diff --git a/mappings/net/minecraft/item/BundleItem.mapping b/mappings/net/minecraft/item/BundleItem.mapping
index b7d55e8f5f..a1aede745f 100644
--- a/mappings/net/minecraft/item/BundleItem.mapping
+++ b/mappings/net/minecraft/item/BundleItem.mapping
@@ -1 +1,9 @@
 CLASS net/minecraft/class_5537 net/minecraft/item/BundleItem
+	FIELD field_27016 ITEM_BAR_COLOR I
+	METHOD method_31557 emptyBundle (Lnet/minecraft/class_1799;Lnet/minecraft/class_1661;)V
+	METHOD method_31560 addToBundle (Lnet/minecraft/class_1799;Lnet/minecraft/class_1799;)V
+		ARG 0 bundle
+		ARG 1 stack
+	METHOD method_31561 getAmountFilled (Lnet/minecraft/class_1799;)F
+	METHOD method_31562 getItemOccupancy (Lnet/minecraft/class_1799;)I
+	METHOD method_31563 getBundleOccupancy (Lnet/minecraft/class_1799;)I
diff --git a/mappings/net/minecraft/item/Item.mapping b/mappings/net/minecraft/item/Item.mapping
index aadad28efa..7386f27492 100644
--- a/mappings/net/minecraft/item/Item.mapping
+++ b/mappings/net/minecraft/item/Item.mapping
@@ -21,6 +21,12 @@ CLASS net/minecraft/class_1792 net/minecraft/item/Item
 	METHOD method_24357 damage (Lnet/minecraft/class_1282;)Z
 		ARG 1 source
 	METHOD method_24358 isFireproof ()Z
+	METHOD method_31565 onStackClicked (Lnet/minecraft/class_1799;Lnet/minecraft/class_1799;Lnet/minecraft/class_5536;Lnet/minecraft/class_1661;)Z
+	METHOD method_31566 onClicked (Lnet/minecraft/class_1799;Lnet/minecraft/class_1799;Lnet/minecraft/class_5536;Lnet/minecraft/class_1661;)Z
+	METHOD method_31567 isItemBarVisible (Lnet/minecraft/class_1799;)Z
+	METHOD method_31568 hasStoredInventory ()Z
+	METHOD method_31569 getItemBarStep (Lnet/minecraft/class_1799;)I
+	METHOD method_31571 getItemBarColor (Lnet/minecraft/class_1799;)I
 	METHOD method_7836 use (Lnet/minecraft/class_1937;Lnet/minecraft/class_1657;Lnet/minecraft/class_1268;)Lnet/minecraft/class_1271;
 		COMMENT Called when an item is used by a player.
 		COMMENT The use action, by default, is bound to the right mouse button.
diff --git a/mappings/net/minecraft/item/ItemStack.mapping b/mappings/net/minecraft/item/ItemStack.mapping
index 7261630fe4..8924575acd 100644
--- a/mappings/net/minecraft/item/ItemStack.mapping
+++ b/mappings/net/minecraft/item/ItemStack.mapping
@@ -38,6 +38,11 @@ CLASS net/minecraft/class_1799 net/minecraft/item/ItemStack
 	METHOD method_30267 isSectionHidden (ILnet/minecraft/class_1799$class_5422;)Z
 		ARG 0 flags
 	METHOD method_30268 addHideFlag (Lnet/minecraft/class_1799$class_5422;)V
+	METHOD method_31575 onStackClicked (Lnet/minecraft/class_1799;Lnet/minecraft/class_5536;Lnet/minecraft/class_1661;)Z
+	METHOD method_31576 onClicked (Lnet/minecraft/class_1799;Lnet/minecraft/class_5536;Lnet/minecraft/class_1661;)Z
+	METHOD method_31578 isItemBarVisible ()Z
+	METHOD method_31579 getItemBarStep ()I
+	METHOD method_31580 getItemBarColor ()I
 	METHOD method_31573 isIn (Lnet/minecraft/class_3494;)Z
 		ARG 1 tag
 	METHOD method_31574 itemMatches (Lnet/minecraft/class_1792;)Z
diff --git a/mappings/net/minecraft/screen/ScreenHandler.mapping b/mappings/net/minecraft/screen/ScreenHandler.mapping
index c2e838a14e..1fa0856a1d 100644
--- a/mappings/net/minecraft/screen/ScreenHandler.mapping
+++ b/mappings/net/minecraft/screen/ScreenHandler.mapping
@@ -33,6 +33,8 @@ CLASS net/minecraft/class_1703 net/minecraft/screen/ScreenHandler
 		ARG 0 context
 		ARG 1 player
 		ARG 2 block
+	METHOD method_30010 (IILnet/minecraft/class_1713;Lnet/minecraft/class_1657;)Lnet/minecraft/class_1799;
+		ARG 2 clickData
 	METHOD method_7590 setPlayerRestriction (Lnet/minecraft/class_1657;Z)V
 		ARG 1 player
 		ARG 2 unrestricted
@@ -46,6 +48,7 @@ CLASS net/minecraft/class_1703 net/minecraft/screen/ScreenHandler
 	METHOD method_7593 onSlotClick (IILnet/minecraft/class_1713;Lnet/minecraft/class_1657;)Lnet/minecraft/class_1799;
 		COMMENT Performs a slot click. This can behave in many different ways depending mainly on the action type.
 		COMMENT @return The stack that was clicked on before anything changed, used mostly for verifying that the client and server are in sync
+		ARG 2 clickData
 		ARG 3 actionType
 			COMMENT The type of slot click. Check the docs for each SlotActionType value for details
 	METHOD method_7594 unpackQuickCraftStage (I)I
diff --git a/mappings/net/minecraft/util/ClickType.mapping b/mappings/net/minecraft/util/ClickType.mapping
new file mode 100644
index 0000000000..5e8718d9c7
--- /dev/null
+++ b/mappings/net/minecraft/util/ClickType.mapping
@@ -0,0 +1,3 @@
+CLASS net/minecraft/class_5536 net/minecraft/util/ClickType
+	FIELD field_27013 LEFT Lnet/minecraft/class_5536;
+	FIELD field_27014 RIGHT Lnet/minecraft/class_5536;