Exclude CODEOWNERS from language statistics

This is important for 1.21.5 servers/clients and non-Vanilla clients that may not be able to match 1.21.5 data hashes anymore

.gitattributes

@@ -5,3 +5,4 @@ gradlew text eol=lf
 *.bat text eol=crlf
 
 *.jar binary
+.gitea/CODEOWNERS linguist-detectable=false

.gitea/CODEOWNERS

@@ -0,0 +1,3 @@
+# Pull requests request review from the eligible staff team(s).
+# One approval from either an Admin or Developer satisfies branch protection.
+*   @trueog/Admins @trueog/Developers

paper-api/src/main/java/org/bukkit/NamespacedKey.java

@@ -83,14 +83,12 @@ public final class NamespacedKey implements net.kyori.adventure.key.Key, com.des
      * @see #NamespacedKey(Plugin, String)
      */
     public NamespacedKey(@NotNull String namespace, @NotNull String key) {
-        Preconditions.checkArgument(namespace != null && isValidNamespace(namespace), "Invalid namespace. Must be [a-z0-9._-]: %s", namespace);
-        Preconditions.checkArgument(key != null && isValidKey(key), "Invalid key. Must be [a-z0-9/._-]: %s", key);
-
+        Preconditions.checkArgument(namespace != null, "Namespace cannot be null");
+        Preconditions.checkArgument(key != null, "Key cannot be null");
         this.namespace = namespace;
         this.key = key;
 
-        String string = toString();
-        Preconditions.checkArgument(string.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters", string); // Paper - Fix improper length validation
+        this.validate();
     }
 
     /**
@@ -108,16 +106,17 @@ public final class NamespacedKey implements net.kyori.adventure.key.Key, com.des
     public NamespacedKey(@NotNull Plugin plugin, @NotNull String key) {
         Preconditions.checkArgument(plugin != null, "Plugin cannot be null");
         Preconditions.checkArgument(key != null, "Key cannot be null");
-
         this.namespace = plugin.getName().toLowerCase(Locale.ROOT);
         this.key = key.toLowerCase(Locale.ROOT);
 
         // Check validity after normalization
+        this.validate();
+    }
+
+    private void validate() {
+        Preconditions.checkArgument(this.namespace.length() + 1 + this.key.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters");
         Preconditions.checkArgument(isValidNamespace(this.namespace), "Invalid namespace. Must be [a-z0-9._-]: %s", this.namespace);
         Preconditions.checkArgument(isValidKey(this.key), "Invalid key. Must be [a-z0-9/._-]: %s", this.key);
-
-        String string = toString();
-        Preconditions.checkArgument(string.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters", string); // Paper - Fix improper length validation
     }
 
     @NotNull

paper-api/src/main/java/org/bukkit/Registry.java

@@ -64,7 +64,7 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
     @SuppressWarnings("removal")
     @Deprecated(forRemoval = true, since = "1.21.4")
     private static <A extends Keyed> Registry<A> legacyRegistryFor(final Class<A> clazz) {
-        return Objects.requireNonNull(RegistryAccess.registryAccess().getRegistry(clazz), "No registry present for " + clazz.getSimpleName() + ". This is a bug.");
+        return Objects.requireNonNull(RegistryAccess.registryAccess().getRegistry(clazz), () -> "No registry present for " + clazz.getSimpleName() + ". This is a bug.");
     }
 
     /**

paper-api/src/main/java/org/bukkit/inventory/ItemStack.java

@@ -57,7 +57,7 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
      */
     @org.jetbrains.annotations.Contract(value = "_, _ -> new", pure = true)
     public static @NotNull ItemStack of(final @NotNull Material type, final int amount) {
-        Preconditions.checkArgument(type.asItemType() != null, type + " isn't an item");
+        Preconditions.checkArgument(type.asItemType() != null, "%s isn't an item", type);
         Preconditions.checkArgument(amount > 0, "amount must be greater than 0");
         return java.util.Objects.requireNonNull(type.asItemType(), type + " is not an item").createItemStack(amount); // Paper - delegate
     }

paper-server/patches/features/0016-Moonrise-optimisation-patches.patch

@@ -23751,7 +23751,7 @@ index 841a41485af62470d833aba578069b19a0bd1e8d..409c1134327bfcc338c3ac5e658a83cc
      // CraftBukkit start
      public boolean isDebugging() {
 diff --git a/net/minecraft/server/dedicated/DedicatedServer.java b/net/minecraft/server/dedicated/DedicatedServer.java
-index f8c81d795b19e73d56d6e0196c75e441ab4c2bef..97a294d2f5c1ddf0af7ffec3e1425eb329c5751b 100644
+index ac7bc193f7ea63cbbba73df49f54a17ef7cdec40..d2db6e3a4af13984b0a790fb38e83c253914a973 100644
 --- a/net/minecraft/server/dedicated/DedicatedServer.java
 +++ b/net/minecraft/server/dedicated/DedicatedServer.java
 @@ -433,7 +433,33 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@@ -26735,7 +26735,7 @@ index da793ad12565c36fffb26eb771ff68c76632caf7..db06f966077928419bfe469260f04d7d
          if (!passengers.equals(this.lastPassengers)) {
              this.broadcastAndSend(new ClientboundSetPassengersPacket(this.entity)); // CraftBukkit
 diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
-index 400b56657414177cd76a7b94c426dc7c886aa957..a275b17d0852d9d9bc850614713244e580ae81f1 100644
+index d1f235ebd835f58cf0c703c3a64d29825d98e183..080091efc19bc768bb9a660f366c42e831225505 100644
 --- a/net/minecraft/server/level/ServerLevel.java
 +++ b/net/minecraft/server/level/ServerLevel.java
 @@ -170,7 +170,7 @@ import net.minecraft.world.phys.shapes.VoxelShape;
@@ -27976,10 +27976,10 @@ index 4eb040006f5d41b47e5ac9df5d9f19c4315d6343..7fa41dea184b01891f45d8e404bc1cba
          this.generatingStep = generatingStep;
          this.cache = cache;
 diff --git a/net/minecraft/server/players/PlayerList.java b/net/minecraft/server/players/PlayerList.java
-index 5d88b2790710a885957ffcffc02fb99c917123c5..7d1d4abfb04829d8c4722e326c6c6b8fb2ab91f4 100644
+index 7eebb494e38b57e81b4f92f0a96d3a4c610d86df..065f4c810439dde464529b54ae300ecfcb1c2c31 100644
 --- a/net/minecraft/server/players/PlayerList.java
 +++ b/net/minecraft/server/players/PlayerList.java
-@@ -1312,7 +1312,7 @@ public abstract class PlayerList {
+@@ -1317,7 +1317,7 @@ public abstract class PlayerList {
  
      public void setViewDistance(int viewDistance) {
          this.viewDistance = viewDistance;
@@ -27988,7 +27988,7 @@ index 5d88b2790710a885957ffcffc02fb99c917123c5..7d1d4abfb04829d8c4722e326c6c6b8f
  
          for (ServerLevel serverLevel : this.server.getAllLevels()) {
              if (serverLevel != null) {
-@@ -1323,7 +1323,7 @@ public abstract class PlayerList {
+@@ -1328,7 +1328,7 @@ public abstract class PlayerList {
  
      public void setSimulationDistance(int simulationDistance) {
          this.simulationDistance = simulationDistance;
@@ -28372,7 +28372,7 @@ index 8cc5c0716392ba06501542ff5cbe71ee43979e5d..09fd99c9cbd23b5f3c899bfb00c9b896
 +    // Paper end - block counting
  }
 diff --git a/net/minecraft/world/entity/Entity.java b/net/minecraft/world/entity/Entity.java
-index 994791a83ca6712db3e74ca9aba4bfcd95a0ec6d..1b54cf07616a10d93e9336dbd299ba5f09678a28 100644
+index 9b3b770f6986dd132da78fdc3626d334166ec52a..b2b61203438bb1fad1ee807729781718d2467155 100644
 --- a/net/minecraft/world/entity/Entity.java
 +++ b/net/minecraft/world/entity/Entity.java
 @@ -135,7 +135,7 @@ import net.minecraft.world.scores.ScoreHolder;

paper-server/patches/sources/net/minecraft/server/level/ServerPlayer.java.patch

@@ -10,7 +10,7 @@
      @Nullable
      private Vec3 startingToFallPosition;
      @Nullable
-@@ -258,6 +_,13 @@
+@@ -258,6 +_,20 @@
              }
          }
  
@@ -20,6 +20,13 @@
 +            ServerPlayer.this.connection.send(new ClientboundContainerSetSlotPacket(ServerPlayer.this.inventoryMenu.containerId, ServerPlayer.this.inventoryMenu.incrementStateId(), net.minecraft.world.inventory.InventoryMenu.SHIELD_SLOT, ServerPlayer.this.inventoryMenu.getSlot(net.minecraft.world.inventory.InventoryMenu.SHIELD_SLOT).getItem().copy()));
 +        }
 +        // Paper end - Sync offhand slot in menus
++
++        // Paper start - add flag to simplify remote matching logic
++        @Override
++        public ServerPlayer player() {
++            return ServerPlayer.this;
++        }
++        // Paper end - add flag to simplify remote matching logic
 +
          @Override
          public void sendSlotChange(AbstractContainerMenu container, int slot, ItemStack itemStack) {

paper-server/patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch

@@ -577,7 +577,7 @@
  
              this.player.connection.send(new ClientboundSetHeldSlotPacket(inventory.selected));
              this.player.inventoryMenu.broadcastChanges();
-+            this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++            if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
          }
      }
  
@@ -1103,7 +1103,7 @@
 +                        }
 +                        // CraftBukkit end
                          this.player.stopUsingItem();
-+                        this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                        if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      }
  
                      return;
@@ -1125,21 +1125,21 @@
 +                        }
 +                        // CraftBukkit end
                          this.player.drop(false);
-+                        this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                        if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      }
  
                      return;
                  case DROP_ALL_ITEMS:
                      if (!this.player.isSpectator()) {
                          this.player.drop(true);
-+                        this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                        if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      }
  
                      return;
                  case RELEASE_USE_ITEM:
 -                    this.player.releaseUsingItem();
 +                    if (this.player.getUseItem() == this.player.getItemInHand(this.player.getUsedItemHand())) this.player.releaseUsingItem(); // Paper - validate use item before processing release
-+                    this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                    if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      return;
                  case START_DESTROY_BLOCK:
                  case ABORT_DESTROY_BLOCK:
@@ -1172,7 +1172,7 @@
 +                        }
 +                    }
 +                    // Paper end - Send block entities after destroy prediction
-+                    this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                    if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      return;
                  default:
                      throw new IllegalArgumentException("Invalid player action");
@@ -1247,7 +1247,7 @@
  
                          this.player.connection.send(new ClientboundBlockUpdatePacket(serverLevel, blockPos));
                          this.player.connection.send(new ClientboundBlockUpdatePacket(serverLevel, blockPos.relative(direction)));
-+                        this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                        if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                      } else {
                          LOGGER.warn(
                              "Rejecting UseItemOnPacket from {}: Location {} too far away from hit block {}.",
@@ -1397,7 +1397,7 @@
  
              this.player.getInventory().selected = packet.getSlot();
              this.player.resetLastActionTime();
-+            this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++            if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
          } else {
              LOGGER.warn("{} tried to set an invalid carried item", this.player.getName().getString());
 +            this.disconnect(Component.literal("Invalid hotbar selection (Hacking?)"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // CraftBukkit // Paper - kick event cause
@@ -2004,7 +2004,7 @@
 +                });
 +            }
 +            // Paper end - PlayerUseUnknownEntityEvent
-+            this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++            if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
          }
      }
  
@@ -2410,7 +2410,7 @@
                      } else {
                          this.player.containerMenu.broadcastChanges();
                      }
-+                    this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                    if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
                  }
              }
          }
@@ -2487,7 +2487,7 @@
                  if (flag) {
                      this.player.containerMenu.broadcastChanges();
                  }
-+                this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
              }
          }
      }
@@ -2536,7 +2536,7 @@
                  this.player.inventoryMenu.getSlot(packet.slotNum()).setByPlayer(itemStack);
                  this.player.inventoryMenu.setRemoteSlot(packet.slotNum(), itemStack);
                  this.player.inventoryMenu.broadcastChanges();
-+                this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
++                if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.updateEquipmentOnPlayerActions) this.player.detectEquipmentUpdatesPublic(); // Paper - Force update attributes.
              } else if (flag && flag2) {
                  if (this.dropSpamThrottler.isUnderThreshold()) {
                      this.dropSpamThrottler.increment();

paper-server/patches/sources/net/minecraft/server/players/PlayerList.java.patch

@@ -931,13 +931,18 @@
          }
  
          player.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.LEVEL_CHUNKS_LOAD_START, 0.0F));
-@@ -671,8 +_,16 @@
+@@ -671,8 +_,21 @@
  
      public void sendAllPlayerInfo(ServerPlayer player) {
          player.inventoryMenu.sendAllDataToRemote();
 -        player.resetSentInfo();
 +        // entityplayer.resetSentInfo();
-+        player.getBukkitEntity().updateScaledHealth(); // CraftBukkit - Update scaled health on respawn and worldchange
++        // Paper start - send all attributes
++        // needs to be done because the ServerPlayer instance is being reused on respawn instead of getting replaced like on vanilla
++        java.util.Collection<net.minecraft.world.entity.ai.attributes.AttributeInstance> syncableAttributes = player.getAttributes().getSyncableAttributes();
++        player.getBukkitEntity().injectScaledMaxHealth(syncableAttributes, true);
++        player.connection.send(new net.minecraft.network.protocol.game.ClientboundUpdateAttributesPacket(player.getId(), syncableAttributes));
++        // Paper end - send all attributes
 +        player.refreshEntityData(player); // CraftBukkit - SPIGOT-7218: sync metadata
          player.connection.send(new ClientboundSetHeldSlotPacket(player.getInventory().selected));
 +        // CraftBukkit start - from GameRules

paper-server/patches/sources/net/minecraft/world/inventory/AbstractContainerMenu.java.patch

@@ -72,6 +72,41 @@
              }
          }
      }
+@@ -243,7 +_,7 @@
+     private void synchronizeSlotToRemote(int slotIndex, ItemStack stack, Supplier<ItemStack> supplier) {
+         if (!this.suppressRemoteUpdates) {
+             ItemStack itemStack = this.remoteSlots.get(slotIndex);
+-            if (!ItemStack.matches(itemStack, stack)) {
++            if (!this.matchesRemote(itemStack, stack)) { // Paper - add flag to simplify remote matching logic
+                 ItemStack itemStack1 = supplier.get();
+                 this.remoteSlots.set(slotIndex, itemStack1);
+                 if (this.synchronizer != null) {
+@@ -267,7 +_,7 @@
+ 
+     private void synchronizeCarriedToRemote() {
+         if (!this.suppressRemoteUpdates) {
+-            if (!ItemStack.matches(this.getCarried(), this.remoteCarried)) {
++            if (!this.matchesRemote(this.getCarried(), this.remoteCarried)) { // Paper - add flag to simplify remote matching logic
+                 this.remoteCarried = this.getCarried().copy();
+                 if (this.synchronizer != null) {
+                     this.synchronizer.sendCarriedChange(this, this.remoteCarried);
+@@ -276,6 +_,16 @@
+         }
+     }
+ 
++    // Paper start - add flag to simplify remote matching logic
++    private boolean matchesRemote(final ItemStack stack, final ItemStack other) {
++        if (this.synchronizer != null && this.synchronizer.player() != null && this.synchronizer.player().getBukkitEntity().simplifyContainerDesyncCheck()) {
++            // Only check the item type and count
++            return stack == other || (stack.getCount() == other.getCount() && ItemStack.isSameItem(stack, other));
++        }
++        return ItemStack.matches(stack, other);
++    }
++    // Paper end - add flag to simplify remote matching logic
++
+     public void setRemoteSlot(int slot, ItemStack stack) {
+         this.remoteSlots.set(slot, stack.copy());
+     }
 @@ -343,6 +_,7 @@
                      this.resetQuickCraft();
                  }

paper-server/patches/sources/net/minecraft/world/inventory/ContainerSynchronizer.java.patch

@@ -1,9 +1,15 @@
 --- a/net/minecraft/world/inventory/ContainerSynchronizer.java
 +++ b/net/minecraft/world/inventory/ContainerSynchronizer.java
-@@ -11,4 +_,6 @@
+@@ -11,4 +_,12 @@
      void sendCarriedChange(AbstractContainerMenu containerMenu, ItemStack stack);
  
      void sendDataChange(AbstractContainerMenu container, int id, int value);
 +
 +    default void sendOffHandSlotChange() {} // Paper - Sync offhand slot in menus
++
++    // Paper start - add flag to simplify remote matching logic
++    default net.minecraft.server.level.@org.jspecify.annotations.Nullable ServerPlayer player() {
++        return null;
++    }
++    // Paper end - add flag to simplify remote matching logic
  }

paper-server/patches/sources/net/minecraft/world/item/MaceItem.java.patch

@@ -15,3 +15,12 @@
              ServerLevel serverLevel = (ServerLevel)attacker.level();
              attacker.setDeltaMovement(attacker.getDeltaMovement().with(Direction.Axis.Y, 0.01F));
              if (attacker instanceof ServerPlayer serverPlayer) {
+@@ -139,7 +_,7 @@
+             double knockbackPower = getKnockbackPower(attacker, livingEntity, vec3);
+             Vec3 vec31 = vec3.normalize().scale(knockbackPower);
+             if (knockbackPower > 0.0) {
+-                livingEntity.push(vec31.x, 0.7F, vec31.z);
++                livingEntity.push(vec31.x, 0.7F, vec31.z, attacker); // Paper - Add EntityKnockbackByEntityEvent and EntityPushedByEntityAttackEvent
+                 if (livingEntity instanceof ServerPlayer serverPlayer) {
+                     serverPlayer.connection.send(new ClientboundSetEntityMotionPacket(serverPlayer));
+                 }

paper-server/src/main/java/io/papermc/paper/CraftGameEventTag.java

@@ -30,6 +30,6 @@ public class CraftGameEventTag extends CraftTag<net.minecraft.world.level.gameev
 
     @Override
     public @NotNull Set<GameEvent> getValues() {
-        return getHandle().stream().map((nms) -> Objects.requireNonNull(GameEvent.getByKey(CraftNamespacedKey.fromMinecraft(BuiltInRegistries.GAME_EVENT.getKey(nms.value()))), nms + " is not a recognized game event")).collect(Collectors.toUnmodifiableSet());
+        return getHandle().stream().map((nms) -> Objects.requireNonNull(GameEvent.getByKey(CraftNamespacedKey.fromMinecraft(BuiltInRegistries.GAME_EVENT.getKey(nms.value()))), () -> nms + " is not a recognized game event")).collect(Collectors.toUnmodifiableSet());
     }
 }

paper-server/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java

@@ -184,6 +184,10 @@ public class GlobalConfiguration extends ConfigurationPart {
         public boolean skipVanillaDamageTickWhenShieldBlocked = false;
         @Comment("This setting controls what compression format is used for region files.")
         public CompressionFormat compressionFormat = CompressionFormat.ZLIB;
+        @Comment("This setting controls if equipment should be updated when handling certain player actions.")
+        public boolean updateEquipmentOnPlayerActions = true;
+        @Comment("Only checks an item's amount and type instead of its full data during inventory desync checks.")
+        public boolean simplifyRemoteItemMatching = false;
 
         public enum CompressionFormat {
             GZIP,

paper-server/src/main/java/io/papermc/paper/registry/PaperRegistries.java

@@ -153,12 +153,12 @@ public final class PaperRegistries {
 
     @SuppressWarnings("unchecked")
     public static <M, T> RegistryKey<T> registryFromNms(final ResourceKey<? extends Registry<M>> registryResourceKey) {
-        return (RegistryKey<T>) Objects.requireNonNull(BY_RESOURCE_KEY.get(registryResourceKey), registryResourceKey + " doesn't have an api RegistryKey").apiKey();
+        return (RegistryKey<T>) Objects.requireNonNull(BY_RESOURCE_KEY.get(registryResourceKey), () -> registryResourceKey + " doesn't have an api RegistryKey").apiKey();
     }
 
     @SuppressWarnings("unchecked")
     public static <M, T> ResourceKey<? extends Registry<M>> registryToNms(final RegistryKey<T> registryKey) {
-        return (ResourceKey<? extends Registry<M>>) Objects.requireNonNull(BY_REGISTRY_KEY.get(registryKey), registryKey + " doesn't have an mc registry ResourceKey").mcKey();
+        return (ResourceKey<? extends Registry<M>>) Objects.requireNonNull(BY_REGISTRY_KEY.get(registryKey), () -> registryKey + " doesn't have an mc registry ResourceKey").mcKey();
     }
 
     public static <M, T> TypedKey<T> fromNms(final ResourceKey<M> resourceKey) {

paper-server/src/main/java/io/papermc/paper/registry/entry/RegistryEntryMeta.java

@@ -60,7 +60,7 @@ public sealed interface RegistryEntryMeta<M, A extends Keyed> permits RegistryEn
     ) implements ServerSide<M, A> { // TODO remove Keyed
 
         public Craft {
-            Preconditions.checkArgument(!classToPreload.getPackageName().startsWith("net.minecraft"), classToPreload + " should not be in the net.minecraft package as the class-to-preload");
+            Preconditions.checkArgument(!classToPreload.getPackageName().startsWith("net.minecraft"), "%s should not be in the net.minecraft package as the class-to-preload", classToPreload);
         }
     }
 

paper-server/src/main/java/io/papermc/paper/registry/event/RegistryEventMap.java

@@ -34,7 +34,7 @@ public final class RegistryEventMap {
 
     @SuppressWarnings("unchecked")
     public <T, E extends LifecycleEvent> LifecycleEventType<BootstrapContext, E, ?> getEventType(final RegistryKey<T> registryKey) {
-        return (LifecycleEventType<BootstrapContext, E, ?>) Objects.requireNonNull(this.eventTypes.get(registryKey), "No hook for " + registryKey);
+        return (LifecycleEventType<BootstrapContext, E, ?>) Objects.requireNonNull(this.eventTypes.get(registryKey), () -> "No hook for " + registryKey);
     }
 
     public boolean hasHandlers(final RegistryKey<?> registryKey) {

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java

@@ -8,6 +8,7 @@ import com.mojang.authlib.GameProfile;
 import com.mojang.datafixers.util.Pair;
 import io.netty.buffer.Unpooled;
 import io.papermc.paper.FeatureHooks;
+import io.papermc.paper.configuration.GlobalConfiguration;
 import io.papermc.paper.entity.LookAnchor;
 import io.papermc.paper.entity.PaperPlayerGiveResult;
 import io.papermc.paper.entity.PlayerGiveResult;
@@ -225,6 +226,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     private BorderChangeListener clientWorldBorderListener = this.createWorldBorderListener();
     public org.bukkit.event.player.PlayerResourcePackStatusEvent.Status resourcePackStatus; // Paper - more resource pack API
     private static final boolean DISABLE_CHANNEL_LIMIT = System.getProperty("paper.disableChannelLimit") != null; // Paper - add a flag to disable the channel limit
+    private boolean simplifyContainerDesyncCheck = GlobalConfiguration.get().unsupportedSettings.simplifyRemoteItemMatching;
     private long lastSaveTime; // Paper - getLastPlayed replacement API
 
     public CraftPlayer(CraftServer server, ServerPlayer entity) {
@@ -3606,4 +3608,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     public void setDeathScreenScore(final int score) {
         getHandle().setScore(score);
     }
+
+    /**
+     * Returns whether container desync checks should skip the full item comparison of remote carried and changed slots
+     * and should instead only check their type and amount.
+     * <p>
+     * This is useful if the client is not able to produce the same item stack (or as of 1.21.5, its data hashes) as the server.
+     *
+     * @return whether to simplify container desync checks
+     */
+    public boolean simplifyContainerDesyncCheck() {
+        return simplifyContainerDesyncCheck;
+    }
+
+    public void setSimplifyContainerDesyncCheck(final boolean simplifyContainerDesyncCheck) {
+        this.simplifyContainerDesyncCheck = simplifyContainerDesyncCheck;
+    }
 }