diff --git a/Spigot-Server-Patches/0390-Asynchronous-chunk-IO-and-loading.patch b/Spigot-Server-Patches/0390-Asynchronous-chunk-IO-and-loading.patch
index 76cb500e43..53c93a4791 100644
--- a/Spigot-Server-Patches/0390-Asynchronous-chunk-IO-and-loading.patch
+++ b/Spigot-Server-Patches/0390-Asynchronous-chunk-IO-and-loading.patch
@@ -1,4 +1,4 @@
-From 69897be16837751a2d87f41c6fb978442000b145 Mon Sep 17 00:00:00 2001
+From e3c9ff6e47758371f5ee677cede836b6756b5af9 Mon Sep 17 00:00:00 2001
 From: Spottedleaf <Spottedleaf@users.noreply.github.com>
 Date: Sat, 13 Jul 2019 09:23:10 -0700
 Subject: [PATCH] Asynchronous chunk IO and loading
@@ -121,7 +121,7 @@ tasks required to be executed by the chunk load task (i.e lighting
 and some poi tasks).
 
 diff --git a/src/main/java/co/aikar/timings/WorldTimingsHandler.java b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
-index 27ce4a82..30bafb21 100644
+index 27ce4a828e..30bafb214b 100644
 --- a/src/main/java/co/aikar/timings/WorldTimingsHandler.java
 +++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
 @@ -61,6 +61,17 @@ public class WorldTimingsHandler {
@@ -161,7 +161,7 @@ index 27ce4a82..30bafb21 100644
  
      public static Timing getTickList(WorldServer worldserver, String timingsType) {
 diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
-index dbd14399..6916ed30 100644
+index dbd1439970..6916ed30c4 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
 @@ -1,5 +1,6 @@
@@ -237,7 +237,7 @@ index dbd14399..6916ed30 100644
 +    }
  }
 diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
-index 23626bef..1edcecd2 100644
+index 23626bef3a..1edcecd2ee 100644
 --- a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
 +++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
 @@ -9,6 +9,7 @@ import java.util.concurrent.Executors;
@@ -318,7 +318,7 @@ index 23626bef..1edcecd2 100644
  
 diff --git a/src/main/java/com/destroystokyo/paper/io/IOUtil.java b/src/main/java/com/destroystokyo/paper/io/IOUtil.java
 new file mode 100644
-index 00000000..5af0ac3d
+index 0000000000..5af0ac3d9e
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/IOUtil.java
 @@ -0,0 +1,62 @@
@@ -386,7 +386,7 @@ index 00000000..5af0ac3d
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java b/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java
 new file mode 100644
-index 00000000..4f10a831
+index 0000000000..4f10a8311e
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java
 @@ -0,0 +1,661 @@
@@ -1053,7 +1053,7 @@ index 00000000..4f10a831
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/PrioritizedTaskQueue.java b/src/main/java/com/destroystokyo/paper/io/PrioritizedTaskQueue.java
 new file mode 100644
-index 00000000..97f2e433
+index 0000000000..97f2e433c4
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/PrioritizedTaskQueue.java
 @@ -0,0 +1,277 @@
@@ -1336,7 +1336,7 @@ index 00000000..97f2e433
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/QueueExecutorThread.java b/src/main/java/com/destroystokyo/paper/io/QueueExecutorThread.java
 new file mode 100644
-index 00000000..ee906b59
+index 0000000000..ee906b594b
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/QueueExecutorThread.java
 @@ -0,0 +1,241 @@
@@ -1583,7 +1583,7 @@ index 00000000..ee906b59
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkLoadTask.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkLoadTask.java
 new file mode 100644
-index 00000000..305da478
+index 0000000000..305da47868
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkLoadTask.java
 @@ -0,0 +1,149 @@
@@ -1738,7 +1738,7 @@ index 00000000..305da478
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkSaveTask.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkSaveTask.java
 new file mode 100644
-index 00000000..60312b85
+index 0000000000..60312b85f9
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkSaveTask.java
 @@ -0,0 +1,112 @@
@@ -1856,7 +1856,7 @@ index 00000000..60312b85
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTask.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTask.java
 new file mode 100644
-index 00000000..1dfa8abf
+index 0000000000..1dfa8abfd8
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTask.java
 @@ -0,0 +1,40 @@
@@ -1902,7 +1902,7 @@ index 00000000..1dfa8abf
 +}
 diff --git a/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
 new file mode 100644
-index 00000000..2b20c159
+index 0000000000..2b20c159f6
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/io/chunk/ChunkTaskManager.java
 @@ -0,0 +1,492 @@
@@ -2399,7 +2399,7 @@ index 00000000..2b20c159
 +
 +}
 diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
-index 262055fc..68bac9a3 100644
+index 262055fccd..68bac9a3c0 100644
 --- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
 +++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
 @@ -297,11 +297,137 @@ public class ChunkProviderServer extends IChunkProvider {
@@ -2569,7 +2569,7 @@ index 262055fc..68bac9a3 100644
          } finally {
              playerChunkMap.callbackExecutor.run();
 diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
-index 8816c90e..1298a07d 100644
+index 8816c90e2d..1298a07dc7 100644
 --- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
 +++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
 @@ -6,6 +6,7 @@ import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
@@ -2834,7 +2834,7 @@ index 8816c90e..1298a07d 100644
  
          nbttagcompound1.set("PostProcessing", a(ichunkaccess.l()));
 diff --git a/src/main/java/net/minecraft/server/ChunkStatus.java b/src/main/java/net/minecraft/server/ChunkStatus.java
-index 134a4f0b..40ce30cd 100644
+index 134a4f0b7d..40ce30cdc2 100644
 --- a/src/main/java/net/minecraft/server/ChunkStatus.java
 +++ b/src/main/java/net/minecraft/server/ChunkStatus.java
 @@ -153,6 +153,7 @@ public class ChunkStatus {
@@ -2870,7 +2870,7 @@ index 134a4f0b..40ce30cd 100644
          return this.c() >= chunkstatus.c();
      }
 diff --git a/src/main/java/net/minecraft/server/IAsyncTaskHandler.java b/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
-index 7e5ece9d..cfe43e88 100644
+index 7e5ece9d50..cfe43e882e 100644
 --- a/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
 +++ b/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
 @@ -91,7 +91,7 @@ public abstract class IAsyncTaskHandler<R extends Runnable> implements Mailbox<R
@@ -2883,7 +2883,7 @@ index 7e5ece9d..cfe43e88 100644
              ;
          }
 diff --git a/src/main/java/net/minecraft/server/IChunkLoader.java b/src/main/java/net/minecraft/server/IChunkLoader.java
-index 2f95174f..134c7606 100644
+index 2f95174fcc..134c76065b 100644
 --- a/src/main/java/net/minecraft/server/IChunkLoader.java
 +++ b/src/main/java/net/minecraft/server/IChunkLoader.java
 @@ -3,37 +3,49 @@ package net.minecraft.server;
@@ -3008,7 +3008,7 @@ index 2f95174f..134c7606 100644
 +//    Paper end
  }
 diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
-index 2dcecc1b..d9941b38 100644
+index 2dcecc1bbd..d9941b38ca 100644
 --- a/src/main/java/net/minecraft/server/MCUtil.java
 +++ b/src/main/java/net/minecraft/server/MCUtil.java
 @@ -627,4 +627,9 @@ public final class MCUtil {
@@ -3022,7 +3022,7 @@ index 2dcecc1b..d9941b38 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 7ca4a7cc..61fc659e 100644
+index 7ca4a7cca8..61fc659ed2 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -777,6 +777,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -3034,7 +3034,7 @@ index 7ca4a7cc..61fc659e 100644
  
      public String getServerIp() {
 diff --git a/src/main/java/net/minecraft/server/NextTickListEntry.java b/src/main/java/net/minecraft/server/NextTickListEntry.java
-index e9c405fb..33cfeabd 100644
+index e9c405fb53..33cfeabdee 100644
 --- a/src/main/java/net/minecraft/server/NextTickListEntry.java
 +++ b/src/main/java/net/minecraft/server/NextTickListEntry.java
 @@ -4,7 +4,7 @@ import java.util.Comparator;
@@ -3056,7 +3056,7 @@ index e9c405fb..33cfeabd 100644
          this.e = t0;
          this.b = i;
 diff --git a/src/main/java/net/minecraft/server/NibbleArray.java b/src/main/java/net/minecraft/server/NibbleArray.java
-index ed8c4a87..996c8326 100644
+index ed8c4a87b5..996c832638 100644
 --- a/src/main/java/net/minecraft/server/NibbleArray.java
 +++ b/src/main/java/net/minecraft/server/NibbleArray.java
 @@ -71,6 +71,7 @@ public class NibbleArray {
@@ -3068,7 +3068,7 @@ index ed8c4a87..996c8326 100644
          return this.a == null ? new NibbleArray() : new NibbleArray((byte[]) this.a.clone());
      }
 diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
-index f1620ba8..74e6b8b9 100644
+index f1620ba80e..74e6b8b973 100644
 --- a/src/main/java/net/minecraft/server/PlayerChunk.java
 +++ b/src/main/java/net/minecraft/server/PlayerChunk.java
 @@ -127,6 +127,18 @@ public class PlayerChunk {
@@ -3113,7 +3113,7 @@ index f1620ba8..74e6b8b9 100644
                  completablefuture = (CompletableFuture) this.statusFutures.get(i);
                  if (completablefuture != null) {
 diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
-index b4c9d544..7e5fa016 100644
+index b4c9d544fe..7e5fa016c7 100644
 --- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
 +++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
 @@ -63,7 +63,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@@ -3596,7 +3596,7 @@ index b4c9d544..7e5fa016 100644
          return this.m;
      }
 diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
-index d37abf2c..df728e2c 100644
+index d37abf2cf3..df728e2c0a 100644
 --- a/src/main/java/net/minecraft/server/RegionFile.java
 +++ b/src/main/java/net/minecraft/server/RegionFile.java
 @@ -36,6 +36,8 @@ public class RegionFile implements AutoCloseable {
@@ -3641,7 +3641,7 @@ index d37abf2c..df728e2c 100644
      }
  
 diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
-index e07ae985..0f201000 100644
+index e07ae98540..0f201000f6 100644
 --- a/src/main/java/net/minecraft/server/RegionFileCache.java
 +++ b/src/main/java/net/minecraft/server/RegionFileCache.java
 @@ -9,7 +9,7 @@ import java.io.File;
@@ -3746,7 +3746,7 @@ index e07ae985..0f201000 100644
  
          return regionfile != null ? regionfile.chunkExists(pos) : false;
 diff --git a/src/main/java/net/minecraft/server/RegionFileSection.java b/src/main/java/net/minecraft/server/RegionFileSection.java
-index db9f0196..a6d8ef5e 100644
+index db9f0196bd..a6d8ef5eb4 100644
 --- a/src/main/java/net/minecraft/server/RegionFileSection.java
 +++ b/src/main/java/net/minecraft/server/RegionFileSection.java
 @@ -20,28 +20,29 @@ import javax.annotation.Nullable;
@@ -3882,7 +3882,7 @@ index db9f0196..a6d8ef5e 100644
 +    // Paper end
  }
 diff --git a/src/main/java/net/minecraft/server/TicketType.java b/src/main/java/net/minecraft/server/TicketType.java
-index 4cf28bc2..6e0d0a54 100644
+index 4cf28bc2df..6e0d0a54a2 100644
 --- a/src/main/java/net/minecraft/server/TicketType.java
 +++ b/src/main/java/net/minecraft/server/TicketType.java
 @@ -23,6 +23,7 @@ public class TicketType<T> {
@@ -3894,7 +3894,7 @@ index 4cf28bc2..6e0d0a54 100644
      public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
          return new TicketType<>(s, comparator, 0L);
 diff --git a/src/main/java/net/minecraft/server/VillagePlace.java b/src/main/java/net/minecraft/server/VillagePlace.java
-index c999f8c9..b59ef1a6 100644
+index c999f8c9bf..b59ef1a633 100644
 --- a/src/main/java/net/minecraft/server/VillagePlace.java
 +++ b/src/main/java/net/minecraft/server/VillagePlace.java
 @@ -24,8 +24,16 @@ public class VillagePlace extends RegionFileSection<VillagePlaceSection> {
@@ -3983,7 +3983,7 @@ index c999f8c9..b59ef1a6 100644
  
          HAS_SPACE(VillagePlaceRecord::d), IS_OCCUPIED(VillagePlaceRecord::e), ANY((villageplacerecord) -> {
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index e3913952..b967f6a1 100644
+index e3913952d9..3db0ad0a46 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -82,6 +82,79 @@ public class WorldServer extends World {
@@ -4075,17 +4075,21 @@ index e3913952..b967f6a1 100644
      }
  
      // CraftBukkit start
-@@ -1675,7 +1750,7 @@ public class WorldServer extends World {
+@@ -1675,7 +1750,11 @@ public class WorldServer extends World {
          }
  
          MCUtil.getSpiralOutChunks(spawn, radiusInBlocks >> 4).forEach(pair -> {
 -            getChunkProvider().getChunkAtMainThread(pair.x, pair.z);
-+            getChunkProvider().getChunkAtAsynchronously(pair.x, pair.z, true, (c) -> {});
++            if (com.destroystokyo.paper.PaperConfig.asyncChunks) {
++                getChunkProvider().getChunkAtAsynchronously(pair.x, pair.z, true, (c) -> {});
++            } else {
++                getChunkProvider().getChunkAtMainThread(pair.x, pair.z);
++            }
          });
      }
      public void removeTicketsForSpawn(int radiusInBlocks, BlockPosition spawn) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index a71bb865..1d275520 100644
+index a71bb86508..1d275520fb 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -554,22 +554,23 @@ public class CraftWorld implements World {
@@ -4146,7 +4150,7 @@ index a71bb865..1d275520 100644
      // Spigot start
      @Override
 diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
-index 07936eeb..5bdcdcf9 100644
+index 07936eeba2..5bdcdcf9e8 100644
 --- a/src/main/java/org/spigotmc/WatchdogThread.java
 +++ b/src/main/java/org/spigotmc/WatchdogThread.java
 @@ -6,6 +6,7 @@ import java.lang.management.ThreadInfo;
@@ -4166,5 +4170,5 @@ index 07936eeb..5bdcdcf9 100644
                  log.log( Level.SEVERE, "------------------------------" );
                  //
 -- 
-2.25.1.windows.1
+2.25.1