb76a42da8 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -310,9 +310,23 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@@ -180,8 +180,8 @@ index af027128cc06f877f745296b2320e1bca29fd02b..bcd782f9b13c71f1a5bce4836463d0b5
 -            return this.isChunkLoaded(x, z) || this.world.getChunkSource().chunkMap.read(new ChunkPos(x, z)).get().isPresent();
 -        } catch (InterruptedException | ExecutionException ex) {
 +            return world.getChunkSource().chunkMap.getChunkStatusOnDisk(new ChunkPos(x, z)) == ChunkStatus.FULL;
-+            // Paper end
 +        } catch (java.io.IOException ex) {
++            // Paper end - Fix this method
              throw new RuntimeException(ex);
          }
      }
@@ -240,7 +240,7 @@ index af027128cc06f877f745296b2320e1bca29fd02b..bcd782f9b13c71f1a5bce4836463d0b5
 +        world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
 +        world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
 +        return true;
-+        // Paper end
++        // Paper end - Optimize this method
      }
  
      @Override

patches/server/0310-Show-blockstate-location-if-we-failed-to-read-it.patch

@@ -5,14 +5,14 @@ Subject: [PATCH] Show blockstate location if we failed to read it
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
-index f046f507a095e0cb8f839b9b4b06add3a671486b..f7f211b4f08a7f21a183078affd6f875aa30dd50 100644
+index f046f507a095e0cb8f839b9b4b06add3a671486b..f1f6d85399db86ce7aee1fccde51d6259b427e7e 100644
 --- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
 +++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
 @@ -25,6 +25,7 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
  
          this.tileEntity = tileEntity;
  
-+        try { // Paper - show location on failure
++        try { // Paper - Show blockstate location if we failed to read it
          // Paper start
          this.snapshotDisabled = DISABLE_SNAPSHOT;
          if (DISABLE_SNAPSHOT) {
@@ -20,14 +20,14 @@ index f046f507a095e0cb8f839b9b4b06add3a671486b..f7f211b4f08a7f21a183078affd6f875
              this.load(this.snapshot);
          }
          // Paper end
-+        // Paper start - show location on failure
++        // Paper start - Show blockstate location if we failed to read it
 +        } catch (Throwable thr) {
 +            if (thr instanceof ThreadDeath) {
 +                throw (ThreadDeath)thr;
 +            }
 +            throw new RuntimeException("Failed to read BlockState at: world: " + this.getWorld().getName() + " location: (" + this.getX() + ", " + this.getY() + ", " + this.getZ() + ")", thr);
 +        }
-+        // Paper end
++        // Paper end - Show blockstate location if we failed to read it
      }
  
      protected CraftBlockEntityState(CraftBlockEntityState<T> state) {

patches/server/0311-Only-count-Natural-Spawned-mobs-towards-natural-spaw.patch

@@ -17,7 +17,7 @@ This should fully solve all of the issues around it so that only natural
 influences natural spawns.
 
 diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
-index 9ed7abddf30d298a5abb04974efd1b470d015b09..fe38079d69f3e9987ad5ab077ae09d05017a681a 100644
+index 9ed7abddf30d298a5abb04974efd1b470d015b09..a19c0e30ebcea8feff035a451ded567dfa86dfff 100644
 --- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 @@ -88,6 +88,13 @@ public final class NaturalSpawner {
@@ -30,7 +30,7 @@ index 9ed7abddf30d298a5abb04974efd1b470d015b09..fe38079d69f3e9987ad5ab077ae09d05
 +                        entity.spawnReason == org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.CHUNK_GEN)) {
 +                    continue;
 +                }
-+                // Paper end
++                // Paper end - Only count natural spawns
                  BlockPos blockposition = entity.blockPosition();
  
                  chunkSource.query(ChunkPos.asLong(blockposition), (chunk) -> {

patches/server/0313-offset-item-frame-ticking.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] offset item frame ticking
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
-index 469e4cc75eab1344a159ed5addd53f50cea7bd90..5f4c42c4ba44923cabb873bfad33abc2b1362e73 100644
+index 469e4cc75eab1344a159ed5addd53f50cea7bd90..f88918b7c15b72f4cb1dd313734f550432fd5858 100644
 --- a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
 @@ -38,7 +38,7 @@ public abstract class HangingEntity extends Entity {
@@ -13,7 +13,7 @@ index 469e4cc75eab1344a159ed5addd53f50cea7bd90..5f4c42c4ba44923cabb873bfad33abc2
          return entity instanceof HangingEntity;
      };
 -    private int checkInterval;
-+    private int checkInterval; { this.checkInterval = this.getId() % this.level().spigotConfig.hangingTickFrequency; } // Paper
++    private int checkInterval; { this.checkInterval = this.getId() % this.level().spigotConfig.hangingTickFrequency; } // Paper - Perf: offset item frame ticking
      public BlockPos pos;
      protected Direction direction;
  

patches/server/0314-Prevent-consuming-the-wrong-itemstack.patch

@@ -5,22 +5,22 @@ Subject: [PATCH] Prevent consuming the wrong itemstack
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index 8e89eb11e8477c921b30840644b6c3ba9d18c3ef..a3eac4dfe28bc55721d292e2f309b3467a3db140 100644
+index 8e89eb11e8477c921b30840644b6c3ba9d18c3ef..f893b0a8fac50f83ed847281f8283b32c6415777 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
 @@ -3709,9 +3709,14 @@ public abstract class LivingEntity extends Entity implements Attackable {
      }
  
      public void startUsingItem(InteractionHand hand) {
-+        // Paper start - forwarder to method with forceUpdate parameter
++        // Paper start - Prevent consuming the wrong itemstack
 +        this.startUsingItem(hand, false);
 +    }
 +    public void startUsingItem(InteractionHand hand, boolean forceUpdate) {
-+        // Paper end
++        // Paper end - Prevent consuming the wrong itemstack
          ItemStack itemstack = this.getItemInHand(hand);
  
 -        if (!itemstack.isEmpty() && !this.isUsingItem()) {
-+        if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper use override flag
++        if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper - Prevent consuming the wrong itemstack
              this.useItem = itemstack;
              this.useItemRemaining = itemstack.getUseDuration();
              if (!this.level().isClientSide) {
@@ -28,7 +28,7 @@ index 8e89eb11e8477c921b30840644b6c3ba9d18c3ef..a3eac4dfe28bc55721d292e2f309b346
                  this.releaseUsingItem();
              } else {
                  if (!this.useItem.isEmpty() && this.isUsingItem()) {
-+                    this.startUsingItem(this.getUsedItemHand(), true); // Paper
++                    this.startUsingItem(this.getUsedItemHand(), true); // Paper - Prevent consuming the wrong itemstack
                      this.triggerItemUseEffects(this.useItem, 16);
                      // CraftBukkit start - fire PlayerItemConsumeEvent
                      ItemStack itemstack;

patches/server/0315-Dont-send-unnecessary-sign-update.patch

@@ -5,14 +5,14 @@ Subject: [PATCH] Dont send unnecessary sign update
 
 
 diff --git a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
-index a822b190aeee1d644c3509bb75106fa4dfdd963f..1a54db9f8b2fb3071e79ec26c49242b528b8cd9e 100644
+index a822b190aeee1d644c3509bb75106fa4dfdd963f..9939cad5af2d7873f188f18978029663a8d785de 100644
 --- a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
 +++ b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
 @@ -184,6 +184,7 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
              this.level.sendBlockUpdated(this.getBlockPos(), this.getBlockState(), this.getBlockState(), 3);
          } else {
              SignBlockEntity.LOGGER.warn("Player {} just tried to change non-editable sign", player.getName().getString());
-+            if (player.distanceToSqr(this.getBlockPos().getX(), this.getBlockPos().getY(), this.getBlockPos().getZ()) < 32 * 32) // Paper
++            if (player.distanceToSqr(this.getBlockPos().getX(), this.getBlockPos().getY(), this.getBlockPos().getZ()) < 32 * 32) // Paper - Dont send far away sign update
              ((ServerPlayer) player).connection.send(this.getUpdatePacket()); // CraftBukkit
          }
      }

patches/server/0316-Add-option-to-disable-pillager-patrols.patch

@@ -5,14 +5,14 @@ Subject: [PATCH] Add option to disable pillager patrols
 
 
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
-index 65d9211b812995869e58900a2873583658122312..e5918fa3be107ac3a2fc8831fd78733a7506730a 100644
+index 65d9211b812995869e58900a2873583658122312..c7aea059de151cf8ae6e660785e176586bc23ff3 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
 @@ -25,6 +25,7 @@ public class PatrolSpawner implements CustomSpawner {
  
      @Override
      public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
-+        if (world.paperConfig().entities.behavior.pillagerPatrols.disable) return 0; // Paper
++        if (world.paperConfig().entities.behavior.pillagerPatrols.disable) return 0; // Paper - Add option to disable pillager patrols
          if (!spawnMonsters) {
              return 0;
          } else if (!world.getGameRules().getBoolean(GameRules.RULE_DO_PATROL_SPAWNING)) {

patches/server/0317-Flat-bedrock-generator-settings.patch

@@ -101,19 +101,19 @@ index 0000000000000000000000000000000000000000..02d98ec591b676acf64460d14d608860
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/Bootstrap.java b/src/main/java/net/minecraft/server/Bootstrap.java
-index c887d34171f89c731d76c4ca92c70be2b1edc1e6..5816998cde8504d58732e63eb2179a5d828f35bb 100644
+index c887d34171f89c731d76c4ca92c70be2b1edc1e6..438ae006a8e7da0e5124415b8350ebfd45ac6a10 100644
 --- a/src/main/java/net/minecraft/server/Bootstrap.java
 +++ b/src/main/java/net/minecraft/server/Bootstrap.java
 @@ -78,6 +78,7 @@ public class Bootstrap {
                      CauldronInteraction.bootStrap();
                      // Paper start
                      BuiltInRegistries.bootStrap(() -> {
-+                        io.papermc.paper.world.worldgen.OptionallyFlatBedrockConditionSource.bootstrap(); // Paper - optional flat bedrock
++                        io.papermc.paper.world.worldgen.OptionallyFlatBedrockConditionSource.bootstrap(); // Paper - Flat bedrock generator settings
                          io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enterBootstrappers(); // Paper - Entrypoint for bootstrapping
                      });
                      // Paper end
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
-index 902156477bdfc9917105f1229f760c26e5af302a..58609a0911c4e32b6f80f050cd3d23f70ad75b1b 100644
+index 902156477bdfc9917105f1229f760c26e5af302a..98c7f695093acbcf9382a5f07a7a89e373709763 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/NoiseBasedChunkGenerator.java
 @@ -207,7 +207,7 @@ public final class NoiseBasedChunkGenerator extends ChunkGenerator {
@@ -121,7 +121,7 @@ index 902156477bdfc9917105f1229f760c26e5af302a..58609a0911c4e32b6f80f050cd3d23f7
      public void buildSurface(WorldGenRegion region, StructureManager structures, RandomState noiseConfig, ChunkAccess chunk) {
          if (!SharedConstants.debugVoidTerrain(chunk.getPos())) {
 -            WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region);
-+            WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region, region.getMinecraftWorld()); // Paper
++            WorldGenerationContext worldgenerationcontext = new WorldGenerationContext(this, region, region.getMinecraftWorld()); // Paper - Flat bedrock generator settings
  
              this.buildSurface(chunk, worldgenerationcontext, noiseConfig, structures, region.getBiomeManager(), region.registryAccess().registryOrThrow(Registries.BIOME), Blender.of(region));
          }
@@ -130,26 +130,26 @@ index 902156477bdfc9917105f1229f760c26e5af302a..58609a0911c4e32b6f80f050cd3d23f7
          });
          Aquifer aquifer = noisechunk.aquifer();
 -        CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule());
-+        CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule(), chunkRegion.getMinecraftWorld()); // Paper
++        CarvingContext carvingcontext = new CarvingContext(this, chunkRegion.registryAccess(), chunk.getHeightAccessorForGeneration(), noisechunk, noiseConfig, ((NoiseGeneratorSettings) this.settings.value()).surfaceRule(), chunkRegion.getMinecraftWorld()); // Paper - Flat bedrock generator settings
          CarvingMask carvingmask = ((ProtoChunk) chunk).getOrCreateCarvingMask(carverStep);
  
          for (int j = -8; j <= 8; ++j) {
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
-index b99283c31193e2110f6e3f39c23dbfc2442bab2b..1c9d9ecdafb2bd04348045ba0404da052dcd6437 100644
+index b99283c31193e2110f6e3f39c23dbfc2442bab2b..a34e53249668d917c9d77c6837b91360a2349bbc 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/WorldGenerationContext.java
 @@ -6,10 +6,13 @@ import net.minecraft.world.level.chunk.ChunkGenerator;
  public class WorldGenerationContext {
      private final int minY;
      private final int height;
-+    private final @javax.annotation.Nullable net.minecraft.world.level.Level level; // Paper
++    private final @javax.annotation.Nullable net.minecraft.world.level.Level level; // Paper - Flat bedrock generator settings
  
 -    public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) {
-+    public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) { this(generator, world, null); } // Paper
++    public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world) { this(generator, world, null); } // Paper - Flat bedrock generator settings
-+    public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world, @org.jetbrains.annotations.Nullable net.minecraft.world.level.Level level) { // Paper
++    public WorldGenerationContext(ChunkGenerator generator, LevelHeightAccessor world, @org.jetbrains.annotations.Nullable net.minecraft.world.level.Level level) { // Paper - Flat bedrock generator settings
          this.minY = Math.max(world.getMinBuildHeight(), generator.getMinY());
          this.height = Math.min(world.getHeight(), generator.getGenDepth());
-+        this.level = level; // Paper
++        this.level = level; // Paper - Flat bedrock generator settings
      }
  
      public int getMinGenY() {
@@ -158,17 +158,17 @@ index b99283c31193e2110f6e3f39c23dbfc2442bab2b..1c9d9ecdafb2bd04348045ba0404da05
          return this.height;
      }
 +
-+    // Paper start
++    // Paper start - Flat bedrock generator settings
 +    public net.minecraft.world.level.Level getWorld() {
 +        if (this.level == null) {
 +            throw new NullPointerException("WorldGenerationContext was initialized without a Level, but WorldGenerationContext#getWorld was called");
 +        }
 +        return this.level;
 +    }
-+    // Paper end
++    // Paper end - Flat bedrock generator settings
  }
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java b/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
-index a745458ea3581ea91a68c863e3fd0a0292d73a61..f84ee8afe95f912a972e37fbae7a06ecdd3aba06 100644
+index a745458ea3581ea91a68c863e3fd0a0292d73a61..6fcb84e4d2cd310bd1e04f4cf7b9bc2bbbf4fdad 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/carver/CarvingContext.java
 @@ -21,8 +21,8 @@ public class CarvingContext extends WorldGenerationContext {
@@ -177,13 +177,13 @@ index a745458ea3581ea91a68c863e3fd0a0292d73a61..f84ee8afe95f912a972e37fbae7a06ec
  
 -    public CarvingContext(NoiseBasedChunkGenerator noiseChunkGenerator, RegistryAccess registryManager, LevelHeightAccessor heightLimitView, NoiseChunk chunkNoiseSampler, RandomState noiseConfig, SurfaceRules.RuleSource materialRule) {
 -        super(noiseChunkGenerator, heightLimitView);
-+    public CarvingContext(NoiseBasedChunkGenerator noiseChunkGenerator, RegistryAccess registryManager, LevelHeightAccessor heightLimitView, NoiseChunk chunkNoiseSampler, RandomState noiseConfig, SurfaceRules.RuleSource materialRule, @javax.annotation.Nullable net.minecraft.world.level.Level level) { // Paper
++    public CarvingContext(NoiseBasedChunkGenerator noiseChunkGenerator, RegistryAccess registryManager, LevelHeightAccessor heightLimitView, NoiseChunk chunkNoiseSampler, RandomState noiseConfig, SurfaceRules.RuleSource materialRule, @javax.annotation.Nullable net.minecraft.world.level.Level level) { // Paper - Flat bedrock generator settings
-+        super(noiseChunkGenerator, heightLimitView, level); // Paper
++        super(noiseChunkGenerator, heightLimitView, level); // Paper - Flat bedrock generator settings
          this.registryAccess = registryManager;
          this.noiseChunk = chunkNoiseSampler;
          this.randomState = noiseConfig;
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java b/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
-index 640c2683c842655bbaee8f293f1c2613ef44844e..53d818b0cc602f827d0b907e293515f6810c6792 100644
+index 640c2683c842655bbaee8f293f1c2613ef44844e..c7dfd844c7846281ceff0d443c0160054fd36c5c 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/placement/PlacementContext.java
 @@ -18,7 +18,7 @@ public class PlacementContext extends WorldGenerationContext {
@@ -191,7 +191,7 @@ index 640c2683c842655bbaee8f293f1c2613ef44844e..53d818b0cc602f827d0b907e293515f6
  
      public PlacementContext(WorldGenLevel world, ChunkGenerator generator, Optional<PlacedFeature> placedFeature) {
 -        super(generator, world);
-+        super(generator, world, world.getLevel()); // Paper
++        super(generator, world, world.getLevel()); // Paper - Flat bedrock generator settings
          this.level = world;
          this.generator = generator;
          this.topFeature = placedFeature;

patches/server/0318-Prevent-sync-chunk-loads-when-villagers-try-to-find-.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Prevent sync chunk loads when villagers try to find beds
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/SleepInBed.java b/src/main/java/net/minecraft/world/entity/ai/behavior/SleepInBed.java
-index 964fc8615d071d33c821f0c54ac1ebd4884df0cd..dcfc668503c50927b4a4dbb3988d531215d513f8 100644
+index 964fc8615d071d33c821f0c54ac1ebd4884df0cd..271e913a87a782dbf12686887f768d899bfb0fbf 100644
 --- a/src/main/java/net/minecraft/world/entity/ai/behavior/SleepInBed.java
 +++ b/src/main/java/net/minecraft/world/entity/ai/behavior/SleepInBed.java
 @@ -43,7 +43,8 @@ public class SleepInBed extends Behavior<LivingEntity> {
@@ -13,8 +13,8 @@ index 964fc8615d071d33c821f0c54ac1ebd4884df0cd..dcfc668503c50927b4a4dbb3988d5312
                  }
  
 -                BlockState blockState = world.getBlockState(globalPos.pos());
-+                BlockState blockState = world.getBlockStateIfLoaded(globalPos.pos()); // Paper
++                BlockState blockState = world.getBlockStateIfLoaded(globalPos.pos()); // Paper - Prevent sync chunk loads when villagers try to find beds
-+                if (blockState == null) { return false; } // Paper
++                if (blockState == null) { return false; } // Paper - Prevent sync chunk loads when villagers try to find beds
                  return globalPos.pos().closerToCenterThan(entity.position(), 2.0D) && blockState.is(BlockTags.BEDS) && !blockState.getValue(BedBlock.OCCUPIED);
              }
          }

patches/server/0319-MC-145656-Fix-Follow-Range-Initial-Target.patch

@@ -5,19 +5,19 @@ Subject: [PATCH] MC-145656 Fix Follow Range Initial Target
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/target/NearestAttackableTargetGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/target/NearestAttackableTargetGoal.java
-index 0dad5be671f990d0edf0a155e2534b3812438902..370e601ff5adccc3924055b69b42dd2f1970ae45 100644
+index 0dad5be671f990d0edf0a155e2534b3812438902..175ba1184fc997f562f0834b172e17dc1b5b3027 100644
 --- a/src/main/java/net/minecraft/world/entity/ai/goal/target/NearestAttackableTargetGoal.java
 +++ b/src/main/java/net/minecraft/world/entity/ai/goal/target/NearestAttackableTargetGoal.java
 @@ -38,6 +38,7 @@ public class NearestAttackableTargetGoal<T extends LivingEntity> extends TargetG
          this.randomInterval = reducedTickDelay(reciprocalChance);
          this.setFlags(EnumSet.of(Goal.Flag.TARGET));
          this.targetConditions = TargetingConditions.forCombat().range(this.getFollowDistance()).selector(targetPredicate);
-+        if (mob.level().paperConfig().entities.entitiesTargetWithFollowRange) this.targetConditions.useFollowRange(); // Paper
++        if (mob.level().paperConfig().entities.entitiesTargetWithFollowRange) this.targetConditions.useFollowRange(); // Paper - Fix MC-145656
      }
  
      @Override
 diff --git a/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java b/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
-index f29823f2e8a54bd4e81e2940b5c505b152f23e88..58422f00c7d64dbd1cf6d7211c9838875cbe7778 100644
+index f29823f2e8a54bd4e81e2940b5c505b152f23e88..fae0dbfb6ac09a0c152c0f74a72583f44316def7 100644
 --- a/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
 +++ b/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
 @@ -76,7 +76,7 @@ public class TargetingConditions {
@@ -25,7 +25,7 @@ index f29823f2e8a54bd4e81e2940b5c505b152f23e88..58422f00c7d64dbd1cf6d7211c983887
                  if (this.range > 0.0D) {
                      double d = this.testInvisible ? targetEntity.getVisibilityPercent(baseEntity) : 1.0D;
 -                    double e = Math.max(this.range * d, 2.0D);
-+                    double e = Math.max((this.useFollowRange ? this.getFollowRange(baseEntity) : this.range) * d, 2.0D); // Paper
++                    double e = Math.max((this.useFollowRange ? this.getFollowRange(baseEntity) : this.range) * d, 2.0D); // Paper - Fix MC-145656
                      double f = baseEntity.distanceToSqr(targetEntity.getX(), targetEntity.getY(), targetEntity.getZ());
                      if (f > e * e) {
                          return false;
@@ -34,7 +34,7 @@ index f29823f2e8a54bd4e81e2940b5c505b152f23e88..58422f00c7d64dbd1cf6d7211c983887
          }
      }
 +
-+    // Paper start
++    // Paper start - Fix MC-145656
 +    private boolean useFollowRange = false;
 +
 +    public TargetingConditions useFollowRange() {
@@ -46,5 +46,5 @@ index f29823f2e8a54bd4e81e2940b5c505b152f23e88..58422f00c7d64dbd1cf6d7211c983887
 +        net.minecraft.world.entity.ai.attributes.AttributeInstance attributeinstance = entityliving.getAttribute(net.minecraft.world.entity.ai.attributes.Attributes.FOLLOW_RANGE);
 +        return attributeinstance == null ? 16.0D : attributeinstance.getValue();
 +    }
-+    // Paper end
++    // Paper end - Fix MC-145656
  }

patches/server/0320-Duplicate-UUID-Resolve-Option.patch

@@ -56,14 +56,14 @@ index cbeaadaecf816070b3a37938c8e683180939afc4..95e5073a68e4dd38b70e8268daf21609
  
      public static void onChunkHolderCreate(final ServerLevel level, final ChunkHolder holder) {
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 1faa4e0626022f08faa47327b61b6250814e0b82..1b84c29605fb141ad286f6ae67a726d0a5088d32 100644
+index 56f52d4b9c1af6a04d464640ed06b841a47b4cd9..5b2e4a2c1ae99b4c1ee5e1daaca7ca79a87d3ad1 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -533,6 +533,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                      entity.discard();
                      needsRemoval = true;
                  }
-+                checkDupeUUID(world, entity); // Paper
++                checkDupeUUID(world, entity); // Paper - duplicate uuid resolving
                  return !needsRemoval;
              }), position); // Paper - rewrite chunk system
              // CraftBukkit end
@@ -71,7 +71,7 @@ index 1faa4e0626022f08faa47327b61b6250814e0b82..1b84c29605fb141ad286f6ae67a726d0
          throw new UnsupportedOperationException(); // Paper - rewrite chunk system
      }
  
-+    // Paper start
++    // Paper start - duplicate uuid resolving
 +    // rets true if to prevent the entity from being added
 +    public static boolean checkDupeUUID(ServerLevel level, Entity entity) {
 +        io.papermc.paper.configuration.WorldConfiguration.Entities.Spawning.DuplicateUUID.DuplicateUUIDMode mode = level.paperConfig().entities.spawning.duplicateUuid.mode;
@@ -113,7 +113,7 @@ index 1faa4e0626022f08faa47327b61b6250814e0b82..1b84c29605fb141ad286f6ae67a726d0
 +        }
 +        return false;
 +    }
-+    // Paper end
++    // Paper end - duplicate uuid resolving
      public CompletableFuture<Either<LevelChunk, ChunkHolder.ChunkLoadingFailure>> prepareTickingChunk(ChunkHolder holder) {
          throw new UnsupportedOperationException(); // Paper - rewrite chunk system
      }

patches/server/0323-Don-t-load-Chunks-from-Hoppers-and-other-things.patch

@@ -13,7 +13,7 @@ This of course is undesirable, so just return the loaded side as "primary"
 and treat it as a single chest if the other sides are unloaded
 
 diff --git a/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java b/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
-index 0a40d9b7e394fa10d6bfb0057440e1b0e55d1fc4..67da7795caebc882f14814217efccd139fc8f1e3 100644
+index 0a40d9b7e394fa10d6bfb0057440e1b0e55d1fc4..c889d2e08b9e7c8ee374f0148e72bb3bc9a1d826 100644
 --- a/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
 +++ b/src/main/java/net/minecraft/world/level/block/DoubleBlockCombiner.java
 @@ -25,7 +25,12 @@ public class DoubleBlockCombiner {
@@ -21,12 +21,12 @@ index 0a40d9b7e394fa10d6bfb0057440e1b0e55d1fc4..67da7795caebc882f14814217efccd13
              } else {
                  BlockPos blockPos = pos.relative(directionMapper.apply(state));
 -                BlockState blockState = world.getBlockState(blockPos);
-+                // Paper start
++                // Paper start - Don't load Chunks from Hoppers and other things
 +                BlockState blockState = world.getBlockStateIfLoaded(blockPos);
 +                if (blockState == null) {
 +                    return new DoubleBlockCombiner.NeighborCombineResult.Single<>(blockEntity);
 +                }
-+                // Paper end
++                // Paper end - Don't load Chunks from Hoppers and other things
                  if (blockState.is(state.getBlock())) {
                      DoubleBlockCombiner.BlockType blockType2 = typeMapper.apply(blockState);
                      if (blockType2 != DoubleBlockCombiner.BlockType.SINGLE && blockType != blockType2 && blockState.getValue(directionProperty) == state.getValue(directionProperty)) {

patches/server/0324-Optimise-EntityGetter-getPlayerByUUID.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Optimise EntityGetter#getPlayerByUUID
 Use the PlayerList map instead of iterating over all players
 
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 978f0f20c3aceb1c6f967c2bec3d010e344aad0c..b10097cd28f0dc360cda9b31e8184ed3a7003780 100644
+index 978f0f20c3aceb1c6f967c2bec3d010e344aad0c..854030f910c6e789cbc9f19aab76437f35bf7668 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -558,6 +558,15 @@ public class ServerLevel extends Level implements WorldGenLevel {
@@ -20,7 +20,7 @@ index 978f0f20c3aceb1c6f967c2bec3d010e344aad0c..b10097cd28f0dc360cda9b31e8184ed3
 +        final Player player = this.getServer().getPlayerList().getPlayer(uuid);
 +        return player != null && player.level() == this ? player : null;
 +    }
-+    // Paper end
++    // Paper end - optimise getPlayerByUUID
 +
      // Add env and gen to constructor, IWorldDataServer -> WorldDataServer
      public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {

patches/server/0326-Optimize-call-to-getFluid-for-explosions.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Optimize call to getFluid for explosions
 
 
 diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
-index e59348b849a71ff5eba5bd74a9e2819a560787db..120151da61398ea8afcd658a8407efcf738b9476 100644
+index e59348b849a71ff5eba5bd74a9e2819a560787db..b1fdfae75aeea78ca77987e40242bf498447bc08 100644
 --- a/src/main/java/net/minecraft/world/level/Explosion.java
 +++ b/src/main/java/net/minecraft/world/level/Explosion.java
 @@ -191,7 +191,7 @@ public class Explosion {
@@ -13,7 +13,7 @@ index e59348b849a71ff5eba5bd74a9e2819a560787db..120151da61398ea8afcd658a8407efcf
                              BlockPos blockposition = BlockPos.containing(d4, d5, d6);
                              BlockState iblockdata = this.level.getBlockState(blockposition);
 -                            FluidState fluid = this.level.getFluidState(blockposition);
-+                            FluidState fluid = iblockdata.getFluidState(); // Paper
++                            FluidState fluid = iblockdata.getFluidState(); // Paper - Perf: Optimize call to getFluid for explosions
  
                              if (!this.level.isInWorldBounds(blockposition)) {
                                  break;

patches/server/0327-Fix-last-firework-in-stack-not-having-effects-when-d.patch

@@ -2,7 +2,6 @@ From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Spottedleaf <Spottedleaf@users.noreply.github.com>
 Date: Fri, 17 Jan 2020 18:44:55 -0800
 Subject: [PATCH] Fix last firework in stack not having effects when dispensed
- - #2871
 
 CB used the resulting item in the dispenser rather than the item
 dispensed. The resulting item would have size == 0 and therefore

patches/server/0329-Guard-against-serializing-mismatching-chunk-coordina.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Guard against serializing mismatching chunk coordinate
 Should help if something dumb happens
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
-index 97cdd8cd7749185230471f34f7d1ce3abcd0fd11..982fb3ef071d6a66f16744717e8e146bef6d9e8c 100644
+index 97cdd8cd7749185230471f34f7d1ce3abcd0fd11..7862caa0f787634cec14af81fe1f39803a43f115 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 @@ -94,6 +94,18 @@ public class ChunkSerializer {
@@ -24,7 +24,7 @@ index 97cdd8cd7749185230471f34f7d1ce3abcd0fd11..982fb3ef071d6a66f16744717e8e146b
 +            return new ChunkPos(chunkData.getInt("xPos"), chunkData.getInt("zPos"));
 +        }
 +    }
-+    // Paper end
++    // Paper end - guard against serializing mismatching coordinates
      // Paper start
      public static final class InProgressChunkHolder {
  
@@ -33,25 +33,25 @@ index 97cdd8cd7749185230471f34f7d1ce3abcd0fd11..982fb3ef071d6a66f16744717e8e146b
      public static InProgressChunkHolder loadChunk(ServerLevel world, PoiManager poiStorage, ChunkPos chunkPos, CompoundTag nbt, boolean distinguish) {
          // Paper end
 -        ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos"));
-+        ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
++        ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
  
          if (!Objects.equals(chunkPos, chunkcoordintpair1)) {
              ChunkSerializer.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", new Object[]{chunkPos, chunkPos, chunkcoordintpair1});
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
-index b4e7c9b317d532d4915932f8f79dfebf2b63ff16..e4b3a70ff9f906a10f2ba3c07642193ca3269db7 100644
+index b4e7c9b317d532d4915932f8f79dfebf2b63ff16..af8a8e85742497e8dac7a59a3cd5938e09580e45 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
 @@ -178,6 +178,13 @@ public class ChunkStorage implements AutoCloseable {
  
      // Paper start - async chunk io
      public void write(ChunkPos chunkPos, CompoundTag nbt) throws IOException {
-+        // Paper start
++        // Paper start - guard against serializing mismatching coordinates
 +        if (nbt != null && !chunkPos.equals(ChunkSerializer.getChunkCoordinate(nbt))) {
 +            String world = (this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap)this).level.getWorld().getName() : null;
 +            throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkPos.toString()
 +                + " but compound says coordinate is " + ChunkSerializer.getChunkCoordinate(nbt).toString() + (world == null ? " for an unknown world" : (" for world: " + world)));
 +        }
-+        // Paper end
++        // Paper end - guard against serializing mismatching coordinates
          this.regionFileCache.write(chunkPos, nbt);
          // Paper end - Async chunk loading
          if (this.legacyStructureHandler != null) {

patches/server/0330-Alternative-item-despawn-rate.patch

@@ -1,19 +1,19 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: kickash32 <kickash32@gmail.com>
 Date: Mon, 3 Jun 2019 02:02:39 -0400
-Subject: [PATCH] Implement alternative item-despawn-rate
+Subject: [PATCH] Alternative item-despawn-rate
 
 Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
 
 diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
-index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034eff964c6 100644
+index 16c30342ac9ebf5cffa0bf23ab9700b6704a1ec0..ffbeea768cbb09b6f828ef1a9394c9fe50e99914 100644
 --- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
 @@ -56,6 +56,7 @@ public class ItemEntity extends Entity implements TraceableEntity {
      public final float bobOffs;
      private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
      public boolean canMobPickup = true; // Paper
-+    private int despawnRate = -1; // Paper
++    private int despawnRate = -1; // Paper - Alternative item-despawn-rate
  
      public ItemEntity(EntityType<? extends ItemEntity> type, Level world) {
          super(type, world);
@@ -22,7 +22,7 @@ index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034
              }
  
 -            if (!this.level().isClientSide && this.age >= this.level().spigotConfig.itemDespawnRate) { // Spigot
-+            if (!this.level().isClientSide && this.age >= this.despawnRate) { // Spigot // Paper
++            if (!this.level().isClientSide && this.age >= this.despawnRate) { // Spigot // Paper - Alternative item-despawn-rate
                  // CraftBukkit start - fire ItemDespawnEvent
                  if (CraftEventFactory.callItemDespawnEvent(this).isCancelled()) {
                      this.age = 0;
@@ -31,7 +31,7 @@ index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034
          // CraftBukkit end
  
 -        if (!this.level().isClientSide && this.age >= this.level().spigotConfig.itemDespawnRate) { // Spigot
-+        if (!this.level().isClientSide && this.age >= this.despawnRate) { // Spigot // Paper
++        if (!this.level().isClientSide && this.age >= this.despawnRate) { // Spigot // Paper - Alternative item-despawn-rate
              // CraftBukkit start - fire ItemDespawnEvent
              if (org.bukkit.craftbukkit.event.CraftEventFactory.callItemDespawnEvent(this).isCancelled()) {
                  this.age = 0;
@@ -40,7 +40,7 @@ index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034
          ItemStack itemstack = this.getItem();
  
 -        return this.isAlive() && this.pickupDelay != 32767 && this.age != -32768 && this.age < 6000 && itemstack.getCount() < itemstack.getMaxStackSize();
-+        return this.isAlive() && this.pickupDelay != 32767 && this.age != -32768 && this.age < this.despawnRate && itemstack.getCount() < itemstack.getMaxStackSize(); // Paper - respect despawn rate in pickup check.
++        return this.isAlive() && this.pickupDelay != 32767 && this.age != -32768 && this.age < this.despawnRate && itemstack.getCount() < itemstack.getMaxStackSize(); // Paper - Alternative item-despawn-rate
      }
  
      private void tryToMerge(ItemEntity other) {
@@ -48,7 +48,7 @@ index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034
  
      public void setItem(ItemStack stack) {
          this.getEntityData().set(ItemEntity.DATA_ITEM, stack);
-+        this.despawnRate = this.level().paperConfig().entities.spawning.altItemDespawnRate.enabled ? this.level().paperConfig().entities.spawning.altItemDespawnRate.items.getOrDefault(stack.getItem(), this.level().spigotConfig.itemDespawnRate) : this.level().spigotConfig.itemDespawnRate; // Paper
++        this.despawnRate = this.level().paperConfig().entities.spawning.altItemDespawnRate.enabled ? this.level().paperConfig().entities.spawning.altItemDespawnRate.items.getOrDefault(stack.getItem(), this.level().spigotConfig.itemDespawnRate) : this.level().spigotConfig.itemDespawnRate; // Paper - Alternative item-despawn-rate
      }
  
      @Override
@@ -57,7 +57,7 @@ index bbd0d161f27d0e061c14ad87990e44492bb7fe3d..36ccb7701cc5f6648940256b62321034
      public void makeFakeItem() {
          this.setNeverPickUp();
 -        this.age = this.level().spigotConfig.itemDespawnRate - 1; // Spigot
-+        this.age = this.despawnRate - 1; // Spigot // Paper
++        this.age = this.despawnRate - 1; // Spigot // Paper - Alternative item-despawn-rate
      }
  
      public float getSpin(float tickDelta) {

patches/server/0332-Fix-items-vanishing-through-end-portal.patch

@@ -13,16 +13,14 @@ Quickly loading the exact world spawn chunk before searching the
 heightmap resolves the issue without having to load all spawn chunks.
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 26a611b8d75513690811fbbd15dc37e6f4a50dd4..21eac12dcc3571e647b07b313015d809cb0fbcea 100644
+index 26a611b8d75513690811fbbd15dc37e6f4a50dd4..f052c3eb14d5f50fb82889b011387991d5e4aac7 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -3411,6 +3411,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -3411,6 +3411,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
              if (flag1) {
                  blockposition1 = ServerLevel.END_SPAWN_POINT;
              } else {
-+                // Paper start - Ensure spawn chunk is always loaded before calculating Y coordinate
++                destination.getChunkAt(destination.getSharedSpawnPos()); // Paper - Ensure spawn chunk is always loaded before calculating Y coordinate
-+                destination.getChunkAt(destination.getSharedSpawnPos());
-+                // Paper end
                  blockposition1 = destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, destination.getSharedSpawnPos());
              }
              // CraftBukkit start

patches/server/0333-Optional-per-player-mob-spawns.patch

@@ -1,18 +1,18 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: kickash32 <kickash32@gmail.com>
 Date: Mon, 19 Aug 2019 01:27:58 +0500
-Subject: [PATCH] implement optional per player mob spawns
+Subject: [PATCH] Optional per player mob spawns
 
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 2130f15d92bab1d4e35a92a681ac34cd9c929ea9..1f9efff4ddccf2569fdfe42e6cbc92792643d0ea 100644
+index 2130f15d92bab1d4e35a92a681ac34cd9c929ea9..8fdffba03688e9f2fd57a97343b66933a4aee9c6 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -288,6 +288,29 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
          });
      }
  
-+    // Paper start
++    // Paper start - Optional per player mob spawns
 +    public void updatePlayerMobTypeMap(Entity entity) {
 +        if (!this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
 +            return;
@@ -33,13 +33,13 @@ index 2130f15d92bab1d4e35a92a681ac34cd9c929ea9..1f9efff4ddccf2569fdfe42e6cbc9279
 +    public int getMobCountNear(ServerPlayer entityPlayer, net.minecraft.world.entity.MobCategory mobCategory) {
 +        return entityPlayer.mobCounts[mobCategory.ordinal()];
 +    }
-+    // Paper end
++    // Paper end - Optional per player mob spawns
 +
      private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
          double d0 = (double) SectionPos.sectionToBlockCoord(pos.x, 8);
          double d1 = (double) SectionPos.sectionToBlockCoord(pos.z, 8);
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 16028723b36c1ca3a3c5d1bf2a7c82d2b42a0be4..24d9a2c37db4bbf2585b33d06f5ea57eb2adf356 100644
+index 16028723b36c1ca3a3c5d1bf2a7c82d2b42a0be4..488f7e2f1ab0312673983d9079b4d7d99eebe611 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 @@ -549,7 +549,19 @@ public class ServerChunkCache extends ChunkSource {
@@ -47,7 +47,7 @@ index 16028723b36c1ca3a3c5d1bf2a7c82d2b42a0be4..24d9a2c37db4bbf2585b33d06f5ea57e
                  this.level.timings.countNaturalMobs.startTiming(); // Paper - timings
                  int k = this.distanceManager.getNaturalSpawnChunkCount();
 -                NaturalSpawner.SpawnState spawnercreature_d = NaturalSpawner.createState(k, this.level.getAllEntities(), this::getFullChunk, new LocalMobCapCalculator(this.chunkMap));
-+                // Paper start - per player mob spawning
++                // Paper start - Optional per player mob spawns
 +                int naturalSpawnChunkCount = k;
 +                NaturalSpawner.SpawnState spawnercreature_d; // moved down
 +                if ((this.spawnFriendlies || this.spawnEnemies) && this.level.paperConfig().entities.spawning.perPlayerMobSpawns) { // don't count mobs when animals and monsters are disabled
@@ -59,39 +59,39 @@ index 16028723b36c1ca3a3c5d1bf2a7c82d2b42a0be4..24d9a2c37db4bbf2585b33d06f5ea57e
 +                } else {
 +                    spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, this.level.getAllEntities(), this::getFullChunk, !this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new LocalMobCapCalculator(this.chunkMap) : null, false);
 +                }
-+                // Paper end
++                // Paper end - Optional per player mob spawns
                  this.level.timings.countNaturalMobs.stopTiming(); // Paper - timings
  
                  this.lastSpawnState = spawnercreature_d;
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 5aef108c5b78cfc02af5c73b9bc03004fba33ca7..26410f43c7bbb368d9ef7206d3b9759f86afba4b 100644
+index 5aef108c5b78cfc02af5c73b9bc03004fba33ca7..fff540886166a60b967cf14e93776e36dcbe1308 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -253,6 +253,10 @@ public class ServerPlayer extends Player {
      public boolean queueHealthUpdatePacket = false;
      public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
      // Paper end
-+    // Paper start - mob spawning rework
++    // Paper start - Optional per player mob spawns
 +    public static final int MOBCATEGORY_TOTAL_ENUMS = net.minecraft.world.entity.MobCategory.values().length;
 +    public final int[] mobCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper
-+    // Paper end - mob spawning rework
++    // Paper end - Optional per player mob spawns
  
      // CraftBukkit start
      public String displayName;
 diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
-index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32fe2992331 100644
+index fe38079d69f3e9987ad5ab077ae09d05017a681a..4aa2a174400fe879501571c175d5ac4d09ac7de3 100644
 --- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 @@ -70,6 +70,12 @@ public final class NaturalSpawner {
      private NaturalSpawner() {}
  
      public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator densityCapper) {
-+        // Paper start - add countMobs parameter
++        // Paper start - Optional per player mob spawns
 +        return createState(spawningChunkCount, entities, chunkSource, densityCapper, false);
 +    }
 +
 +    public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator densityCapper, boolean countMobs) {
-+        // Paper end
++        // Paper end - Optional per player mob spawns
          PotentialCalculator spawnercreatureprobabilities = new PotentialCalculator();
          Object2IntOpenHashMap<MobCategory> object2intopenhashmap = new Object2IntOpenHashMap();
          Iterator iterator = entities.iterator();
@@ -100,16 +100,16 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
                      }
  
 -                    if (entity instanceof Mob) {
-+                    if (densityCapper != null && entity instanceof Mob) { // Paper
++                    if (densityCapper != null && entity instanceof Mob) { // Paper - Optional per player mob spawns
                          densityCapper.addMob(chunk.getPos(), enumcreaturetype);
                      }
  
                      object2intopenhashmap.addTo(enumcreaturetype, 1);
-+                    // Paper start
++                    // Paper start - Optional per player mob spawns
 +                    if (countMobs) {
 +                        chunk.level.getChunkSource().chunkMap.updatePlayerMobTypeMap(entity);
 +                    }
-+                    // Paper end
++                    // Paper end - Optional per player mob spawns
                  });
              }
          }
@@ -118,7 +118,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
              }
  
 -            if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && info.canSpawnForCategory(enumcreaturetype, chunk.getPos(), limit)) {
-+            // Paper start - only allow spawns upto the limit per chunk and update count afterwards
++            // Paper start - Optional per player mob spawns; only allow spawns upto the limit per chunk and update count afterwards
 +            int currEntityCount = info.mobCategoryCounts.getInt(enumcreaturetype);
 +            int k1 = limit * info.getSpawnableChunkCount() / NaturalSpawner.MAGIC_NUMBER;
 +            int difference = k1 - currEntityCount;
@@ -136,18 +136,18 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
 +                difference = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
 +            }
 +            if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && difference > 0) {
-+                // Paper end
++                // Paper end - Optional per player mob spawns
                  // CraftBukkit end
                  Objects.requireNonNull(info);
                  NaturalSpawner.SpawnPredicate spawnercreature_c = info::canSpawn;
  
                  Objects.requireNonNull(info);
 -                NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn);
-+                // Paper start
++                // Paper start - Optional per player mob spawns
 +                int spawnCount = NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn,
 +                    difference, world.paperConfig().entities.spawning.perPlayerMobSpawns ? world.getChunkSource().chunkMap::updatePlayerMobTypeMap : null);
 +                info.mobCategoryCounts.mergeInt(enumcreaturetype, spawnCount, Integer::sum);
-+                // Paper end
++                // Paper end - Optional per player mob spawns
              }
          }
  
@@ -155,18 +155,18 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
      }
  
      public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
-+        // Paper start - add parameters and int ret type
++        // Paper start - Optional per player mob spawns
 +        spawnCategoryForChunk(group, world, chunk, checker, runner, Integer.MAX_VALUE, null);
 +    }
 +    public static int spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
-+        // Paper end - add parameters and int ret type
++        // Paper end - Optional per player mob spawns
          BlockPos blockposition = NaturalSpawner.getRandomPosWithin(world, chunk);
  
          if (blockposition.getY() >= world.getMinBuildHeight() + 1) {
 -            NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner);
-+            return NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner, maxSpawns, trackEntity); // Paper
++            return NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner, maxSpawns, trackEntity); // Paper - Optional per player mob spawns
          }
-+        return 0; // Paper
++        return 0; // Paper - Optional per player mob spawns
      }
  
      @VisibleForDebug
@@ -174,22 +174,22 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
          });
      }
  
-+    // Paper start - add maxSpawns parameter and return spawned mobs
++    // Paper start - Optional per player mob spawns
      public static void spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
 +        spawnCategoryForPosition(group, world,chunk, pos, checker, runner, Integer.MAX_VALUE, null);
 +    }
 +    public static int spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
-+    // Paper end - add maxSpawns parameter and return spawned mobs
++    // Paper end - Optional per player mob spawns
          StructureManager structuremanager = world.structureManager();
          ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
          int i = pos.getY();
          BlockState iblockdata = world.getBlockStateIfLoadedAndInBounds(pos); // Paper - don't load chunks for mob spawn
-+        int j = 0; // Paper - moved up
++        int j = 0; // Paper - Optional per player mob spawns; moved up
  
          if (iblockdata != null && !iblockdata.isRedstoneConductor(chunk, pos)) { // Paper - don't load chunks for mob spawn
              BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
 -            int j = 0;
-+            //int j = 0; // Paper - moved up
++            //int j = 0; // Paper - Optional per player mob spawns; moved up
              int k = 0;
  
              while (k < 3) {
@@ -198,7 +198,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
                                      PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
                                      if (doSpawning == PreSpawnStatus.ABORT) {
 -                                        return;
-+                                        return j; // Paper
++                                        return j; // Paper - Optional per player mob spawns
                                      }
                                      if (doSpawning == PreSpawnStatus.SUCCESS && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
                                          // Paper end
@@ -206,7 +206,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
  
                                          if (entityinsentient == null) {
 -                                            return;
-+                                            return j; // Paper
++                                            return j; // Paper - Optional per player mob spawns
                                          }
  
                                          entityinsentient.moveTo(d0, (double) i, d1, world.random.nextFloat() * 360.0F, 0.0F);
@@ -214,17 +214,17 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
                                                  ++j;
                                                  ++k1;
                                                  runner.run(entityinsentient, chunk);
-+                                                // Paper start
++                                                // Paper start - Optional per player mob spawns
 +                                                if (trackEntity != null) {
 +                                                    trackEntity.accept(entityinsentient);
 +                                                }
-+                                                // Paper end
++                                                // Paper end - Optional per player mob spawns
                                              }
                                              // CraftBukkit end
 -                                            if (j >= entityinsentient.getMaxSpawnClusterSize()) {
 -                                                return;
-+                                            if (j >= entityinsentient.getMaxSpawnClusterSize() || j >= maxSpawns) { // Paper
++                                            if (j >= entityinsentient.getMaxSpawnClusterSize() || j >= maxSpawns) { // Paper - Optional per player mob spawns
-+                                                return j; // Paper
++                                                return j; // Paper - Optional per player mob spawns
                                              }
  
                                              if (entityinsentient.isMaxGroupSizeReached(k1)) {
@@ -232,7 +232,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
              }
  
          }
-+        return j; // Paper
++        return j; // Paper - Optional per player mob spawns
      }
  
      private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
@@ -241,7 +241,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
  
              this.mobCategoryCounts.addTo(enumcreaturetype, 1);
 -            this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype);
-+            if (this.localMobCapCalculator != null) this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype); // Paper
++            if (this.localMobCapCalculator != null) this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype); // Paper - Optional per player mob spawns
          }
  
          public int getSpawnableChunkCount() {
@@ -249,7 +249,7 @@ index fe38079d69f3e9987ad5ab077ae09d05017a681a..9df761f5cf043e8d2dffa711c20ab32f
              int i = limit * this.spawnableChunkCount / NaturalSpawner.MAGIC_NUMBER;
              // CraftBukkit end
  
-+            if (this.localMobCapCalculator == null) return this.mobCategoryCounts.getInt(enumcreaturetype) < i; // Paper
++            if (this.localMobCapCalculator == null) return this.mobCategoryCounts.getInt(enumcreaturetype) < i; // Paper - Optional per player mob spawns
              return this.mobCategoryCounts.getInt(enumcreaturetype) >= i ? false : this.localMobCapCalculator.canSpawn(enumcreaturetype, chunkcoordintpair);
          }
      }

patches/server/0335-Bees-get-gravity-in-void.-Fixes-MC-167279.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Bees get gravity in void. Fixes MC-167279
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/animal/Bee.java b/src/main/java/net/minecraft/world/entity/animal/Bee.java
-index 0f7b02d39b5dc781e65537c1b6d924e6c51e5dc7..d9297c0b2934084a065af7d7c93af8d44c3de8e1 100644
+index 0f7b02d39b5dc781e65537c1b6d924e6c51e5dc7..06e990b6957a4ef48c8778bbd175d3afddf52ca3 100644
 --- a/src/main/java/net/minecraft/world/entity/animal/Bee.java
 +++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java
 @@ -147,7 +147,22 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
@@ -13,7 +13,7 @@ index 0f7b02d39b5dc781e65537c1b6d924e6c51e5dc7..d9297c0b2934084a065af7d7c93af8d4
          super(type, world);
          this.remainingCooldownBeforeLocatingNewFlower = Mth.nextInt(this.random, 20, 60);
 -        this.moveControl = new FlyingMoveControl(this, 20, true);
-+        // Paper start - apply gravity to bees when they get stuck in the void, fixes MC-167279
++        // Paper start - Fix MC-167279
 +        class BeeFlyingMoveControl extends FlyingMoveControl {
 +            public BeeFlyingMoveControl(final Mob entity, final int maxPitchChange, final boolean noGravity) {
 +                super(entity, maxPitchChange, noGravity);
@@ -28,7 +28,7 @@ index 0f7b02d39b5dc781e65537c1b6d924e6c51e5dc7..d9297c0b2934084a065af7d7c93af8d4
 +            }
 +        }
 +        this.moveControl = new BeeFlyingMoveControl(this, 20, true);
-+        // Paper end
++        // Paper end - Fix MC-167279
          this.lookControl = new Bee.BeeLookControl(this);
          this.setPathfindingMalus(BlockPathTypes.DANGER_FIRE, -1.0F);
          this.setPathfindingMalus(BlockPathTypes.WATER, -1.0F);

patches/server/0336-Improve-Block-breakNaturally-API.patch

@@ -18,18 +18,18 @@ public net.minecraft.world.level.block.TurtleEggBlock decreaseEggs(Lnet/minecraf
 Co-authored-by: William Blake Galbreath <Blake.Galbreath@GMail.com>
 
 diff --git a/src/main/java/net/minecraft/world/level/block/IceBlock.java b/src/main/java/net/minecraft/world/level/block/IceBlock.java
-index c919b5a382b1bfcafd938ff926d9146cc5cf0cdc..f05998e0af1e844f19bf86b74f652a9901088c37 100644
+index c919b5a382b1bfcafd938ff926d9146cc5cf0cdc..52c6c26a300cfd19c478afba411a17c8d5ea0c3c 100644
 --- a/src/main/java/net/minecraft/world/level/block/IceBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/IceBlock.java
 @@ -35,6 +35,11 @@ public class IceBlock extends HalfTransparentBlock {
      @Override
      public void playerDestroy(Level world, Player player, BlockPos pos, BlockState state, @Nullable BlockEntity blockEntity, ItemStack tool) {
          super.playerDestroy(world, player, pos, state, blockEntity, tool);
-+        // Paper start
++        // Paper start - Improve Block#breakNaturally API
 +        this.afterDestroy(world, pos, tool);
 +    }
 +    public void afterDestroy(Level world, BlockPos pos, ItemStack tool) {
-+        // Paper end
++        // Paper end - Improve Block#breakNaturally API
          if (EnchantmentHelper.getItemEnchantmentLevel(Enchantments.SILK_TOUCH, tool) == 0) {
              if (world.dimensionType().ultraWarm()) {
                  world.removeBlock(pos, false);

patches/server/0337-Optimise-getChunkAt-calls-for-loaded-chunks.patch

@@ -7,19 +7,19 @@ bypass the need to get a player chunk, then get the either,
 then unwrap it...
 
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 24d9a2c37db4bbf2585b33d06f5ea57eb2adf356..4039bd5a80bd2305082d21c0fe826f76d8beb4c4 100644
+index 488f7e2f1ab0312673983d9079b4d7d99eebe611..70f15e3af9e954483ab116500f84a9ee17f67ce4 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 @@ -268,6 +268,12 @@ public class ServerChunkCache extends ChunkSource {
                  return this.getChunk(x, z, leastStatus, create);
              }, this.mainThreadProcessor).join();
          } else {
-+            // Paper start - optimise for loaded chunks
++            // Paper start - Perf: Optimise getChunkAt calls for loaded chunks
 +            LevelChunk ifLoaded = this.getChunkAtIfLoadedMainThread(x, z);
 +            if (ifLoaded != null) {
 +                return ifLoaded;
 +            }
-+            // Paper end
++            // Paper end - Perf: Optimise getChunkAt calls for loaded chunks
              ProfilerFiller gameprofilerfiller = this.level.getProfiler();
  
              gameprofilerfiller.incrementCounter("getChunk");
@@ -60,7 +60,7 @@ index 24d9a2c37db4bbf2585b33d06f5ea57eb2adf356..4039bd5a80bd2305082d21c0fe826f76
 -                    return null;
 -                }
 -            }
-+            return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - optimise for loaded chunks
++            return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - Perf: Optimise getChunkAt calls for loaded chunks
          }
      }
  

patches/server/0338-Add-debug-for-sync-chunk-loads.patch

@@ -300,14 +300,14 @@ index 0000000000000000000000000000000000000000..95d6022c9cfb2e36ec5a71be6e343540
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 4039bd5a80bd2305082d21c0fe826f76d8beb4c4..974b4970be214ca36a801d39932abcc751e540a5 100644
+index 70f15e3af9e954483ab116500f84a9ee17f67ce4..56fe3f4edd15239533a1ae9287e86528b3296bdc 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 @@ -292,6 +292,7 @@ public class ServerChunkCache extends ChunkSource {
                  // Paper start - async chunk io/loading
                  io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.pushChunkWait(this.level, x1, z1); // Paper - rewrite chunk system
                  // Paper end
-+                com.destroystokyo.paper.io.SyncLoadFinder.logSyncLoad(this.level, x1, z1); // Paper - sync load info
++                com.destroystokyo.paper.io.SyncLoadFinder.logSyncLoad(this.level, x1, z1); // Paper - Add debug for sync chunk loads
                  this.level.timings.syncChunkLoad.startTiming(); // Paper
              chunkproviderserver_b.managedBlock(completablefuture::isDone);
                  io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.popChunkWait(); // Paper - async chunk debug  // Paper - rewrite chunk system

patches/server/0339-Improve-java-version-check.patch

@@ -6,14 +6,14 @@ Subject: [PATCH] Improve java version check
 Co-Authored-By: MiniDigger <admin@benndorf.dev>
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index ebfebbb9b7de93dd43ee6d0531832a71f8556d33..fdce27bbd60897e7584db627b5f9ff32c930cd78 100644
+index 4d2ebb7af055d1c78a648914c5a1862fe9bc8b8f..5030b865c84d84ed5be9f4987a7f0a829b8ea1e5 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
 @@ -201,23 +201,27 @@ public class Main {
                  return;
              }
  
-+            // Paper start - better java version checks
++            // Paper start - Improve java version check
 +            boolean skip = Boolean.getBoolean("Paper.IgnoreJavaVersion");
              float javaVersion = Float.parseFloat(System.getProperty("java.class.version"));
 -            if (javaVersion < 61.0) {
@@ -40,7 +40,7 @@ index ebfebbb9b7de93dd43ee6d0531832a71f8556d33..fdce27bbd60897e7584db627b5f9ff32
 +            if (skip && (isOldVersion || isPreRelease)) {
 +                System.err.println("Unsupported Java detected ("+ javaVersionName + "), but the check was skipped. Proceed with caution! ");
 +            }
-+            // Paper end - better java version checks
++            // Paper end - Improve java version check
 +
              try {
                  // Paper start - Handled by TerminalConsoleAppender

patches/server/0340-Add-ThrownEggHatchEvent.patch

@@ -7,20 +7,20 @@ Adds a new event similar to PlayerEggThrowEvent, but without the Player requirem
 (dispensers can throw eggs to hatch them, too).
 
 diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEgg.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEgg.java
-index 98d42143e70c5be809deb6c03270987ff9db46d5..b64ecadae45c2126b92963ac8d118dde76126ddd 100644
+index 98d42143e70c5be809deb6c03270987ff9db46d5..785196e6f4677074890ca965e9add85ccfd0e6e3 100644
 --- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEgg.java
 +++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEgg.java
 @@ -82,6 +82,13 @@ public class ThrownEgg extends ThrowableItemProjectile {
                      }
                  }
                  // CraftBukkit end
-+                // Paper start
++                // Paper start - Add ThrownEggHatchEvent
 +                com.destroystokyo.paper.event.entity.ThrownEggHatchEvent event = new com.destroystokyo.paper.event.entity.ThrownEggHatchEvent((org.bukkit.entity.Egg) getBukkitEntity(), hatching, b0, hatchingType);
 +                event.callEvent();
 +                hatching = event.isHatching();
 +                b0 = hatching ? event.getNumHatches() : 0; // If hatching is set to false, ensure child count is 0
 +                hatchingType = event.getHatchingType();
-+                // Paper end
++                // Paper end - Add ThrownEggHatchEvent
  
                  for (int i = 0; i < b0; ++i) {
                      Entity entitychicken = this.level().getWorld().makeEntity(new org.bukkit.Location(this.level().getWorld(), this.getX(), this.getY(), this.getZ(), this.getYRot(), 0.0F), hatchingType.getEntityClass()); // CraftBukkit

patches/server/0341-Entity-Jump-API.patch

@@ -5,45 +5,45 @@ Subject: [PATCH] Entity Jump API
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index a3eac4dfe28bc55721d292e2f309b3467a3db140..f9e2d3cba01fcf39bc29dc8b5b5879ddc3add0e5 100644
+index a3eac4dfe28bc55721d292e2f309b3467a3db140..5f7ed9de581ab52fd8e1c674eeaa550619a05d19 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
 @@ -3283,8 +3283,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
              } else if (this.isInLava() && (!this.onGround() || d3 > d4)) {
                  this.jumpInLiquid(FluidTags.LAVA);
              } else if ((this.onGround() || flag && d3 <= d4) && this.noJumpDelay == 0) {
-+                if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper
++                if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper - Entity Jump API
                  this.jumpFromGround();
                  this.noJumpDelay = 10;
-+                } else { this.setJumping(false); } // Paper - setJumping(false) stops a potential loop
++                } else { this.setJumping(false); } // Paper - Entity Jump API; setJumping(false) stops a potential loop
              }
          } else {
              this.noJumpDelay = 0;
 diff --git a/src/main/java/net/minecraft/world/entity/animal/Panda.java b/src/main/java/net/minecraft/world/entity/animal/Panda.java
-index 3d947293d33407e5d24f8fba738ab872e1d890b6..27e1ed14f2ae4f7922c7c3bc1ac21156bafcb0ba 100644
+index 3d947293d33407e5d24f8fba738ab872e1d890b6..48df7de02e0765bfe62ae1b8a4c0029743430221 100644
 --- a/src/main/java/net/minecraft/world/entity/animal/Panda.java
 +++ b/src/main/java/net/minecraft/world/entity/animal/Panda.java
 @@ -527,7 +527,9 @@ public class Panda extends Animal {
              Panda entitypanda = (Panda) iterator.next();
  
              if (!entitypanda.isBaby() && entitypanda.onGround() && !entitypanda.isInWater() && entitypanda.canPerformAction()) {
-+                if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper
++                if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper - Entity Jump API
                  entitypanda.jumpFromGround();
-+                } else { this.setJumping(false); } // Paper - setJumping(false) stops a potential loop
++                } else { this.setJumping(false); } // Paper - Entity Jump API; setJumping(false) stops a potential loop
              }
          }
  
 diff --git a/src/main/java/net/minecraft/world/entity/monster/Ravager.java b/src/main/java/net/minecraft/world/entity/monster/Ravager.java
-index 344e933311f5cdccb66069d486b111a003639dfe..add3cd866452df727107e94fb2039bddebe909be 100644
+index 344e933311f5cdccb66069d486b111a003639dfe..c45a9b4d9a4894919c5c798ada80629493821c61 100644
 --- a/src/main/java/net/minecraft/world/entity/monster/Ravager.java
 +++ b/src/main/java/net/minecraft/world/entity/monster/Ravager.java
 @@ -167,7 +167,9 @@ public class Ravager extends Raider {
                  }
  
                  if (!flag && this.onGround()) {
-+                    if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper
++                    if (new com.destroystokyo.paper.event.entity.EntityJumpEvent(getBukkitLivingEntity()).callEvent()) { // Paper - Entity Jump API
                      this.jumpFromGround();
-+                    } else { this.setJumping(false); } // Paper - setJumping(false) stops a potential loop
++                    } else { this.setJumping(false); } // Paper - Entity Jump API; setJumping(false) stops a potential loop
                  }
              }
  

patches/server/0342-Add-option-to-nerf-pigmen-from-nether-portals.patch

@@ -5,14 +5,14 @@ Subject: [PATCH] Add option to nerf pigmen from nether portals
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 21eac12dcc3571e647b07b313015d809cb0fbcea..7f08a5a9c853c1f54e1d3b142c52cfa5dfb8c091 100644
+index 21eac12dcc3571e647b07b313015d809cb0fbcea..d1a256a0a27ebfd91497840334c94dfe1a40c980 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -399,6 +399,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      // Paper start
      public long activatedImmunityTick = Integer.MIN_VALUE; // Paper
      public boolean isTemporarilyActive = false; // Paper
-+    public boolean fromNetherPortal; // Paper
++    public boolean fromNetherPortal; // Paper - Add option to nerf pigmen from nether portals
      protected int numCollisions = 0; // Paper
      public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
      @javax.annotation.Nullable
@@ -35,15 +35,15 @@ index 21eac12dcc3571e647b07b313015d809cb0fbcea..7f08a5a9c853c1f54e1d3b142c52cfa5
                  String spawnReasonName = nbt.getString("Paper.SpawnReason");
                  try {
 diff --git a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
-index c9ff8a3fd8d65033ce5a476e8ceaf9d1b8e2d887..4e52e92846428b0d01635b90f3480b4a2c13a0b4 100644
+index c9ff8a3fd8d65033ce5a476e8ceaf9d1b8e2d887..2a8f97d97ae7f268da920b5e3b9719743fa9a8e0 100644
 --- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
 @@ -71,6 +71,8 @@ public class NetherPortalBlock extends Block {
  
                  if (entity != null) {
                      entity.setPortalCooldown();
-+                    entity.fromNetherPortal = true; // Paper
++                    entity.fromNetherPortal = true; // Paper - Add option to nerf pigmen from nether portals
-+                    if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper
++                    if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper - Add option to nerf pigmen from nether portals
                  }
              }
          }

patches/server/0343-Make-the-GUI-graph-fancier.patch

@@ -384,7 +384,7 @@ index 0000000000000000000000000000000000000000..c3e54da4ab6440811aab2f9dd1e21880
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/gui/MinecraftServerGui.java b/src/main/java/net/minecraft/server/gui/MinecraftServerGui.java
-index d292fdb165436f0b9b46b32110f5e09ad0e517a1..2e93eec8733c5b548a15269a322fe4dd1f189b7d 100644
+index d292fdb165436f0b9b46b32110f5e09ad0e517a1..2bbc57b4869caf690f53618d60359c5133ec62a8 100644
 --- a/src/main/java/net/minecraft/server/gui/MinecraftServerGui.java
 +++ b/src/main/java/net/minecraft/server/gui/MinecraftServerGui.java
 @@ -95,7 +95,7 @@ public class MinecraftServerGui extends JComponent {
@@ -392,7 +392,7 @@ index d292fdb165436f0b9b46b32110f5e09ad0e517a1..2e93eec8733c5b548a15269a322fe4dd
      private JComponent buildInfoPanel() {
          JPanel jpanel = new JPanel(new BorderLayout());
 -        StatsComponent guistatscomponent = new StatsComponent(this.server);
-+        com.destroystokyo.paper.gui.GuiStatsComponent guistatscomponent = new com.destroystokyo.paper.gui.GuiStatsComponent(this.server); // Paper
++        com.destroystokyo.paper.gui.GuiStatsComponent guistatscomponent = new com.destroystokyo.paper.gui.GuiStatsComponent(this.server); // Paper - Make GUI graph fancier
          Collection<Runnable> collection = this.finalizers; // CraftBukkit - decompile error
  
          Objects.requireNonNull(guistatscomponent);

patches/server/0345-Validate-tripwire-hook-placement-before-update.patch

@@ -5,14 +5,14 @@ Subject: [PATCH] Validate tripwire hook placement before update
 
 
 diff --git a/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java b/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
-index eed36b6736a4f971022fdbce989da03f42794bb5..02b62ac13d4968f80cb0ae3702755d0f1d95e692 100644
+index eed36b6736a4f971022fdbce989da03f42794bb5..d9b3877257b31ca1b5acc4a47fbf5b993de69ae0 100644
 --- a/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
 @@ -188,6 +188,7 @@ public class TripWireHookBlock extends Block {
  
              TripWireHookBlock.emitState(world, pos, flag4, flag5, flag2, flag3);
              if (!flag) {
-+                if (world.getBlockState(pos).getBlock() == Blocks.TRIPWIRE_HOOK) // Paper - validate
++                if (world.getBlockState(pos).getBlock() == Blocks.TRIPWIRE_HOOK) // Paper - Validate tripwire hook placement before update
                  world.setBlock(pos, (BlockState) iblockdata3.setValue(TripWireHookBlock.FACING, enumdirection), 3);
                  if (flag1) {
                      TripWireHookBlock.notifyNeighbors(block, world, pos, enumdirection);

patches/server/0346-Add-option-to-allow-iron-golems-to-spawn-in-air.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add option to allow iron golems to spawn in air
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/animal/IronGolem.java b/src/main/java/net/minecraft/world/entity/animal/IronGolem.java
-index ce83fe0b68fcb229dd37fe07e5f21b52a60c32de..f383928fc5b331ddf128bdcb6a23010d8fe088d3 100644
+index ce83fe0b68fcb229dd37fe07e5f21b52a60c32de..6cfe0d6c46caa122db107c607d27a2bdcd82f7a8 100644
 --- a/src/main/java/net/minecraft/world/entity/animal/IronGolem.java
 +++ b/src/main/java/net/minecraft/world/entity/animal/IronGolem.java
 @@ -325,7 +325,7 @@ public class IronGolem extends AbstractGolem implements NeutralMob {
@@ -13,7 +13,7 @@ index ce83fe0b68fcb229dd37fe07e5f21b52a60c32de..f383928fc5b331ddf128bdcb6a23010d
          BlockState iblockdata = world.getBlockState(blockposition1);
  
 -        if (!iblockdata.entityCanStandOn(world, blockposition1, this)) {
-+        if (!iblockdata.entityCanStandOn(world, blockposition1, this) && !this.level().paperConfig().entities.spawning.ironGolemsCanSpawnInAir) { // Paper
++        if (!iblockdata.entityCanStandOn(world, blockposition1, this) && !this.level().paperConfig().entities.spawning.ironGolemsCanSpawnInAir) { // Paper - Add option to allow iron golems to spawn in air
              return false;
          } else {
              for (int i = 1; i < 3; ++i) {

patches/server/0347-Configurable-chance-of-villager-zombie-infection.patch

@@ -8,7 +8,7 @@ This allows you to solve an issue in vanilla behavior where:
 * On normal difficulty they will have a 50% of getting infected or dying.
 
 diff --git a/src/main/java/net/minecraft/world/entity/monster/Zombie.java b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
-index d4f72024c15d03f70a86f09714403ace6e26885a..79634693899f50e34ffe0898f75e5b31fd11ab53 100644
+index d4f72024c15d03f70a86f09714403ace6e26885a..a073637adbb7bb8fc49cf97da6c0b6e9792d8e16 100644
 --- a/src/main/java/net/minecraft/world/entity/monster/Zombie.java
 +++ b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
 @@ -452,12 +452,8 @@ public class Zombie extends Monster {
@@ -21,8 +21,8 @@ index d4f72024c15d03f70a86f09714403ace6e26885a..79634693899f50e34ffe0898f75e5b31
 -            if (world.getDifficulty() != Difficulty.HARD && this.random.nextBoolean()) {
 -                return flag;
 -            }
-+        final double fallbackChance = world.getDifficulty() == Difficulty.HARD ? 100d : world.getDifficulty() == Difficulty.NORMAL ? 50d : 0d; // Paper
++        final double fallbackChance = world.getDifficulty() == Difficulty.HARD ? 100d : world.getDifficulty() == Difficulty.NORMAL ? 50d : 0d; // Paper - Configurable chance of villager zombie infection
-+        if (this.random.nextDouble() * 100 < world.paperConfig().entities.behavior.zombieVillagerInfectionChance.or(fallbackChance) && other instanceof Villager entityvillager) { // Paper
++        if (this.random.nextDouble() * 100 < world.paperConfig().entities.behavior.zombieVillagerInfectionChance.or(fallbackChance) && other instanceof Villager entityvillager) { // Paper - Configurable chance of villager zombie infection
              // CraftBukkit start
              flag = Zombie.zombifyVillager(world, entityvillager, this.blockPosition(), this.isSilent(), CreatureSpawnEvent.SpawnReason.INFECTION) == null;
          }

patches/server/0348-Optimise-Chunk-getFluid.patch

@@ -8,7 +8,7 @@ faster on its own, however removing the try catch makes it
 easier to inline due to code size
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
-index e599bfb9a7b0b85bea2940f6bf55118305dd0ce8..3acef646275aa05100e13e149bc5ff6d1ccbbea8 100644
+index e599bfb9a7b0b85bea2940f6bf55118305dd0ce8..796aa86e12cf9062b3467a3678c895af5ad626fe 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 @@ -377,18 +377,20 @@ public class LevelChunk extends ChunkAccess {
@@ -20,8 +20,8 @@ index e599bfb9a7b0b85bea2940f6bf55118305dd0ce8..3acef646275aa05100e13e149bc5ff6d
 -
 -            if (l >= 0 && l < this.sections.length) {
 -                LevelChunkSection chunksection = this.sections[l];
-+        // try {  // Paper - remove try catch
++        // Paper start - Perf: Optimise Chunk#getFluid
-+        // Paper start - reduce the number of ops in this call
++        // try {  // Remove try catch
 +        int index = this.getSectionIndex(y);
 +            if (index >= 0 && index < this.sections.length) {
 +                LevelChunkSection chunksection = this.sections[index];
@@ -29,12 +29,12 @@ index e599bfb9a7b0b85bea2940f6bf55118305dd0ce8..3acef646275aa05100e13e149bc5ff6d
                  if (!chunksection.hasOnlyAir()) {
 -                    return chunksection.getFluidState(x & 15, y & 15, z & 15);
 +                    return chunksection.states.get((y & 15) << 8 | (z & 15) << 4 | x & 15).getFluidState();
-+                    // Paper end
++                    // Paper end - Perf: Optimise Chunk#getFluid
                  }
              }
  
              return Fluids.EMPTY.defaultFluidState();
-+        /* // Paper - remove try catch
++        /* // Paper - Perf: Optimise Chunk#getFluid
          } catch (Throwable throwable) {
              CrashReport crashreport = CrashReport.forThrowable(throwable, "Getting fluid state");
              CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Block being got");
@@ -42,12 +42,12 @@ index e599bfb9a7b0b85bea2940f6bf55118305dd0ce8..3acef646275aa05100e13e149bc5ff6d
              });
              throw new ReportedException(crashreport);
          }
-+         */  // Paper - remove try catch
++         */  // Paper - Perf: Optimise Chunk#getFluid
      }
  
      // CraftBukkit start
 diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
-index 4eeb719b40ff1c18a7cdda7ecc6b135dbedd626e..b8fee4f8a0cfe32b9ef7f3f3cf818cbaec0d3fca 100644
+index 4eeb719b40ff1c18a7cdda7ecc6b135dbedd626e..3efd0a462306fbd02a506a3f952d609645b1f874 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
 @@ -46,7 +46,7 @@ public class LevelChunkSection {
@@ -55,7 +55,7 @@ index 4eeb719b40ff1c18a7cdda7ecc6b135dbedd626e..b8fee4f8a0cfe32b9ef7f3f3cf818cba
  
      public FluidState getFluidState(int x, int y, int z) {
 -        return ((BlockState) this.states.get(x, y, z)).getFluidState();
-+        return this.states.get(x, y, z).getFluidState(); // Paper - diff on change - we expect this to be effectively just getType(x, y, z).getFluid(). If this changes we need to check other patches that use IBlockData#getFluid.
++        return this.states.get(x, y, z).getFluidState(); // Paper - Perf: Optimise Chunk#getFluid; diff on change - we expect this to be effectively just getType(x, y, z).getFluid(). If this changes we need to check other patches that use IBlockData#getFluid.
      }
  
      public void acquire() {

patches/server/0353-Pillager-patrol-spawn-settings-and-per-player-option.patch

@@ -10,7 +10,7 @@ When not per player it will use the Vanilla mechanic of one delay per
 world and the world age for the start day.
 
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 26410f43c7bbb368d9ef7206d3b9759f86afba4b..e6d9b3ddfaf60fce5e6232bd39c5b6307fa6aa7c 100644
+index fff540886166a60b967cf14e93776e36dcbe1308..070dddc5597cf623e2a29e731739383fd98b94d1 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -249,6 +249,7 @@ public class ServerPlayer extends Player {
@@ -22,15 +22,15 @@ index 26410f43c7bbb368d9ef7206d3b9759f86afba4b..e6d9b3ddfaf60fce5e6232bd39c5b630
      public boolean queueHealthUpdatePacket = false;
      public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
 diff --git a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
-index e5918fa3be107ac3a2fc8831fd78733a7506730a..60a301b4a21be91bb3c2b84728467a693017e28f 100644
+index c7aea059de151cf8ae6e660785e176586bc23ff3..1c4dafdfb3898b5efe06d66792b1b0841ec5724d 100644
 --- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
 @@ -25,7 +25,7 @@ public class PatrolSpawner implements CustomSpawner {
  
      @Override
      public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
--        if (world.paperConfig().entities.behavior.pillagerPatrols.disable) return 0; // Paper
+-        if (world.paperConfig().entities.behavior.pillagerPatrols.disable) return 0; // Paper - Add option to disable pillager patrols
-+        if (world.paperConfig().entities.behavior.pillagerPatrols.disable || world.paperConfig().entities.behavior.pillagerPatrols.spawnChance == 0) return 0; // Paper - Pillager patrol spawn settings and per player options
++        if (world.paperConfig().entities.behavior.pillagerPatrols.disable || world.paperConfig().entities.behavior.pillagerPatrols.spawnChance == 0) return 0; // Paper - Add option to disable pillager patrols & Pillager patrol spawn settings and per player options
          if (!spawnMonsters) {
              return 0;
          } else if (!world.getGameRules().getBoolean(GameRules.RULE_DO_PATROL_SPAWNING)) {

patches/server/0375-Fix-item-duplication-and-teleport-issues.patch

@@ -16,7 +16,7 @@ So even if something NEW comes up, it would be impossible to drop the
 same item twice because the source was destroyed.
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index b2dc3729a8312179d219bd93a755729c86f4dece..d13759736cf802cae56e68c11f09f15e1e08d09c 100644
+index 85371495d4f11e339a0211145c0303976515ef8f..14be6f3a591fded3ff8690241061a7a07d2a89a6 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -2467,11 +2467,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -70,7 +70,7 @@ index b2dc3729a8312179d219bd93a755729c86f4dece..d13759736cf802cae56e68c11f09f15e
                      // CraftBukkit end
                  }
  
-@@ -3438,7 +3446,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -3436,7 +3444,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      }
  
      public boolean canChangeDimensions() {
@@ -80,7 +80,7 @@ index b2dc3729a8312179d219bd93a755729c86f4dece..d13759736cf802cae56e68c11f09f15e
  
      public float getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState, float max) {
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index d3bb5a6ee350043e7f5c173b9496c1d71b3957b1..0af0b62a4bd9b3c027a5a608b81831864d54fd11 100644
+index da68b02c6c66a205254d755e4ab5f379cbe9a666..28ea07dc7796f7fc12d5f11aed22eb35ee60c9b5 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
 @@ -1705,9 +1705,9 @@ public abstract class LivingEntity extends Entity implements Attackable {

patches/server/0392-Protect-Bedrock-and-End-Portal-Frames-from-being-des.patch

@@ -13,7 +13,7 @@ A config is provided if you rather let players use these exploits, and let
 them destroy the worlds End Portals and get on top of the nether easy.
 
 diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
-index 120151da61398ea8afcd658a8407efcf738b9476..e720be2185b63f2cf3df9270191bac1ba50af2d5 100644
+index b1fdfae75aeea78ca77987e40242bf498447bc08..cf81854facadaf3c1f860bcaaf69db463a31b0c9 100644
 --- a/src/main/java/net/minecraft/world/level/Explosion.java
 +++ b/src/main/java/net/minecraft/world/level/Explosion.java
 @@ -191,6 +191,7 @@ public class Explosion {
@@ -21,7 +21,7 @@ index 120151da61398ea8afcd658a8407efcf738b9476..e720be2185b63f2cf3df9270191bac1b
                              BlockPos blockposition = BlockPos.containing(d4, d5, d6);
                              BlockState iblockdata = this.level.getBlockState(blockposition);
 +                            if (!iblockdata.isDestroyable()) continue; // Paper - Protect Bedrock and End Portal/Frames from being destroyed
-                             FluidState fluid = iblockdata.getFluidState(); // Paper
+                             FluidState fluid = iblockdata.getFluidState(); // Paper - Perf: Optimize call to getFluid for explosions
  
                              if (!this.level.isInWorldBounds(blockposition)) {
 diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java

patches/server/0409-Ensure-Entity-position-and-AABB-are-never-invalid.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Ensure Entity position and AABB are never invalid
 Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index a1d990aa2e79af9e1ff078892cdb38a382f21da7..e1ce61dcadf325633ed809eef92fc07bac4cbf05 100644
+index 2b3b6b7cda65434c903582a99e42e71762daccf8..44ff63b89056eb2f944ead71d74d17d1fd5351b2 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -728,8 +728,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -20,7 +20,7 @@ index a1d990aa2e79af9e1ff078892cdb38a382f21da7..e1ce61dcadf325633ed809eef92fc07b
      }
  
      protected AABB makeBoundingBox() {
-@@ -4243,7 +4243,29 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4241,7 +4241,29 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
          return this.getZ((2.0D * this.random.nextDouble() - 1.0D) * widthScale);
      }
  
@@ -50,7 +50,7 @@ index a1d990aa2e79af9e1ff078892cdb38a382f21da7..e1ce61dcadf325633ed809eef92fc07b
          // Paper start - rewrite chunk system
          if (this.updatingSectionStatus) {
              LOGGER.error("Refusing to update position for entity " + this + " to position " + new Vec3(x, y, z) + " since it is processing a section status update", new Throwable());
-@@ -4267,6 +4289,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4265,6 +4287,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
              this.levelCallback.onMove();
          }
  

patches/server/0410-Fix-Per-World-Difficulty-Remembering-Difficulty.patch

@@ -8,11 +8,11 @@ makes it so that the server keeps the last difficulty used instead
 of restoring the server.properties every single load.
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 739e6cf058f2d85c874d1c4f114963035b8c645f..6ffb81f09e7422adeb29f0651a9d3b6e7f6860d3 100644
+index 72dd2986c366a7840116b2426c4e2e6b807d0cfa..77f6b636c8e9935e51d54a47c0ac7a171aab2e60 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -828,7 +828,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
-         if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper
+         if (worldserver.getWorld().getKeepSpawnInMemory()) worldloadlistener.stop(); // Paper - Configurable Keep Spawn Loaded range per world
          // CraftBukkit start
          // this.updateMobSpawningFlags();
 -        worldserver.setSpawnSettings(this.isSpawningMonsters(), this.isSpawningAnimals());
@@ -76,7 +76,7 @@ index 684e9e9d78f0d410176fa8b9c9d0fbfda6a156dc..6c009f7443eabce73ace587a9fc686c3
  
      @Override
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 71068a285ff039b609f4551d522481f2dff8235e..da445644b1f2de9f80e8198a8ed150103627187b 100644
+index b48a663d73ded1633f85819b3c754cf6b60064e3..65b3a2c9acd0d2f1b990d9059ed319bc50d899b9 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -1209,7 +1209,7 @@ public class ServerPlayer extends Player {
@@ -89,7 +89,7 @@ index 71068a285ff039b609f4551d522481f2dff8235e..da445644b1f2de9f80e8198a8ed15010
  
                  playerlist.sendPlayerPermissionLevel(this);
 diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index ea0628515793f9a4aad5d41def90eb3034a81680..de8c48f6d3ab7eb15e934b323986ea1120ac585a 100644
+index 1f8818dd98b8d9b5eb278b5a0f3ea36971c641fa..c8a56234a4f2e0c045e7ba6cec9eb8127f03255f 100644
 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 @@ -3176,7 +3176,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@@ -102,7 +102,7 @@ index ea0628515793f9a4aad5d41def90eb3034a81680..de8c48f6d3ab7eb15e934b323986ea11
      }
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 33894e96a54039d5b406c552d8a5db6e17037151..4bb4df79dbe65fd5a6f53df64890eaa582724972 100644
+index c2cafdacde4edef8674b96fd8614a47b6af4b64b..71da3ebf372b63119fadbe2412aa02dce61086b4 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -955,8 +955,8 @@ public final class CraftServer implements Server {
@@ -117,7 +117,7 @@ index 33894e96a54039d5b406c552d8a5db6e17037151..4bb4df79dbe65fd5a6f53df64890eaa5
              for (SpawnCategory spawnCategory : SpawnCategory.values()) {
                  if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 357b82e110b789b7a12735a844a9c7e720b4f479..664389b1f37acee12cdd4bdd6fc0b9d3e6f568fb 100644
+index 729c3c273e2393674f30af1cfb0ab0dcf0fb3e20..c74d14e6a78b103fe2bffa8d69b5e7e20215781c 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -1158,7 +1158,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {

patches/server/0414-Add-Plugin-Tickets-to-API-Chunk-Methods.patch

@@ -22,7 +22,7 @@ wants it to collect even faster, they can restore that setting back to 1 instead
 Not adding it to .getType() though to keep behavior consistent with vanilla for performance reasons.
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 4bb4df79dbe65fd5a6f53df64890eaa582724972..776b3d4d165303715e70c44689bb556541cb7582 100644
+index 71da3ebf372b63119fadbe2412aa02dce61086b4..a25cc6f7d91100b98996d9f07fff3c62018ddf86 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -377,7 +377,7 @@ public final class CraftServer implements Server {
@@ -44,7 +44,7 @@ index 4bb4df79dbe65fd5a6f53df64890eaa582724972..776b3d4d165303715e70c44689bb5565
          this.printSaveWarning = false;
          this.console.autosavePeriod = this.configuration.getInt("ticks-per.autosave");
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index cb053e6c8f3cc1346a679354696e0fa0b6d3a150..36d7c41505d41443e6034dfc88ce177fe47d980f 100644
+index c74d14e6a78b103fe2bffa8d69b5e7e20215781c..95f3b5d9293077e2933b0a0a91bfeb43b6efc6fe 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -282,7 +282,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@@ -115,7 +115,7 @@ index cb053e6c8f3cc1346a679354696e0fa0b6d3a150..36d7c41505d41443e6034dfc88ce177f
 +        world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 0, Unit.INSTANCE); // Paper
          world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
          return true;
-         // Paper end
+         // Paper end - Optimize this method
 @@ -2260,6 +2275,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
          io.papermc.paper.chunk.system.ChunkSystem.scheduleChunkLoad(this.getHandle(), x, z, gen, ChunkStatus.FULL, true, priority, (c) -> {
              net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {

patches/server/0437-Fix-SpawnChangeEvent-not-firing-for-all-use-cases.patch

@@ -5,12 +5,12 @@ Subject: [PATCH] Fix SpawnChangeEvent not firing for all use-cases
 
 
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 8a7dd236435b08e0857041641eec9edcef936503..3be046b4062e9eb9e642c17ba43b4d446e6ba9d7 100644
+index 135dc03be7e81306dacaf7d10359ea10529d8303..4b7c3b71a15a3e223ea1e8366be31130bc5e5504 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -2034,9 +2034,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
      public void setDefaultSpawnPos(BlockPos pos, float angle) {
-         // Paper - configurable spawn radius
+         // Paper start - Configurable Keep Spawn Loaded range per world
          BlockPos prevSpawn = this.getSharedSpawnPos();
 +        Location prevSpawnLoc = this.getWorld().getSpawnLocation(); // Paper - Call SpawnChangeEvent
          //ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(new BlockPosition(this.worldData.a(), 0, this.worldData.c()));
@@ -21,7 +21,7 @@ index 8a7dd236435b08e0857041641eec9edcef936503..3be046b4062e9eb9e642c17ba43b4d44
              // if this keepSpawnInMemory is false a plugin has already removed our tickets, do not re-add
              this.removeTicketsForSpawn(this.paperConfig().spawn.keepSpawnLoadedRange * 16, prevSpawn);
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 36d7c41505d41443e6034dfc88ce177fe47d980f..4fe507969849f8abd12aadb6943a8a2fce27b5b5 100644
+index 95f3b5d9293077e2933b0a0a91bfeb43b6efc6fe..d6d49854eede2b9005725969c6c062168c4b2fce 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -262,12 +262,14 @@ public class CraftWorld extends CraftRegionAccessor implements World {

patches/server/0439-Do-not-let-the-server-load-chunks-from-newer-version.patch

@@ -9,7 +9,7 @@ the game, immediately stop the server to prevent data corruption.
 You can override this functionality at your own peril.
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
-index 02beedb84a8bec001270116c6ce496db012e6b8a..08abe8064f01b20aae0c7a018e11fe2ef42de71b 100644
+index 0341d9e951366b77e7eeac7cdaa950af62c88aab..0ef8ecc7932107029d85e961e2e747d7312d816e 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 @@ -124,8 +124,20 @@ public class ChunkSerializer {
@@ -31,5 +31,5 @@ index 02beedb84a8bec001270116c6ce496db012e6b8a..08abe8064f01b20aae0c7a018e11fe2e
 +            }
 +        }
          // Paper end
-         ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
+         ChunkPos chunkcoordintpair1 = new ChunkPos(nbt.getInt("xPos"), nbt.getInt("zPos")); // Paper - guard against serializing mismatching coordinates; diff on change, see ChunkSerializer#getChunkCoordinate
  

patches/server/0455-Expose-the-Entity-Counter-to-allow-plugins-to-use-va.patch

@@ -6,10 +6,10 @@ Subject: [PATCH] Expose the Entity Counter to allow plugins to use valid and
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 8a613a8a874b8b3949630fcadc25cf39b7fb0659..9b723b5c429fcb356cc056dc56e1c7be1d20a728 100644
+index 961cd2886ca2fdafdeb958ee714e3d436bd7f330..b56ee5c771d1316e05eba29a8e9d3e9d4468b83c 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -4510,4 +4510,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4508,4 +4508,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
  
          void accept(Entity entity, double x, double y, double z);
      }

patches/server/0457-Entity-isTicking.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Entity#isTicking
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 9b723b5c429fcb356cc056dc56e1c7be1d20a728..bf7d307c26c52035f3799ca80dccc8e8798d8f89 100644
+index b56ee5c771d1316e05eba29a8e9d3e9d4468b83c..f8acf77f5157cdee4e40d03b571a830aa726ba70 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -4515,5 +4515,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4513,5 +4513,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      public static int nextEntityId() {
          return ENTITY_COUNTER.incrementAndGet();
      }

patches/server/0497-MC-4-Fix-item-position-desync.patch

@@ -28,10 +28,10 @@ index 05ac41e136da43284fb24a6b698ebd36318278fb..3c4ac79c094dc2fff7de94150a34b7bf
  
      public Vec3 decode(long x, long y, long z) {
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 180f87a67c84fc0cf3f54755da9801365d4158f8..9085eeffaa7b50e5e59a794d0323cae83248f242 100644
+index dc957fce9f6b5709d6f74fa66a99235d8933d8cc..17152781725a6cf0e1ce5da8374fb3a74cb84351 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -4286,6 +4286,16 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4284,6 +4284,16 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
              return;
          }
          // Paper end - rewrite chunk system

patches/server/0634-Optimize-indirect-passenger-iteration.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Optimize indirect passenger iteration
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 72f50fe74695e32167d414c1c9ee38deb95afb79..8b84de55028a9c4d65fe5ae99b808f0d84ce6799 100644
+index e6142fc4ac6fe6149f6094124223cdebd56e7b76..2b34c7bc49fff37b6e0a603b6670103fe959fe2a 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -3926,20 +3926,34 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -3924,20 +3924,34 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      }
  
      private Stream<Entity> getIndirectPassengersStream() {
@@ -43,7 +43,7 @@ index 72f50fe74695e32167d414c1c9ee38deb95afb79..8b84de55028a9c4d65fe5ae99b808f0d
          return () -> {
              return this.getIndirectPassengersStream().iterator();
          };
-@@ -3962,6 +3976,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -3960,6 +3974,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      // Paper end - rewrite chunk system
  
      public boolean hasExactlyOnePlayerPassenger() {

patches/server/0658-Add-paper-mobcaps-and-paper-playermobcaps.patch

@@ -257,7 +257,7 @@ index 0000000000000000000000000000000000000000..d3b39d88a72ca25057fd8574d32f28db
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
-index 9df761f5cf043e8d2dffa711c20ab32fe2992331..48cc5623973713e07d95639e5359fc15e59785cc 100644
+index 4aa2a174400fe879501571c175d5ac4d09ac7de3..6fbd136f4bbfa34ef88a7743c63a542ed0cc2c02 100644
 --- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 @@ -190,6 +190,16 @@ public final class NaturalSpawner {
@@ -275,10 +275,10 @@ index 9df761f5cf043e8d2dffa711c20ab32fe2992331..48cc5623973713e07d95639e5359fc15
 +    // Paper end - Add mobcaps commands
 +
      public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
-         // Paper start - add parameters and int ret type
+         // Paper start - Optional per player mob spawns
          spawnCategoryForChunk(group, world, chunk, checker, runner, Integer.MAX_VALUE, null);
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index f4b1d6ed1e1065e6be175b7b68e29517ebfa2da8..9491eb5b47defd7949fe2e691d63d3767be1f337 100644
+index 775e40dc356406cf289807abb83cda5ca186563f..b603541d56c7cee7aff8d3448d18c76cd72b63cb 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -2279,6 +2279,11 @@ public final class CraftServer implements Server {
@@ -294,7 +294,7 @@ index f4b1d6ed1e1065e6be175b7b68e29517ebfa2da8..9491eb5b47defd7949fe2e691d63d376
      }
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 305a525815d7a3ea3f5dd3c093a76af0252c2f7e..b49580716ff1dc85adcd466d1df9ce678a58546f 100644
+index 189c0ab39f56e7a6d92aa6ee24f29a232b446cdf..3dc6f7f376f845ec36663d147a2e08ecc077700a 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -1761,9 +1761,14 @@ public class CraftWorld extends CraftRegionAccessor implements World {

patches/server/0673-Attempt-to-recalculate-regionfile-header-if-it-is-co.patch

@@ -10,7 +10,7 @@ hoping that at least then we don't swap chunks, and maybe recover
 them all.
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
-index a95909bc818f395ce5772c5129f9cc9b789ce133..72cfe25cbc2076bc83c9f965ab70b0e636800212 100644
+index 0ef8ecc7932107029d85e961e2e747d7312d816e..c09d42c03e1e430dd65218e8297be9e35cdef030 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
 @@ -70,6 +70,18 @@ import net.minecraft.world.ticks.ProtoChunkTicks;
@@ -42,7 +42,7 @@ index a95909bc818f395ce5772c5129f9cc9b789ce133..72cfe25cbc2076bc83c9f965ab70b0e6
          nbttagcompound.putString("Status", BuiltInRegistries.CHUNK_STATUS.getKey(chunk.getStatus()).toString());
          BlendingData blendingdata = chunk.getBlendingData();
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
-index 7f7c05c498dfe11842a0c35d6e8c2c428cf7647b..4a84ada69c6abc8f2743579d4451e639836274b4 100644
+index cccc3741227402b24c76d31a339d01323610b9f0..2f7c9e0e62599688c0ed2e05444bce5040035a99 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
 @@ -41,7 +41,7 @@ public class ChunkStorage implements AutoCloseable {
@@ -87,7 +87,7 @@ index c8298a597818227de33a4afce4698ec0666cf758..6762b0f71ea9e369bb77103b7f193898
          this.used.set(start, start + size);
      }
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
-index 647ce340c81606ab86d33e1f9dec1fb0afc262d8..2c951dfb17a11bd81c19080a1f8f498f8e534cff 100644
+index 0ae3d1ea6f00efcdea5da5bf1a0f984f4473f5a2..1f8fa4a054ed1c76688d1a919ea170587fb4806f 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 @@ -50,6 +50,355 @@ public class RegionFile implements AutoCloseable {
@@ -685,7 +685,7 @@ index 647ce340c81606ab86d33e1f9dec1fb0afc262d8..2c951dfb17a11bd81c19080a1f8f498f
          return bytebuffer;
      }
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-index 9fa07295bf73317a4c2bbbbaf1918393c891f09a..a2794ec3d846136da64b6888d846587499a5f635 100644
+index 9e30b47ece5549c30f487e5542ae65d5faaa8c39..156cecae8ea7ffbc38974829942a1c92e828eca9 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
 @@ -24,6 +24,7 @@ public class RegionFileStorage implements AutoCloseable {
@@ -727,7 +727,7 @@ index 9fa07295bf73317a4c2bbbbaf1918393c891f09a..a2794ec3d846136da64b6888d8465874
  
              this.regionCache.putAndMoveToFirst(i, regionfile1);
              // Paper start
-@@ -216,6 +223,13 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -188,6 +195,13 @@ public class RegionFileStorage implements AutoCloseable {
          if (regionfile == null) {
              return null;
          }
@@ -741,7 +741,7 @@ index 9fa07295bf73317a4c2bbbbaf1918393c891f09a..a2794ec3d846136da64b6888d8465874
          // CraftBukkit end
          try { // Paper
          DataInputStream datainputstream = regionfile.getChunkDataInputStream(pos);
-@@ -232,6 +246,20 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -204,6 +218,20 @@ public class RegionFileStorage implements AutoCloseable {
              try {
                  if (datainputstream != null) {
                      nbttagcompound = NbtIo.read((DataInput) datainputstream);

patches/server/0675-Detail-more-information-in-watchdog-dumps.patch

@@ -76,7 +76,7 @@ index 7de24c39b460e43d27839b3821e67213508ece81..7297bca9224c12d7ace0e1967340d994
              });
              throw RunningOnDifferentThreadException.RUNNING_ON_DIFFERENT_THREAD;
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 922639eee09ff9878a979ebfdaa36f865746cbdd..c6c69ea8a471eff84256f1a66d4eda98f55c269e 100644
+index dcbcb1df7a8c1e5f78b8f202e4207afc1054a414..ec2a8656148b7ccdf519ce6d13494d22dadc0789 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -1244,7 +1244,26 @@ public class ServerLevel extends Level implements WorldGenLevel {
@@ -122,7 +122,7 @@ index 922639eee09ff9878a979ebfdaa36f865746cbdd..c6c69ea8a471eff84256f1a66d4eda98
  
      private void tickPassenger(Entity vehicle, Entity passenger) {
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index f3f12e2394a85fd49ba0bc14944b0f073ca5fecc..bbc8a7f27ffdeda8f994b04213e631e1b82ee67c 100644
+index b9d70f71b2b03190e329d1f843b54ac4c73543ab..054825419c98351af15309ecfa007fd7e1ee1bea 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -1031,7 +1031,42 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -182,7 +182,7 @@ index f3f12e2394a85fd49ba0bc14944b0f073ca5fecc..bbc8a7f27ffdeda8f994b04213e631e1
      }
  
      private boolean isStateClimbable(BlockState state) {
-@@ -4272,7 +4314,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4270,7 +4312,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
      }
  
      public void setDeltaMovement(Vec3 velocity) {
@@ -192,7 +192,7 @@ index f3f12e2394a85fd49ba0bc14944b0f073ca5fecc..bbc8a7f27ffdeda8f994b04213e631e1
      }
  
      public void addDeltaMovement(Vec3 velocity) {
-@@ -4375,7 +4419,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4373,7 +4417,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
          }
          // Paper end - Fix MC-4
          if (this.position.x != x || this.position.y != y || this.position.z != z) {

patches/server/0710-Only-write-chunk-data-to-disk-if-it-serializes-witho.patch

@@ -8,7 +8,7 @@ This ensures at least a valid version of the chunk exists
 on disk, even if outdated
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
-index 2c951dfb17a11bd81c19080a1f8f498f8e534cff..b0fa77d298ad1476fdc2433b0308276068e53a71 100644
+index 1f8fa4a054ed1c76688d1a919ea170587fb4806f..50de979a447171ab98de59bf25b6c82871d03543 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 @@ -1003,6 +1003,9 @@ public class RegionFile implements AutoCloseable {
@@ -47,12 +47,12 @@ index 2c951dfb17a11bd81c19080a1f8f498f8e534cff..b0fa77d298ad1476fdc2433b03082760
              ByteBuffer bytebuffer = ByteBuffer.wrap(this.buf, 0, this.count);
  
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-index a2794ec3d846136da64b6888d846587499a5f635..6bec4549fbcfb68a053300451e25babf8ff38e99 100644
+index 156cecae8ea7ffbc38974829942a1c92e828eca9..a25e7183da64f726773aa279707ae67941246b46 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
-@@ -342,10 +342,17 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -314,10 +314,17 @@ public class RegionFileStorage implements AutoCloseable {
                  NbtIo.write(nbt, (DataOutput) dataoutputstream);
-                 regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
+                 regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - Cache chunk status
                  regionfile.setOversized(pos.x, pos.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone
 +                dataoutputstream.close(); // Paper - only write if successful
 +                // Paper start - don't write garbage data to disk if writing serialization fails
@@ -69,7 +69,7 @@ index a2794ec3d846136da64b6888d846587499a5f635..6bec4549fbcfb68a053300451e25babf
                      } catch (Throwable throwable1) {
                          throwable.addSuppressed(throwable1);
                      }
-@@ -353,10 +360,7 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -325,10 +332,7 @@ public class RegionFileStorage implements AutoCloseable {
  
                  throw throwable;
              }
@@ -81,7 +81,7 @@ index a2794ec3d846136da64b6888d846587499a5f635..6bec4549fbcfb68a053300451e25babf
          }
          // Paper start
          return;
-@@ -402,4 +406,13 @@ public class RegionFileStorage implements AutoCloseable {
+@@ -374,4 +378,13 @@ public class RegionFileStorage implements AutoCloseable {
          }
  
      }

patches/server/0711-Fix-tripwire-state-inconsistency.patch

@@ -41,7 +41,7 @@ index 003fd247b12323cca5fd82a6cdf31bd897afd682..a93a085b2e9564a2ff950fff505d856b
                      } else if (iblockdata1.is((Block) this)) {
                          ++k;
 diff --git a/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java b/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
-index 02b62ac13d4968f80cb0ae3702755d0f1d95e692..0f6ea0adb4b99d934e1a3fcb92562dffb2a45f63 100644
+index d9b3877257b31ca1b5acc4a47fbf5b993de69ae0..7f2dcf6a9e69779e6f898284b58fb1e32902000c 100644
 --- a/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/TripWireHookBlock.java
 @@ -118,7 +118,13 @@ public class TripWireHookBlock extends Block {
@@ -82,6 +82,6 @@ index 02b62ac13d4968f80cb0ae3702755d0f1d95e692..0f6ea0adb4b99d934e1a3fcb92562dff
              TripWireHookBlock.emitState(world, pos, flag4, flag5, flag2, flag3);
 -            if (!flag) {
 +            if (!beingRemoved) { // Paper - fix tripwire state inconsistency
-                 if (world.getBlockState(pos).getBlock() == Blocks.TRIPWIRE_HOOK) // Paper - validate
+                 if (world.getBlockState(pos).getBlock() == Blocks.TRIPWIRE_HOOK) // Paper - Validate tripwire hook placement before update
                  world.setBlock(pos, (BlockState) iblockdata3.setValue(TripWireHookBlock.FACING, enumdirection), 3);
                  if (flag1) {

patches/server/0831-Fix-a-bunch-of-vanilla-bugs.patch

@@ -113,12 +113,12 @@ index 6cd6d69a20e95e344fc18ab67dc300824537a59b..2e2a7c2cf3081187da817479a9da3eb1
              }
          }
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 534493aaddced9200e1618d5eabf2b176a1f35b6..a58c47b16254262ec705a8f986ef42c71503770d 100644
+index b303603178a9de5f14bede9e601f80cfb44ecc91..bf78917f1e356dc3b7d7bcedffab282978a35917 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -898,7 +898,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      }
-     // Paper end
+     // Paper end - Cache chunk status on disk
  
 -    boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) {
 +    public boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) { // Paper - public
@@ -126,7 +126,7 @@ index 534493aaddced9200e1618d5eabf2b176a1f35b6..a58c47b16254262ec705a8f986ef42c7
          return this.anyPlayerCloseEnoughForSpawning(pos, false);
      }
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 82a71a150c555dd4dfe0ce03a3addba53fda5387..9ef3445aadf98d205a60803f459d07c4ac820ba9 100644
+index 43d14fac84b932c0a5a94dd6b01c22c1a289b8c2..f594998de4ff40b56d039bc48721f6b53f0a1ec0 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -1032,7 +1032,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@@ -139,7 +139,7 @@ index 82a71a150c555dd4dfe0ce03a3addba53fda5387..9ef3445aadf98d205a60803f459d07c4
  
              if (!list.isEmpty()) {
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index d27793e21f9352896a96d5ccfdd0281b0b102a03..6cf989b4827b78d25bcb0ad4b683b6b1569e12dd 100644
+index aad7e1d9e17a0daa8697c13d1ef8cf7331cdf001..142094dcdfd9ba1c4cb77107d17f4c6b28888e7e 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -468,14 +468,14 @@ public class ServerPlayer extends Player {
@@ -160,7 +160,7 @@ index d27793e21f9352896a96d5ccfdd0281b0b102a03..6cf989b4827b78d25bcb0ad4b683b6b1
              while (!world.noCollision(this, this.getBoundingBox(), true) && this.getY() < (double) (world.getMaxBuildHeight() - 1)) { // Paper - make sure this loads chunks, we default to NOT loading now
                  this.setPos(this.getX(), this.getY() + 1.0D, this.getZ());
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
-index c14ab35c4336c025c242e8a350ac4b8d1b1d5c78..15f6bd2e61c02392e8383dc93d734990c8c7edca 100644
+index aad371a281486631151388ee2348ffaa2a465bc5..8b339ad425d4021b859126d763adf393cb0e86c5 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 @@ -92,7 +92,7 @@ public class ServerPlayerGameMode {
@@ -173,7 +173,7 @@ index c14ab35c4336c025c242e8a350ac4b8d1b1d5c78..15f6bd2e61c02392e8383dc93d734990
              this.player.server.getPlayerList().broadcastAll(new ClientboundPlayerInfoUpdatePacket(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_GAME_MODE, this.player), this.player); // CraftBukkit
              this.level.updateSleepingPlayerList();
 diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 92b88e82e9a49a0e967a7e694f1d2f4ade8adbf1..fbf388fe93383daf5e87e54a8a413a2239bfdc69 100644
+index b1f13c4d8de125a56b76bc85ccced039ac3c4785..b8213713b54e0bfaa0ddca41ec76f6840c0e1d20 100644
 --- a/src/main/java/net/minecraft/server/players/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/players/PlayerList.java
 @@ -711,8 +711,10 @@ public abstract class PlayerList {
@@ -298,7 +298,7 @@ index 110dd5418b0512a2f27f0c4d5a5f1812356a6a12..5d247ac38fe8a61603b3d934f3000bcd
              }
  
 diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
-index 7a990fb47f39da00026d3005d5bb11d3abd14026..ea5fffa7e045d854ce9522f00246e3746f40f028 100644
+index 56cc6ecf7f95687db7c7c062b4ee979bfe49844b..94dd97662ba07689fbfa16ef5c7d99fe12ce83de 100644
 --- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
 +++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
 @@ -252,7 +252,13 @@ public abstract class AbstractHorse extends Animal implements ContainerListener,
@@ -474,7 +474,7 @@ index 0813e7510c43ed6916e83635f2be6d39ce2feb5b..137ee0271f1d7adbf3c463b96e9c4627
      }
  }
 diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
-index d3e2fd7fcfeec133a7baa0007c979c9e379c2f10..1ef558bdd27e9b64413e64f0fa9c68a35f43c39d 100644
+index 83a5417d14e89c3e582e400543fe41f129bbbf3b..5ea2cad4031d69f0204e3094d9ac5d127ef2438c 100644
 --- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
 +++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
 @@ -291,7 +291,11 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name

patches/server/0859-Friction-API.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Friction API
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index c726af466c1156a3b2c1ee18d1ac1b4613ee2431..0e66212733665307840d10bd6ea049d45f674ddb 100644
+index f039ea2716efa3fabf041f75388c2c9b7f41948f..03beb4cf21d98d2b7439c5d548dc1dae51482d9b 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
 @@ -261,6 +261,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -55,13 +55,13 @@ index c726af466c1156a3b2c1ee18d1ac1b4613ee2431..0e66212733665307840d10bd6ea049d4
          if (nbt.contains("Attributes", 9) && this.level() != null && !this.level().isClientSide) {
              this.getAttributes().load(nbt.getList("Attributes", 10));
 diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
-index e19a0f1fac3dd04927f73f3d11a921ffc4608388..491a521f0e5e272fbad7870fa3adefdea22e179f 100644
+index 13efea97d1836a48ef4c0e077a61571d9c171a0e..635f93b4205bd11a8080fbc1db53aa2430aacb77 100644
 --- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
 @@ -57,6 +57,7 @@ public class ItemEntity extends Entity implements TraceableEntity {
      private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
      public boolean canMobPickup = true; // Paper
-     private int despawnRate = -1; // Paper
+     private int despawnRate = -1; // Paper - Alternative item-despawn-rate
 +    public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper - Friction API
  
      public ItemEntity(EntityType<? extends ItemEntity> type, Level world) {
@@ -110,7 +110,7 @@ index e19a0f1fac3dd04927f73f3d11a921ffc4608388..491a521f0e5e272fbad7870fa3adefde
  
          this.setItem(ItemStack.of(nbttagcompound1));
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
-index b1bbab951ef9a3d2bd98cc54665ba824263542eb..81498941748d646ebe6495f4a7ce6953532144c6 100644
+index cbfd4cf1d7d32757cf124d1aaa4b83d8a155868f..832def3c518be8d6d81e71f6022566e6179e2d17 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
 @@ -99,6 +99,18 @@ public class CraftItem extends CraftEntity implements Item {
@@ -133,7 +133,7 @@ index b1bbab951ef9a3d2bd98cc54665ba824263542eb..81498941748d646ebe6495f4a7ce6953
      public int getHealth() {
          return this.getHandle().health;
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
-index 9de132dc39f2af083b2f60d6344b9a9635c1de83..45ebd9ffc37163e3a11c80c15b41c5aeed2b6983 100644
+index d12734b0c6b10ca8997a79e06fc9791abe0e9ed5..97c7bb2032584847f2f8a946c1f8d13fef908edf 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
 @@ -1083,6 +1083,18 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {

patches/server/0863-Player-Entity-Tracking-Events.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Player Entity Tracking Events
 
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index a58c47b16254262ec705a8f986ef42c71503770d..8c5364e6adecc01f4fa9dcd0b4fd18e81324d1a9 100644
+index bf78917f1e356dc3b7d7bcedffab282978a35917..6420a6c16a8c3f0f45649834fe40e1939d1fead7 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1409,7 +1409,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@@ -21,10 +21,10 @@ index a58c47b16254262ec705a8f986ef42c71503770d..8c5364e6adecc01f4fa9dcd0b4fd18e8
                  } else if (this.seenBy.remove(player.connection)) {
                      this.serverEntity.removePairing(player);
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 0c1cb3d5892b81b9f8a1894e429bc237c877298d..ee3dac1d45e0ab85cd21871029650fbed7310a34 100644
+index 98f7248920a25930ac813e22bbd816294f06d057..6e1c088a234ff4c93ea790c46f1e1f015fc24bec 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -4107,7 +4107,14 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4105,7 +4105,14 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
  
      public void startSeenByPlayer(ServerPlayer player) {}
  

patches/server/0873-Improve-PortalEvents.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Improve PortalEvents
 
 
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index ee3dac1d45e0ab85cd21871029650fbed7310a34..30e831bc4409260047016279aa5f36d2ad2934b4 100644
+index 6e1c088a234ff4c93ea790c46f1e1f015fc24bec..805f438e4b7a03393424c2ba11bf1f7fc4822f52 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
-@@ -3765,7 +3765,14 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -3763,7 +3763,14 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
          Location enter = bukkitEntity.getLocation();
          Location exit = CraftLocation.toBukkit(exitPosition, exitWorldServer.getWorld());
  

patches/server/0946-Folia-scheduler-and-owned-region-API.patch

@@ -1148,7 +1148,7 @@ index 0000000000000000000000000000000000000000..d306f911757a4d556c82c0070d4837db
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index e9ec17c4dfb44f6f562dedd20d123064492ef736..ffb87573b1c5df4e6f4d36d0331738da221e0f38 100644
+index addb4133295739ea19e0e770e040698411399944..5caa39b529c6c0798d91e8e8468b40988f6fb987 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -1629,6 +1629,20 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@@ -1173,7 +1173,7 @@ index e9ec17c4dfb44f6f562dedd20d123064492ef736..ffb87573b1c5df4e6f4d36d0331738da
          this.profiler.push("commandFunctions");
          MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot // Paper
 diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 79e2fbad2c03d6187671a073553a573022aeb060..5ee35035639374185c18477c9b9ab0dc8a2fae20 100644
+index 09397946cb9fa82e20772ea981bdadbc6a5c93c7..7c02d16a859f1cf1b24a01099af4ee29f5621e00 100644
 --- a/src/main/java/net/minecraft/server/players/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/players/PlayerList.java
 @@ -649,6 +649,7 @@ public abstract class PlayerList {
@@ -1185,7 +1185,7 @@ index 79e2fbad2c03d6187671a073553a573022aeb060..5ee35035639374185c18477c9b9ab0dc
          this.players.remove(entityplayer);
          this.playersByName.remove(entityplayer.getScoreboardName().toLowerCase(java.util.Locale.ROOT)); // Spigot
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index d29ded9946138418af7c993fba6267e16a24c00c..037f21e5cfe1c399c708721d26b456583cd3d924 100644
+index a5a57d1be35e911e26a9f10ee413db34f3637086..e29794df5b84649a710e8181c6a550105d6800e9 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -249,11 +249,23 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -1213,7 +1213,7 @@ index d29ded9946138418af7c993fba6267e16a24c00c..037f21e5cfe1c399c708721d26b45658
      @Override
      public CommandSender getBukkitSender(CommandSourceStack wrapper) {
          return this.getBukkitEntity();
-@@ -4736,6 +4748,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4734,6 +4746,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
              return;
          }
          // Paper end - rewrite chunk system
@@ -1221,7 +1221,7 @@ index d29ded9946138418af7c993fba6267e16a24c00c..037f21e5cfe1c399c708721d26b45658
          if (this.removalReason == null) {
              this.removalReason = reason;
          }
-@@ -4746,12 +4759,28 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
+@@ -4744,12 +4757,28 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
  
          if (reason != RemovalReason.UNLOADED_TO_CHUNK) this.getPassengers().forEach(Entity::stopRiding); // Paper - chunk system - don't adjust passenger state when unloading, it's just not safe (and messes with our logic in entity chunk unload)
          this.levelCallback.onRemove(reason);
@@ -1251,7 +1251,7 @@ index d29ded9946138418af7c993fba6267e16a24c00c..037f21e5cfe1c399c708721d26b45658
      public void setLevelCallback(EntityInLevelCallback changeListener) {
          this.levelCallback = changeListener;
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 5f24bab8b21452e502af70a925ceeaecbedd4a6c..78acd7d97608c4862f1d39e36785d3f396cd0019 100644
+index 50868ed5d90c404cb5da05956c879ca0f090455c..74b0a638c3f8098895c0855894d029f12fc55197 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -306,6 +306,76 @@ public final class CraftServer implements Server {

patches/server/0960-Improve-cancelling-PreCreatureSpawnEvent-with-per-pl.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Improve cancelling PreCreatureSpawnEvent with per player mob
 
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8c5364e6adecc01f4fa9dcd0b4fd18e81324d1a9..34edd2032abb9e444d7b67672dc72335216dbe82 100644
+index 2ef28c2506bb4490c04be35e71e0ebd17a2bee7c..198e1d360b2d76a2ec8bdcc3b1dc121a0d8430d4 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -386,8 +386,26 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@@ -35,10 +35,10 @@ index 8c5364e6adecc01f4fa9dcd0b4fd18e81324d1a9..34edd2032abb9e444d7b67672dc72335
 -        return entityPlayer.mobCounts[mobCategory.ordinal()];
 +        return entityPlayer.mobCounts[mobCategory.ordinal()] + entityPlayer.mobBackoffCounts[mobCategory.ordinal()]; // Paper - per player mob count backoff
      }
-     // Paper end
+     // Paper end - Optional per player mob spawns
  
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 1483007b79e18107e41037c279e048f04f666d1d..5152979bf81345fc365e7b16028c7d970d2f5856 100644
+index 32129fdd5b2542a0acb828fb843fa4e44533946c..dfecd5531862109cd89cfd8a041a8beef70c1a6a 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 @@ -539,7 +539,17 @@ public class ServerChunkCache extends ChunkSource {
@@ -61,19 +61,19 @@ index 1483007b79e18107e41037c279e048f04f666d1d..5152979bf81345fc365e7b16028c7d97
                      spawnercreature_d = NaturalSpawner.createState(naturalSpawnChunkCount, this.level.getAllEntities(), this::getFullChunk, null, true);
                  } else {
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 3abcb4470bbf8f83204532ff5f3f5e152866a9f0..e32a2ea53f61410f0470bdccf1e479af1a571469 100644
+index 1ff728159ba77145e14944a2fb453eab061ad01a..706af62b06c36d4bcc3fa1fea1dbf5dad0d53b54 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -260,6 +260,7 @@ public class ServerPlayer extends Player {
      public static final int MOBCATEGORY_TOTAL_ENUMS = net.minecraft.world.entity.MobCategory.values().length;
      public final int[] mobCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper
-     // Paper end - mob spawning rework
+     // Paper end - Optional per player mob spawns
 +    public final int[] mobBackoffCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper - per player mob count backoff
  
      // CraftBukkit start
      public String displayName;
 diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
-index 48cc5623973713e07d95639e5359fc15e59785cc..46d743db099e69e10f5534aafdd7aa5eda67dec9 100644
+index 6fbd136f4bbfa34ef88a7743c63a542ed0cc2c02..2d95450d664a60d11fdc962b0c85a9db7eb3363e 100644
 --- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
 @@ -277,6 +277,11 @@ public final class NaturalSpawner {
@@ -86,5 +86,5 @@ index 48cc5623973713e07d95639e5359fc15e59785cc..46d743db099e69e10f5534aafdd7aa5e
 +                                    }
 +                                    // Paper end - per player mob count backoff
                                      if (doSpawning == PreSpawnStatus.ABORT) {
-                                         return j; // Paper
+                                         return j; // Paper - Optional per player mob spawns
                                      }

patches/server/0963-Properly-handle-BlockBreakEvent-isDropItems.patch

@@ -9,7 +9,7 @@ food consumption, turtle egg count decreases, ice to water
 conversions and beehive releases
 
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
-index 41c647c46585d454f3b10a860a2b6d979d1199a3..9b32f0951d99db42b75ee6303842f97811d1906c 100644
+index 7c781820b31864999f8057ec1484f1353eb4f1ff..14d8cab88eb40560635fc51c00db225dd209dc88 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 @@ -433,8 +433,8 @@ public class ServerPlayerGameMode {
@@ -24,7 +24,7 @@ index 41c647c46585d454f3b10a860a2b6d979d1199a3..9b32f0951d99db42b75ee6303842f978
  
                      // return true; // CraftBukkit
 diff --git a/src/main/java/net/minecraft/world/level/block/BeehiveBlock.java b/src/main/java/net/minecraft/world/level/block/BeehiveBlock.java
-index ed87664f513cf82c7bf8439672a656d0a57c1991..80a362fb6c073dee086bf4a46128a1fe53d83f37 100644
+index a0ab721a01faccf216259c46e6d6f638426732c2..2d4a770ec7c0737eee6f06b32958716d50d230a1 100644
 --- a/src/main/java/net/minecraft/world/level/block/BeehiveBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/BeehiveBlock.java
 @@ -84,8 +84,8 @@ public class BeehiveBlock extends BaseEntityBlock {
@@ -77,7 +77,7 @@ index 0f0750f8c790d0db72a0e6b277449a1461674890..03b5ab8251497c0c94467f90e6663a0d
  
      protected static void preventDropFromBottomPart(Level world, BlockPos pos, BlockState state, Player player) {
 diff --git a/src/main/java/net/minecraft/world/level/block/IceBlock.java b/src/main/java/net/minecraft/world/level/block/IceBlock.java
-index f05998e0af1e844f19bf86b74f652a9901088c37..19f6e36daed6af02dca3bb88bb81000268264438 100644
+index 52c6c26a300cfd19c478afba411a17c8d5ea0c3c..9c8c1df5187daefb1c8098b4d4a0976c71a7bbfd 100644
 --- a/src/main/java/net/minecraft/world/level/block/IceBlock.java
 +++ b/src/main/java/net/minecraft/world/level/block/IceBlock.java
 @@ -33,8 +33,8 @@ public class IceBlock extends HalfTransparentBlock {
@@ -88,7 +88,7 @@ index f05998e0af1e844f19bf86b74f652a9901088c37..19f6e36daed6af02dca3bb88bb810002
 -        super.playerDestroy(world, player, pos, state, blockEntity, tool);
 +    public void playerDestroy(Level world, Player player, BlockPos pos, BlockState state, @Nullable BlockEntity blockEntity, ItemStack tool, boolean includeDrops, boolean dropExp) { // Paper - fix drops not preventing stats/food exhaustion
 +        super.playerDestroy(world, player, pos, state, blockEntity, tool, includeDrops, dropExp); // Paper - fix drops not preventing stats/food exhaustion
-         // Paper start
+         // Paper start - Improve Block#breakNaturally API
          this.afterDestroy(world, pos, tool);
      }
 diff --git a/src/main/java/net/minecraft/world/level/block/TurtleEggBlock.java b/src/main/java/net/minecraft/world/level/block/TurtleEggBlock.java

patches/server/0967-Configurable-Region-Compression-Format.patch

@@ -5,11 +5,11 @@ Subject: [PATCH] Configurable Region Compression Format
 
 
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
-index b0fa77d298ad1476fdc2433b0308276068e53a71..22de360e6775943c0c8bd5717c78d49b45e70d6d 100644
+index f629d026a946103e6e846663b0e63a1c0b7b82c4..08b99905f4e57e8b88f8da9683305937c110e1e9 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
 @@ -424,11 +424,11 @@ public class RegionFile implements AutoCloseable {
-     // Paper end
+     // Paper end - Cache chunk status
  
      public RegionFile(Path file, Path directory, boolean dsync) throws IOException {
 -        this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);

patches/server/0991-Actually-optimise-explosions.patch

@@ -34,7 +34,7 @@ The results indicate that this logic is 5 times faster than Vanilla
 and 2.3 times faster than Lithium.
 
 diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
-index 10f17478a148060ad2724bb5c79868cea3047ded..1fa02130dcb65b3109fde0cb612b538b1c4cd4cb 100644
+index 4d51baab29b1a913c3efef2cb4ab0cac6c8cf38a..1fa02130dcb65b3109fde0cb612b538b1c4cd4cb 100644
 --- a/src/main/java/net/minecraft/world/level/Explosion.java
 +++ b/src/main/java/net/minecraft/world/level/Explosion.java
 @@ -111,6 +111,271 @@ public class Explosion {
@@ -371,7 +371,7 @@ index 10f17478a148060ad2724bb5c79868cea3047ded..1fa02130dcb65b3109fde0cb612b538b
 -                            BlockPos blockposition = BlockPos.containing(d4, d5, d6);
 -                            BlockState iblockdata = this.level.getBlockState(blockposition);
 -                            if (!iblockdata.isDestroyable()) continue; // Paper - Protect Bedrock and End Portal/Frames from being destroyed
--                            FluidState fluid = iblockdata.getFluidState(); // Paper
+-                            FluidState fluid = iblockdata.getFluidState(); // Paper - Perf: Optimize call to getFluid for explosions
 +                            // Paper start - optimise explosions
 +                            final int blockX = Mth.floor(d4);
 +                            final int blockY = Mth.floor(d5);

patches/server/0995-Optimise-chunk-tick-iteration.patch

@@ -108,7 +108,7 @@ index 2b998bdbe49bf8211b755e0eb7c1bf13ac280eab..627a88ec8c3b215b19b55a6d461c8754
              List list;
  
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8984a159dbdaab16a1a69e98a504f6d9621bf69a..6a106d4b9db8265d1a62e7ae13b0f05596fa3587 100644
+index ce808a48478be3b310d33f4b28364f70f4cd3236..1b2b510cf5ea1799c1f5dec990cec52671e900a9 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -191,6 +191,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@@ -132,7 +132,7 @@ index 8984a159dbdaab16a1a69e98a504f6d9621bf69a..6a106d4b9db8265d1a62e7ae13b0f055
          super(session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync);
 @@ -409,7 +414,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
      }
-     // Paper end
+     // Paper end - Optional per player mob spawns
  
 -    private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
 +    public static double euclideanDistanceSquared(ChunkPos pos, Entity entity) { // Paper - optimise chunk iteration; public
@@ -187,7 +187,7 @@ index c80a625f7289e3bb33c6851d2072957e153ca1fb..7c425ac50c83757b66a2178bc19d4c92
  
      public String getDebugStatus() {
 diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
-index 5d8a3d4bd7be3092a1e2959d122f5bc1c87f0ae1..a9ec46a5a751b8b06046c58525f7f6d0894adc8f 100644
+index dfecd5531862109cd89cfd8a041a8beef70c1a6a..65a20974428ae1c0be2022d997234a16dc281292 100644
 --- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 +++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
 @@ -516,18 +516,10 @@ public class ServerChunkCache extends ChunkSource {
@@ -365,7 +365,7 @@ index 5d8a3d4bd7be3092a1e2959d122f5bc1c87f0ae1..a9ec46a5a751b8b06046c58525f7f6d0
              gameprofilerfiller.pop();
          }
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
-index 6f06262d358a7f63a2ea35c0fd70b0c5aaa96182..ad6fd14f7f19c20967906a8e01a4f76ee80aaf84 100644
+index 6ae35f3adce280e8be8e7e2f3bc4a0896ef6df83..84974c72dd3838ea118cc60c284709911cd7630b 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
 @@ -325,6 +325,9 @@ public class ServerPlayer extends Player {

patches/server/0996-Lag-compensation-ticks.patch

@@ -8,7 +8,7 @@ Areas affected by lag comepnsation:
  - Eating food items
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index ffb87573b1c5df4e6f4d36d0331738da221e0f38..947190e48a05f1212c85a507e52a7f56618efaf6 100644
+index 5caa39b529c6c0798d91e8e8468b40988f6fb987..09cf38a5d98fee1b73116d671c765ce17eb306d3 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -311,6 +311,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@@ -30,13 +30,13 @@ index ffb87573b1c5df4e6f4d36d0331738da221e0f38..947190e48a05f1212c85a507e52a7f56
              net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper - Perf: Optimize Hoppers
              worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - Add EntityMoveEvent
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index f66857ee0cdb3b110a0c3afedbc1c70bb3357a81..24145582ceb89406deb3d7fc3dfbe473c3d85229 100644
+index 9d65f0558c7c4db75ed6337dc241c01746933315..3cef73da0ac4cbf8104fa5dff8321f605287a580 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -570,6 +570,17 @@ public class ServerLevel extends Level implements WorldGenLevel {
          return player != null && player.level() == this ? player : null;
      }
-     // Paper end
+     // Paper end - optimise getPlayerByUUID
 +    // Paper start - lag compensation
 +    private long lagCompensationTick = net.minecraft.server.MinecraftServer.SERVER_INIT;
 +
@@ -52,7 +52,7 @@ index f66857ee0cdb3b110a0c3afedbc1c70bb3357a81..24145582ceb89406deb3d7fc3dfbe473
      // Add env and gen to constructor, IWorldDataServer -> WorldDataServer
      public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
-index 27d22a6aef3f71179ea102062f1338cce5d46fea..52aadf7336c1486ccf0d192e27b742f9e63cfe9b 100644
+index 96dd68d55dbcb4f6bf3f3096802e48ca50ab766e..b8c0f11a29ebc738a935d78e7a1e19914d43b533 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 @@ -124,7 +124,7 @@ public class ServerPlayerGameMode {
@@ -65,7 +65,7 @@ index 27d22a6aef3f71179ea102062f1338cce5d46fea..52aadf7336c1486ccf0d192e27b742f9
  
          if (this.hasDelayedDestroy) {
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index 768f1cb6b9a5f234be02f07a7ba84156e629fa03..5b2169737f831ba57ce7925cbe9a82c3cd712974 100644
+index a09ad0cdbc9f3eb2ac77836076292822991b3d08..3d8efaaeea5cf7582c23cbb48beecf8eaf98a03e 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
 @@ -3819,6 +3819,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -95,7 +95,7 @@ index 768f1cb6b9a5f234be02f07a7ba84156e629fa03..5b2169737f831ba57ce7925cbe9a82c3
  
 @@ -3885,7 +3894,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
  
-         if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper use override flag
+         if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper - Prevent consuming the wrong itemstack
              this.useItem = itemstack;
 -            this.useItemRemaining = itemstack.getUseDuration();
 +            // Paper start - lag compensate eating