diff --git a/mappings/net/minecraft/MinecraftVersion.mapping b/mappings/net/minecraft/MinecraftVersion.mapping
index 064a474feb..75f19ac071 100644
--- a/mappings/net/minecraft/MinecraftVersion.mapping
+++ b/mappings/net/minecraft/MinecraftVersion.mapping
@@ -8,4 +8,4 @@ CLASS g net/minecraft/MinecraftVersion
 	FIELD g packVersion I
 	FIELD h buildTime Ljava/util/Date;
 	FIELD i releaseTarget Ljava/lang/String;
-	METHOD a get ()Lcom/mojang/bridge/game/GameVersion;
+	METHOD a create ()Lcom/mojang/bridge/game/GameVersion;
diff --git a/mappings/net/minecraft/SharedConstants.mapping b/mappings/net/minecraft/SharedConstants.mapping
index 059459248c..95bfa3051b 100644
--- a/mappings/net/minecraft/SharedConstants.mapping
+++ b/mappings/net/minecraft/SharedConstants.mapping
@@ -2,7 +2,8 @@ CLASS l net/minecraft/SharedConstants
 	FIELD a RESOURCE_LEAK_DETECTOR_DISABLED Lio/netty/util/ResourceLeakDetector$Level;
 	FIELD b isDevelopment Z
 	FIELD c INVALID_CHARS_LEVEL_NAME [C
-	METHOD a getVersion ()Lcom/mojang/bridge/game/GameVersion;
+	FIELD d version Lcom/mojang/bridge/game/GameVersion;
+	METHOD a getGameVersion ()Lcom/mojang/bridge/game/GameVersion;
 	METHOD a isValidChar (C)Z
 		ARG 0 chr
 	METHOD a stripInvalidChars (Ljava/lang/String;)Ljava/lang/String;
diff --git a/mappings/net/minecraft/item/Items.mapping b/mappings/net/minecraft/item/Items.mapping
index f6513b0776..ed88b20c01 100644
--- a/mappings/net/minecraft/item/Items.mapping
+++ b/mappings/net/minecraft/item/Items.mapping
@@ -1,3 +1,7 @@
 CLASS avv net/minecraft/item/Items
+	FIELD a AIR Lavp;
+	METHOD a register (Latx;)Lavp;
 	METHOD a registerBlock (Lbft;Laul;)Lavp;
+	METHOD a register (Lbft;Lavp;)Lavp;
 	METHOD a register (Ljava/lang/String;Lavp;)Lavp;
+	METHOD a register (Lpz;Lavp;)Lavp;
diff --git a/mappings/net/minecraft/item/block/DoorItem.mapping b/mappings/net/minecraft/item/block/DoorItem.mapping
deleted file mode 100644
index bc1928c0b2..0000000000
--- a/mappings/net/minecraft/item/block/DoorItem.mapping
+++ /dev/null
@@ -1,2 +0,0 @@
-CLASS aup net/minecraft/item/block/DoorItem
-	METHOD a setBlockState (Laty;Lbom;)Z
diff --git a/mappings/net/minecraft/item/block/TallBlockItem.mapping b/mappings/net/minecraft/item/block/TallBlockItem.mapping
new file mode 100644
index 0000000000..8575f16619
--- /dev/null
+++ b/mappings/net/minecraft/item/block/TallBlockItem.mapping
@@ -0,0 +1,2 @@
+CLASS aup net/minecraft/item/block/TallBlockItem
+	METHOD a setBlockState (Laty;Lbom;)Z
diff --git a/mappings/net/minecraft/item/Item.mapping b/mappings/net/minecraft/item/registerBlock.mapping
similarity index 98%
rename from mappings/net/minecraft/item/Item.mapping
rename to mappings/net/minecraft/item/registerBlock.mapping
index 1ded4fba5f..ff9bd6e28c 100644
--- a/mappings/net/minecraft/item/Item.mapping
+++ b/mappings/net/minecraft/item/registerBlock.mapping
@@ -1,4 +1,4 @@
-CLASS avp net/minecraft/item/Item
+CLASS avp net/minecraft/item/registerBlock
 	CLASS avp$a Builder
 		FIELD a fullStackSize I
 		FIELD b durability I