diff --git a/patches/server/0006-Leaves-Server-Config-And-Command.patch b/patches/server/0006-Leaves-Server-Config-And-Command.patch
index b278106a..e0131716 100644
--- a/patches/server/0006-Leaves-Server-Config-And-Command.patch
+++ b/patches/server/0006-Leaves-Server-Config-And-Command.patch
@@ -38,7 +38,7 @@ index a108ebfe472c908e86e0af2cfd9cb63083f58eb5..f97b2cb3ea855e6e250cabf357a050cd
  
          this.setPvpAllowed(dedicatedserverproperties.pvp);
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index c8b82bc41f2042bb4b067f06265a3a22e51f7629..a02aafe76e1bd09e0f62a4b0bed648553ef92d47 100644
+index f6de1c6e8fd9086b7bd725f75ee2606583591d6a..a45a6fa9a2338626ba0d08061f327d41ac457f14 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -1098,6 +1098,7 @@ public final class CraftServer implements Server {
@@ -65,7 +65,7 @@ index c8b82bc41f2042bb4b067f06265a3a22e51f7629..a02aafe76e1bd09e0f62a4b0bed64855
          @Override
          public void restart() {
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index c2c421b1caf76b40542fdc436801accbe97a38cb..29f139fb4d70a9a362ac0a30579eb0b47676cbf6 100644
+index d97771ecaf06b92d92b5ca0224ae0866e36703a6..439305bb4f5ce232aa6237276c121d53054ab2a7 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
 @@ -168,6 +168,14 @@ public class Main {
@@ -85,10 +85,10 @@ index c2c421b1caf76b40542fdc436801accbe97a38cb..29f139fb4d70a9a362ac0a30579eb0b4
                          .withRequiredArg()
 diff --git a/src/main/java/org/leavesmc/leaves/LeavesConfig.java b/src/main/java/org/leavesmc/leaves/LeavesConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..f554b8e61a31c307bb46fa007c54f2b842be4dfc
+index 0000000000000000000000000000000000000000..abba58d7b3711db8372ffa3de1c47a13b23a284f
 --- /dev/null
 +++ b/src/main/java/org/leavesmc/leaves/LeavesConfig.java
-@@ -0,0 +1,939 @@
+@@ -0,0 +1,944 @@
 +package org.leavesmc.leaves;
 +
 +import com.destroystokyo.paper.util.SneakyThrow;
@@ -315,6 +315,9 @@ index 0000000000000000000000000000000000000000..f554b8e61a31c307bb46fa007c54f2b8
 +    @GlobalConfig(name = "fix-fortress-mob-spawn", category = {"modify", "minecraft-old"})
 +    public static boolean fixFortressMobSpawn = false;
 +
++    @GlobalConfig(name = "old-block-entity-behaviour", category = {"modify", "minecraft-old"})
++    public static boolean oldBlockEntityBehaviour = false;
++
 +    // Leaves end - modify - minecraft-old
 +
 +    // Leaves start - modify - elytra-aeronautics
@@ -832,7 +835,7 @@ index 0000000000000000000000000000000000000000..f554b8e61a31c307bb46fa007c54f2b8
 +
 +    private static class AlternativePlaceVerify extends ConfigVerify.EnumConfigVerify<AlternativePlaceType> {
 +        @Override
-+        public void runAfterLoader(Enum<AlternativePlaceType> value) {
++        public void runAfterLoader(Enum<AlternativePlaceType> value, boolean firstLoad) {
 +            if (value != AlternativePlaceType.NONE) {
 +                disableDistanceCheckForUseItem = true;
 +            }
@@ -869,15 +872,17 @@ index 0000000000000000000000000000000000000000..f554b8e61a31c307bb46fa007c54f2b8
 +
 +    private static class AutoUpdateVerify extends ConfigVerify.BooleanConfigVerify {
 +        @Override
-+        public void runAfterLoader(Boolean value) {
-+            org.leavesmc.leaves.util.LeavesUpdateHelper.init();
-+            if (value) {
-+                LeavesLogger.LOGGER.warning("Auto-Update is not completely safe. Enabling it may cause data security problems!");
++        public void runAfterLoader(Boolean value, boolean firstLoad) {
++            if (firstLoad) {
++                org.leavesmc.leaves.util.LeavesUpdateHelper.init();
++                if (value) {
++                    LeavesLogger.LOGGER.warning("Auto-Update is not completely safe. Enabling it may cause data security problems!");
++                }
 +            }
 +        }
 +    }
 +
-+    @GlobalConfig(name = "download-source", category = {"misc", "auto-update"}, verify = DownloadSourceVerify.class)
++    @GlobalConfig(name = "download-source", category = {"misc", "auto-update"}, lock = true, verify = DownloadSourceVerify.class)
 +    public static String autoUpdateSource = "application";
 +
 +    public static class DownloadSourceVerify extends ConfigVerify.StringConfigVerify {
@@ -1463,7 +1468,7 @@ index 0000000000000000000000000000000000000000..3ddeff82e31178c9c1bb1737c9a28a81
 +}
 diff --git a/src/main/java/org/leavesmc/leaves/config/ConfigVerify.java b/src/main/java/org/leavesmc/leaves/config/ConfigVerify.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..e3cfc606222f27f029ff8e4d1fd370685e76e325
+index 0000000000000000000000000000000000000000..4594434e120f2a42481112c4c68ab53b844fba6f
 --- /dev/null
 +++ b/src/main/java/org/leavesmc/leaves/config/ConfigVerify.java
 @@ -0,0 +1,93 @@
@@ -1485,7 +1490,7 @@ index 0000000000000000000000000000000000000000..e3cfc606222f27f029ff8e4d1fd37068
 +        return List.of("<value>");
 +    }
 +
-+    default void runAfterLoader(E value) {
++    default void runAfterLoader(E value, boolean firstLoad) {
 +    }
 +
 +    class BooleanConfigVerify implements ConfigVerify<Boolean> {
@@ -1649,7 +1654,7 @@ index 0000000000000000000000000000000000000000..67d4365d25714c3732274e5ab21981a3
 +}
 diff --git a/src/main/java/org/leavesmc/leaves/config/GlobalConfigManager.java b/src/main/java/org/leavesmc/leaves/config/GlobalConfigManager.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..0addf5a2f5e015b73b8a02e8f3eef79790eb4587
+index 0000000000000000000000000000000000000000..b77e7d9e0870f6a72795cee32e779548989e85b0
 --- /dev/null
 +++ b/src/main/java/org/leavesmc/leaves/config/GlobalConfigManager.java
 @@ -0,0 +1,192 @@
@@ -1727,7 +1732,7 @@ index 0000000000000000000000000000000000000000..0addf5a2f5e015b73b8a02e8f3eef797
 +            }
 +        }
 +
-+        verifiedConfigs.forEach((path, config) -> config.verify.runAfterLoader(config.get()));
++        verifiedConfigs.forEach((path, config) -> config.verify.runAfterLoader(config.get(), firstLoad));
 +
 +        firstLoad = false;
 +        LeavesConfig.save();
diff --git a/patches/server/0054-Syncmatica-Protocol.patch b/patches/server/0054-Syncmatica-Protocol.patch
index 58742b11..b1518606 100644
--- a/patches/server/0054-Syncmatica-Protocol.patch
+++ b/patches/server/0054-Syncmatica-Protocol.patch
@@ -6,7 +6,7 @@ Subject: [PATCH] Syncmatica Protocol
 This patch is Powered by Syncmatica(https://github.com/End-Tech/syncmatica)
 
 diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index c87dc4d99e7ea8395145946c9c5cc5e73113cb23..32d8d22f5e08f6ebdd06b5057fe1b0451acdf1f2 100644
+index 1e71c352529afaa73cef3b9ea08098d9a86f6589..f893f841509017d61b496e712c12b578d4d69345 100644
 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 @@ -314,6 +314,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@@ -1335,10 +1335,10 @@ index 0000000000000000000000000000000000000000..d7a3c85df0f5950f3f0c69c33fa5d809
 +}
 diff --git a/src/main/java/org/leavesmc/leaves/protocol/syncmatica/SyncmaticaProtocol.java b/src/main/java/org/leavesmc/leaves/protocol/syncmatica/SyncmaticaProtocol.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..d0ceb4079680c0eaef362ab3fddce60ff5b839a3
+index 0000000000000000000000000000000000000000..0d93792de3a12a450f5da1705cff95274360a9c4
 --- /dev/null
 +++ b/src/main/java/org/leavesmc/leaves/protocol/syncmatica/SyncmaticaProtocol.java
-@@ -0,0 +1,123 @@
+@@ -0,0 +1,127 @@
 +package org.leavesmc.leaves.protocol.syncmatica;
 +
 +import org.jetbrains.annotations.NotNull;
@@ -1359,6 +1359,7 @@ index 0000000000000000000000000000000000000000..d0ceb4079680c0eaef362ab3fddce60f
 +    public static final String PROTOCOL_ID = "syncmatica";
 +    public static final String PROTOCOL_VERSION = "leaves-syncmatica-1.1.0";
 +
++    private static boolean loaded = false;
 +    private static final File litematicFolder = new File("." + File.separator + "syncmatics");
 +    private static final PlayerIdentifierProvider playerIdentifierProvider = new PlayerIdentifierProvider();
 +    private static final CommunicationManager communicationManager = new CommunicationManager();
@@ -1391,8 +1392,11 @@ index 0000000000000000000000000000000000000000..d0ceb4079680c0eaef362ab3fddce60f
 +    }
 +
 +    public static void init() {
-+        litematicFolder.mkdirs();
-+        syncmaticManager.startup();
++        if (!loaded) {
++            litematicFolder.mkdirs();
++            syncmaticManager.startup();
++            loaded = true;
++        }
 +    }
 +
 +    @NotNull
diff --git a/patches/server/0133-Old-BlockEntity-behaviour.patch b/patches/server/0133-Old-BlockEntity-behaviour.patch
new file mode 100644
index 00000000..f7c8043a
--- /dev/null
+++ b/patches/server/0133-Old-BlockEntity-behaviour.patch
@@ -0,0 +1,88 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: violetc <58360096+s-yh-china@users.noreply.github.com>
+Date: Wed, 14 Aug 2024 01:48:14 +0800
+Subject: [PATCH] Old BlockEntity behaviour
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/ChiseledBookShelfBlock.java b/src/main/java/net/minecraft/world/level/block/ChiseledBookShelfBlock.java
+index ca3a8ead09cf0d3c1352ac266b749bc0bca2ff9a..b705ee10371e77d027b88afc790f346f20c0087f 100644
+--- a/src/main/java/net/minecraft/world/level/block/ChiseledBookShelfBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/ChiseledBookShelfBlock.java
+@@ -197,6 +197,13 @@ public class ChiseledBookShelfBlock extends BaseEntityBlock {
+                     }
+ 
+                     chiseledBookShelfBlockEntity.clearContent();
++                    // Leaves start - behaviour 1.21.1-
++                    if (org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) {
++                        bl = false;
++                        world.updateNeighbourForOutputSignal(pos, this);
++                        break label32;
++                    }
++                    // Leaves end - behaviour 1.21.1-
+                     bl = true;
+                     break label32;
+                 }
+diff --git a/src/main/java/net/minecraft/world/level/block/LecternBlock.java b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+index 0c52e1f8bc233bb66e53f4c69e1d8757382bbe81..142009c9eeca22e42ed3ff04cf8f1ba623d6254b 100644
+--- a/src/main/java/net/minecraft/world/level/block/LecternBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+@@ -209,10 +209,11 @@ public class LecternBlock extends BaseEntityBlock {
+                 this.popBook(state, world, pos);
+             }
+ 
+-            super.onRemove(state, world, pos, newState, moved);
++            if (!org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+             if ((Boolean) state.getValue(LecternBlock.POWERED)) {
+                 world.updateNeighborsAt(pos.below(), this);
+             }
++            if (org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+ 
+         }
+     }
+diff --git a/src/main/java/net/minecraft/world/level/block/SculkSensorBlock.java b/src/main/java/net/minecraft/world/level/block/SculkSensorBlock.java
+index 8d57c68d2f20f7c0d5c1be5d5b12e6926aad8c58..f1341d0f6545dfb13d14a37a68fda5b3403604b5 100644
+--- a/src/main/java/net/minecraft/world/level/block/SculkSensorBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/SculkSensorBlock.java
+@@ -150,10 +150,11 @@ public class SculkSensorBlock extends BaseEntityBlock implements SimpleWaterlogg
+     @Override
+     protected void onRemove(BlockState state, Level world, BlockPos pos, BlockState newState, boolean moved) {
+         if (!state.is(newState.getBlock())) {
+-            super.onRemove(state, world, pos, newState, moved);
++            if (!org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+             if (SculkSensorBlock.getPhase(state) == SculkSensorPhase.ACTIVE) {
+                 SculkSensorBlock.updateNeighbours(world, pos, state);
+             }
++            if (org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+ 
+         }
+     }
+diff --git a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
+index e70bf963cd960098709262b0a0b34e62562313d8..14286ebb28c467e1948601407466a31320cfd6e9 100644
+--- a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
+@@ -173,10 +173,11 @@ public class ShulkerBoxBlock extends BaseEntityBlock {
+     protected void onRemove(BlockState state, Level world, BlockPos pos, BlockState newState, boolean moved) {
+         if (!state.is(newState.getBlock())) {
+             BlockEntity blockEntity = world.getBlockEntity(pos);
+-            super.onRemove(state, world, pos, newState, moved);
++            if (!org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+             if (blockEntity instanceof ShulkerBoxBlockEntity) {
+                 world.updateNeighbourForOutputSignal(pos, state.getBlock());
+             }
++            if (org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour) super.onRemove(state, world, pos, newState, moved); // Leaves - behaviour 1.21.1-
+         }
+     }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+index f2ef63d69bfc6fb3b3dc4b3b2938733d1c371746..e6c67426c9ea76eae2c677d796d0db579acaed6e 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+@@ -67,7 +67,7 @@ public abstract class BlockEntity {
+     }
+ 
+     public boolean isValidBlockState(BlockState state) {
+-        return this.type.isValid(state);
++        return org.leavesmc.leaves.LeavesConfig.oldBlockEntityBehaviour || this.type.isValid(state); // Leaves - behaviour 1.21.1-
+     }
+ 
+     public static BlockPos getPosFromTag(CompoundTag nbt) {