diff --git a/mappings/net/minecraft/item/BundleItem.mapping b/mappings/net/minecraft/item/BundleItem.mapping
index 15b0906e43..780ec711a2 100644
--- a/mappings/net/minecraft/item/BundleItem.mapping
+++ b/mappings/net/minecraft/item/BundleItem.mapping
@@ -1,5 +1,7 @@
 CLASS net/minecraft/class_5537 net/minecraft/item/BundleItem
 	FIELD field_27016 ITEM_BAR_COLOR I
+	METHOD method_31558 (Lnet/minecraft/class_1799;Lnet/minecraft/class_2487;)Z
+		ARG 1 item
 	METHOD method_31560 addToBundle (Lnet/minecraft/class_1799;Lnet/minecraft/class_1799;)I
 		ARG 0 bundle
 		ARG 1 stack
@@ -9,10 +11,15 @@ CLASS net/minecraft/class_5537 net/minecraft/item/BundleItem
 		ARG 0 stack
 	METHOD method_31563 getBundleOccupancy (Lnet/minecraft/class_1799;)I
 		ARG 0 stack
+	METHOD method_32344 canMergeStack (Lnet/minecraft/class_1799;Lnet/minecraft/class_2499;)Ljava/util/Optional;
+		ARG 0 stack
+		ARG 1 items
 	METHOD method_32345 getBundledStacks (Lnet/minecraft/class_1799;)Ljava/util/stream/Stream;
 		ARG 0 stack
 	METHOD method_32757 dropAllBundledItems (Lnet/minecraft/class_1799;Lnet/minecraft/class_1657;)Z
 		ARG 0 stack
 		ARG 1 player
+	METHOD method_32758 (Lnet/minecraft/class_1799;Lnet/minecraft/class_1735;Lnet/minecraft/class_1799;)V
+		ARG 2 removedStack
 	METHOD method_32759 removeFirstStack (Lnet/minecraft/class_1799;)Ljava/util/Optional;
 		ARG 0 stack
diff --git a/mappings/net/minecraft/item/FluidModificationItem.mapping b/mappings/net/minecraft/item/FluidModificationItem.mapping
index 786d54315c..3741e1a15e 100644
--- a/mappings/net/minecraft/item/FluidModificationItem.mapping
+++ b/mappings/net/minecraft/item/FluidModificationItem.mapping
@@ -1,5 +1,9 @@
 CLASS net/minecraft/class_5633 net/minecraft/item/FluidModificationItem
 	METHOD method_7728 onEmptied (Lnet/minecraft/class_1657;Lnet/minecraft/class_1937;Lnet/minecraft/class_1799;Lnet/minecraft/class_2338;)V
+		ARG 1 player
+		ARG 2 world
+		ARG 3 stack
+		ARG 4 pos
 	METHOD method_7731 placeFluid (Lnet/minecraft/class_1657;Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_3965;)Z
 		ARG 1 player
 		ARG 2 world
diff --git a/mappings/net/minecraft/item/ItemStack.mapping b/mappings/net/minecraft/item/ItemStack.mapping
index 959fe1b8f4..bb7ff87549 100644
--- a/mappings/net/minecraft/item/ItemStack.mapping
+++ b/mappings/net/minecraft/item/ItemStack.mapping
@@ -33,9 +33,17 @@ CLASS net/minecraft/class_1799 net/minecraft/item/ItemStack
 	METHOD method_19267 isFood ()Z
 	METHOD method_21832 getDrinkSound ()Lnet/minecraft/class_3414;
 	METHOD method_21833 getEatSound ()Lnet/minecraft/class_3414;
+	METHOD method_26963 (Ljava/text/DecimalFormat;)V
+		ARG 0 decimalFormat
 	METHOD method_27319 getHolder ()Lnet/minecraft/class_1297;
 	METHOD method_27320 setHolder (Lnet/minecraft/class_1297;)V
 		ARG 1 holder
+	METHOD method_28377 (Lnet/minecraft/class_1799;)Ljava/util/Optional;
+		ARG 0 stack
+	METHOD method_28378 (Lnet/minecraft/class_1799;)Ljava/lang/Integer;
+		ARG 0 stack
+	METHOD method_28379 (Lnet/minecraft/class_1799;)Lnet/minecraft/class_1792;
+		ARG 0 stack
 	METHOD method_30266 getHideFlags ()I
 	METHOD method_30267 isSectionVisible (ILnet/minecraft/class_1799$class_5422;)Z
 		COMMENT Determines whether the given tooltip section will be visible according to the given flags.
diff --git a/mappings/net/minecraft/item/PickaxeItem.mapping b/mappings/net/minecraft/item/PickaxeItem.mapping
index a997ee1311..c6b6b7ec8e 100644
--- a/mappings/net/minecraft/item/PickaxeItem.mapping
+++ b/mappings/net/minecraft/item/PickaxeItem.mapping
@@ -6,3 +6,5 @@ CLASS net/minecraft/class_1810 net/minecraft/item/PickaxeItem
 		ARG 2 attackDamage
 		ARG 3 attackSpeed
 		ARG 4 settings
+	METHOD method_31581 (Lit/unimi/dsi/fastutil/objects/Object2IntOpenHashMap;)V
+		ARG 0 miningLevels