diff --git a/paper-api/src/main/java/org/bukkit/inventory/ItemType.java b/paper-api/src/main/java/org/bukkit/inventory/ItemType.java
index 23f8747d8e..b73ffba4bb 100644
--- a/paper-api/src/main/java/org/bukkit/inventory/ItemType.java
+++ b/paper-api/src/main/java/org/bukkit/inventory/ItemType.java
@@ -90,7 +90,7 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     //<editor-fold desc="ItemTypes" defaultstate="collapsed">
     // Start generate - ItemType
-    // @GeneratedFrom 1.21.5
+    // @GeneratedFrom 1.21.6-pre2
     ItemType.Typed<ItemMeta> ACACIA_BOAT = getItemType("acacia_boat");
 
     ItemType.Typed<ItemMeta> ACACIA_BUTTON = getItemType("acacia_button");
@@ -297,6 +297,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> BLACK_GLAZED_TERRACOTTA = getItemType("black_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> BLACK_HARNESS = getItemType("black_harness");
+
     ItemType.Typed<BlockStateMeta> BLACK_SHULKER_BOX = getItemType("black_shulker_box");
 
     ItemType.Typed<ItemMeta> BLACK_STAINED_GLASS = getItemType("black_stained_glass");
@@ -345,6 +347,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> BLUE_GLAZED_TERRACOTTA = getItemType("blue_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> BLUE_HARNESS = getItemType("blue_harness");
+
     ItemType.Typed<ItemMeta> BLUE_ICE = getItemType("blue_ice");
 
     ItemType.Typed<ItemMeta> BLUE_ORCHID = getItemType("blue_orchid");
@@ -425,6 +429,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> BROWN_GLAZED_TERRACOTTA = getItemType("brown_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> BROWN_HARNESS = getItemType("brown_harness");
+
     ItemType.Typed<ItemMeta> BROWN_MUSHROOM = getItemType("brown_mushroom");
 
     ItemType.Typed<ItemMeta> BROWN_MUSHROOM_BLOCK = getItemType("brown_mushroom_block");
@@ -757,6 +763,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> CYAN_GLAZED_TERRACOTTA = getItemType("cyan_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> CYAN_HARNESS = getItemType("cyan_harness");
+
     ItemType.Typed<BlockStateMeta> CYAN_SHULKER_BOX = getItemType("cyan_shulker_box");
 
     ItemType.Typed<ItemMeta> CYAN_STAINED_GLASS = getItemType("cyan_stained_glass");
@@ -925,26 +933,16 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> DIRT_PATH = getItemType("dirt_path");
 
-    ItemType.Typed<SpawnEggMeta> DOLPHIN_SPAWN_EGG = getItemType("dolphin_spawn_egg");
-
-    ItemType.Typed<SpawnEggMeta> DONKEY_SPAWN_EGG = getItemType("donkey_spawn_egg");
-
     ItemType.Typed<ItemMeta> DRAGON_BREATH = getItemType("dragon_breath");
 
     ItemType.Typed<SkullMeta> DRAGON_HEAD = getItemType("dragon_head");
 
-    ItemType.Typed<SpawnEggMeta> DROWNED_SPAWN_EGG = getItemType("drowned_spawn_egg");
-
-    ItemType.Typed<SpawnEggMeta> ELDER_GUARDIAN_SPAWN_EGG = getItemType("elder_guardian_spawn_egg");
-
     ItemType.Typed<EnchantmentStorageMeta> ENCHANTED_BOOK = getItemType("enchanted_book");
 
     ItemType.Typed<ItemMeta> END_CRYSTAL = getItemType("end_crystal");
 
     ItemType.Typed<SpawnEggMeta> ENDER_DRAGON_SPAWN_EGG = getItemType("ender_dragon_spawn_egg");
 
-    ItemType.Typed<ItemMeta> ENDER_EYE = getItemType("ender_eye");
-
     ItemType.Typed<SpawnEggMeta> ENDERMAN_SPAWN_EGG = getItemType("enderman_spawn_egg");
 
     ItemType.Typed<SpawnEggMeta> ENDERMITE_SPAWN_EGG = getItemType("endermite_spawn_egg");
@@ -953,8 +951,6 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> EXPERIENCE_BOTTLE = getItemType("experience_bottle");
 
-    ItemType.Typed<ItemMeta> FERMENTED_SPIDER_EYE = getItemType("fermented_spider_eye");
-
     ItemType.Typed<ItemMeta> FIRE_CHARGE = getItemType("fire_charge");
 
     ItemType.Typed<FireworkMeta> FIREWORK_ROCKET = getItemType("firework_rocket");
@@ -963,8 +959,6 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> FLOW_BANNER_PATTERN = getItemType("flow_banner_pattern");
 
-    ItemType.Typed<ItemMeta> FLOWER_BANNER_PATTERN = getItemType("flower_banner_pattern");
-
     ItemType.Typed<ItemMeta> FLOWER_POT = getItemType("flower_pot");
 
     ItemType.Typed<SpawnEggMeta> FOX_SPAWN_EGG = getItemType("fox_spawn_egg");
@@ -973,18 +967,12 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<SpawnEggMeta> GHAST_SPAWN_EGG = getItemType("ghast_spawn_egg");
 
-    ItemType.Typed<ItemMeta> GLASS_BOTTLE = getItemType("glass_bottle");
-
-    ItemType.Typed<ItemMeta> GLISTERING_MELON_SLICE = getItemType("glistering_melon_slice");
-
     ItemType.Typed<ItemMeta> GLOW_ITEM_FRAME = getItemType("glow_item_frame");
 
     ItemType.Typed<SpawnEggMeta> GLOW_SQUID_SPAWN_EGG = getItemType("glow_squid_spawn_egg");
 
     ItemType.Typed<SpawnEggMeta> GOAT_SPAWN_EGG = getItemType("goat_spawn_egg");
 
-    ItemType.Typed<ItemMeta> GOLD_NUGGET = getItemType("gold_nugget");
-
     ItemType.Typed<ItemMeta> GOLDEN_CARROT = getItemType("golden_carrot");
 
     ItemType.Typed<ItemMeta> GOLDEN_HORSE_ARMOR = getItemType("golden_horse_armor");
@@ -995,6 +983,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<SpawnEggMeta> GUARDIAN_SPAWN_EGG = getItemType("guardian_spawn_egg");
 
+    ItemType.Typed<SpawnEggMeta> HAPPY_GHAST_SPAWN_EGG = getItemType("happy_ghast_spawn_egg");
+
     ItemType.Typed<SpawnEggMeta> HOGLIN_SPAWN_EGG = getItemType("hoglin_spawn_egg");
 
     ItemType.Typed<SpawnEggMeta> HORSE_SPAWN_EGG = getItemType("horse_spawn_egg");
@@ -1023,8 +1013,6 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<BannerMeta> MAGENTA_BANNER = getItemType("magenta_banner");
 
-    ItemType.Typed<ItemMeta> MAGMA_CREAM = getItemType("magma_cream");
-
     ItemType.Typed<SpawnEggMeta> MAGMA_CUBE_SPAWN_EGG = getItemType("magma_cube_spawn_egg");
 
     ItemType.Typed<ItemMeta> MAP = getItemType("map");
@@ -1039,8 +1027,14 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<BlockStateMeta> DISPENSER = getItemType("dispenser");
 
+    ItemType.Typed<SpawnEggMeta> DOLPHIN_SPAWN_EGG = getItemType("dolphin_spawn_egg");
+
+    ItemType.Typed<SpawnEggMeta> DONKEY_SPAWN_EGG = getItemType("donkey_spawn_egg");
+
     ItemType.Typed<ItemMeta> DRAGON_EGG = getItemType("dragon_egg");
 
+    ItemType.Typed<ItemMeta> DRIED_GHAST = getItemType("dried_ghast");
+
     ItemType.Typed<ItemMeta> DRIED_KELP = getItemType("dried_kelp");
 
     ItemType.Typed<ItemMeta> DRIED_KELP_BLOCK = getItemType("dried_kelp_block");
@@ -1049,12 +1043,16 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<BlockStateMeta> DROPPER = getItemType("dropper");
 
+    ItemType.Typed<SpawnEggMeta> DROWNED_SPAWN_EGG = getItemType("drowned_spawn_egg");
+
     ItemType.Typed<ItemMeta> DUNE_ARMOR_TRIM_SMITHING_TEMPLATE = getItemType("dune_armor_trim_smithing_template");
 
     ItemType.Typed<ItemMeta> ECHO_SHARD = getItemType("echo_shard");
 
     ItemType.Typed<ItemMeta> EGG = getItemType("egg");
 
+    ItemType.Typed<SpawnEggMeta> ELDER_GUARDIAN_SPAWN_EGG = getItemType("elder_guardian_spawn_egg");
+
     ItemType.Typed<ItemMeta> ELYTRA = getItemType("elytra");
 
     ItemType.Typed<ItemMeta> EMERALD = getItemType("emerald");
@@ -1083,6 +1081,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<BlockStateMeta> ENDER_CHEST = getItemType("ender_chest");
 
+    ItemType.Typed<ItemMeta> ENDER_EYE = getItemType("ender_eye");
+
     ItemType.Typed<ItemMeta> ENDER_PEARL = getItemType("ender_pearl");
 
     ItemType.Typed<ItemMeta> EXPLORER_POTTERY_SHERD = getItemType("explorer_pottery_sherd");
@@ -1111,6 +1111,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> FEATHER = getItemType("feather");
 
+    ItemType.Typed<ItemMeta> FERMENTED_SPIDER_EYE = getItemType("fermented_spider_eye");
+
     ItemType.Typed<ItemMeta> FERN = getItemType("fern");
 
     ItemType.Typed<ItemMeta> FIELD_MASONED_BANNER_PATTERN = getItemType("field_masoned_banner_pattern");
@@ -1137,6 +1139,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> FLOW_POTTERY_SHERD = getItemType("flow_pottery_sherd");
 
+    ItemType.Typed<ItemMeta> FLOWER_BANNER_PATTERN = getItemType("flower_banner_pattern");
+
     ItemType.Typed<ItemMeta> FLOWERING_AZALEA = getItemType("flowering_azalea");
 
     ItemType.Typed<ItemMeta> FLOWERING_AZALEA_LEAVES = getItemType("flowering_azalea_leaves");
@@ -1155,8 +1159,12 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> GLASS = getItemType("glass");
 
+    ItemType.Typed<ItemMeta> GLASS_BOTTLE = getItemType("glass_bottle");
+
     ItemType.Typed<ItemMeta> GLASS_PANE = getItemType("glass_pane");
 
+    ItemType.Typed<ItemMeta> GLISTERING_MELON_SLICE = getItemType("glistering_melon_slice");
+
     ItemType.Typed<ItemMeta> GLOBE_BANNER_PATTERN = getItemType("globe_banner_pattern");
 
     ItemType.Typed<ItemMeta> GLOW_BERRIES = getItemType("glow_berries");
@@ -1175,6 +1183,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> GOLD_INGOT = getItemType("gold_ingot");
 
+    ItemType.Typed<ItemMeta> GOLD_NUGGET = getItemType("gold_nugget");
+
     ItemType.Typed<ItemMeta> GOLD_ORE = getItemType("gold_ore");
 
     ItemType.Typed<ItemMeta> GOLDEN_APPLE = getItemType("golden_apple");
@@ -1225,6 +1235,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> GRAY_GLAZED_TERRACOTTA = getItemType("gray_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> GRAY_HARNESS = getItemType("gray_harness");
+
     ItemType.Typed<BlockStateMeta> GRAY_SHULKER_BOX = getItemType("gray_shulker_box");
 
     ItemType.Typed<ItemMeta> GRAY_STAINED_GLASS = getItemType("gray_stained_glass");
@@ -1251,6 +1263,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> GREEN_GLAZED_TERRACOTTA = getItemType("green_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> GREEN_HARNESS = getItemType("green_harness");
+
     ItemType.Typed<BlockStateMeta> GREEN_SHULKER_BOX = getItemType("green_shulker_box");
 
     ItemType.Typed<ItemMeta> GREEN_STAINED_GLASS = getItemType("green_stained_glass");
@@ -1449,6 +1463,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> LIGHT_BLUE_GLAZED_TERRACOTTA = getItemType("light_blue_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> LIGHT_BLUE_HARNESS = getItemType("light_blue_harness");
+
     ItemType.Typed<BlockStateMeta> LIGHT_BLUE_SHULKER_BOX = getItemType("light_blue_shulker_box");
 
     ItemType.Typed<ItemMeta> LIGHT_BLUE_STAINED_GLASS = getItemType("light_blue_stained_glass");
@@ -1475,6 +1491,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> LIGHT_GRAY_GLAZED_TERRACOTTA = getItemType("light_gray_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> LIGHT_GRAY_HARNESS = getItemType("light_gray_harness");
+
     ItemType.Typed<BlockStateMeta> LIGHT_GRAY_SHULKER_BOX = getItemType("light_gray_shulker_box");
 
     ItemType.Typed<ItemMeta> LIGHT_GRAY_STAINED_GLASS = getItemType("light_gray_stained_glass");
@@ -1511,6 +1529,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> LIME_GLAZED_TERRACOTTA = getItemType("lime_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> LIME_HARNESS = getItemType("lime_harness");
+
     ItemType.Typed<BlockStateMeta> LIME_SHULKER_BOX = getItemType("lime_shulker_box");
 
     ItemType.Typed<ItemMeta> LIME_STAINED_GLASS = getItemType("lime_stained_glass");
@@ -1543,6 +1563,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> MAGENTA_GLAZED_TERRACOTTA = getItemType("magenta_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> MAGENTA_HARNESS = getItemType("magenta_harness");
+
     ItemType.Typed<BlockStateMeta> MAGENTA_SHULKER_BOX = getItemType("magenta_shulker_box");
 
     ItemType.Typed<ItemMeta> MAGENTA_STAINED_GLASS = getItemType("magenta_stained_glass");
@@ -1555,6 +1577,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> MAGMA_BLOCK = getItemType("magma_block");
 
+    ItemType.Typed<ItemMeta> MAGMA_CREAM = getItemType("magma_cream");
+
     ItemType.Typed<ItemMeta> MANGROVE_BOAT = getItemType("mangrove_boat");
 
     ItemType.Typed<ItemMeta> MANGROVE_BUTTON = getItemType("mangrove_button");
@@ -1677,6 +1701,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> MUSIC_DISC_STRAD = getItemType("music_disc_strad");
 
+    ItemType.Typed<ItemMeta> MUSIC_DISC_TEARS = getItemType("music_disc_tears");
+
     ItemType.Typed<ItemMeta> MUSIC_DISC_WAIT = getItemType("music_disc_wait");
 
     ItemType.Typed<ItemMeta> MUSIC_DISC_WARD = getItemType("music_disc_ward");
@@ -1809,6 +1835,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> ORANGE_GLAZED_TERRACOTTA = getItemType("orange_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> ORANGE_HARNESS = getItemType("orange_harness");
+
     ItemType.Typed<BlockStateMeta> ORANGE_SHULKER_BOX = getItemType("orange_shulker_box");
 
     ItemType.Typed<ItemMeta> ORANGE_STAINED_GLASS = getItemType("orange_stained_glass");
@@ -1933,6 +1961,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> PINK_GLAZED_TERRACOTTA = getItemType("pink_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> PINK_HARNESS = getItemType("pink_harness");
+
     ItemType.Typed<ItemMeta> PINK_PETALS = getItemType("pink_petals");
 
     ItemType.Typed<BlockStateMeta> PINK_SHULKER_BOX = getItemType("pink_shulker_box");
@@ -2085,6 +2115,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> PURPLE_GLAZED_TERRACOTTA = getItemType("purple_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> PURPLE_HARNESS = getItemType("purple_harness");
+
     ItemType.Typed<BlockStateMeta> PURPLE_SHULKER_BOX = getItemType("purple_shulker_box");
 
     ItemType.Typed<ItemMeta> PURPLE_STAINED_GLASS = getItemType("purple_stained_glass");
@@ -2163,6 +2195,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> RED_GLAZED_TERRACOTTA = getItemType("red_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> RED_HARNESS = getItemType("red_harness");
+
     ItemType.Typed<ItemMeta> RED_MUSHROOM = getItemType("red_mushroom");
 
     ItemType.Typed<ItemMeta> RED_MUSHROOM_BLOCK = getItemType("red_mushroom_block");
@@ -2797,6 +2831,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> WHITE_GLAZED_TERRACOTTA = getItemType("white_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> WHITE_HARNESS = getItemType("white_harness");
+
     ItemType.Typed<BlockStateMeta> WHITE_SHULKER_BOX = getItemType("white_shulker_box");
 
     ItemType.Typed<ItemMeta> WHITE_STAINED_GLASS = getItemType("white_stained_glass");
@@ -2861,6 +2897,8 @@ public interface ItemType extends Keyed, Translatable, net.kyori.adventure.trans
 
     ItemType.Typed<ItemMeta> YELLOW_GLAZED_TERRACOTTA = getItemType("yellow_glazed_terracotta");
 
+    ItemType.Typed<ItemMeta> YELLOW_HARNESS = getItemType("yellow_harness");
+
     ItemType.Typed<BlockStateMeta> YELLOW_SHULKER_BOX = getItemType("yellow_shulker_box");
 
     ItemType.Typed<ItemMeta> YELLOW_STAINED_GLASS = getItemType("yellow_stained_glass");