diff --git a/mappings/net/minecraft/server/world/ServerWorld.mapping b/mappings/net/minecraft/server/world/ServerWorld.mapping
index e78c936bbc..2fd4e9d908 100644
--- a/mappings/net/minecraft/server/world/ServerWorld.mapping
+++ b/mappings/net/minecraft/server/world/ServerWorld.mapping
@@ -64,6 +64,7 @@ CLASS net/minecraft/class_3218 net/minecraft/server/world/ServerWorld
 	METHOD method_14176 save (Lnet/minecraft/class_3536;ZZ)V
 		ARG 1 progressListener
 		ARG 2 flush
+		ARG 3 savingDisabled
 	METHOD method_14177 isInBlockTick ()Z
 	METHOD method_14183 getStructureManager ()Lnet/minecraft/class_3485;
 	METHOD method_14188 saveLevel ()V
diff --git a/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping b/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
index cc7c5a4962..c6a46fa3ca 100644
--- a/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
+++ b/mappings/net/minecraft/server/world/ThreadedAnvilChunkStorage.mapping
@@ -218,6 +218,8 @@ CLASS net/minecraft/class_3898 net/minecraft/server/world/ThreadedAnvilChunkStor
 		ARG 2 pos
 	METHOD method_38783 shouldTick (Lnet/minecraft/class_1923;)Z
 		ARG 1 pos
+	METHOD method_39925 save (Lnet/minecraft/class_3193;)Z
+		ARG 1 chunkHolder
 	CLASS class_3208 EntityTracker
 		COMMENT An entity tracker governs which players' clients can see an entity. Each
 		COMMENT tracker corresponds to one entity in a server world and is mapped from the
diff --git a/mappings/net/minecraft/world/biome/Biome.mapping b/mappings/net/minecraft/world/biome/Biome.mapping
index db69dbeb06..910d0cae86 100644
--- a/mappings/net/minecraft/world/biome/Biome.mapping
+++ b/mappings/net/minecraft/world/biome/Biome.mapping
@@ -36,6 +36,12 @@ CLASS net/minecraft/class_1959 net/minecraft/world/biome/Biome
 		ARG 1 pos
 	METHOD method_38104 (Lcom/mojang/serialization/codecs/RecordCodecBuilder$Instance;)Lcom/mojang/datafixers/kinds/App;
 		ARG 0 instance
+	METHOD method_39927 doesNotSnow (Lnet/minecraft/class_2338;)Z
+		ARG 1 pos
+	METHOD method_39928 shouldGenerateLowerFrozenOceanSurface (Lnet/minecraft/class_2338;)Z
+		ARG 1 pos
+	METHOD method_39929 isHot (Lnet/minecraft/class_2338;)Z
+		ARG 1 pos
 	METHOD method_8685 canSetIce (Lnet/minecraft/class_4538;Lnet/minecraft/class_2338;Z)Z
 		ARG 1 world
 		ARG 2 pos
diff --git a/mappings/net/minecraft/world/biome/source/util/VanillaTerrainParametersCreator.mapping b/mappings/net/minecraft/world/biome/source/util/VanillaTerrainParametersCreator.mapping
index 01d0a22066..c6eff4db64 100644
--- a/mappings/net/minecraft/world/biome/source/util/VanillaTerrainParametersCreator.mapping
+++ b/mappings/net/minecraft/world/biome/source/util/VanillaTerrainParametersCreator.mapping
@@ -1,4 +1,6 @@
 CLASS net/minecraft/class_6765 net/minecraft/world/biome/source/util/VanillaTerrainParametersCreator
 	METHOD method_39421 createSurfaceParameters (Z)Lnet/minecraft/class_6555;
-	METHOD method_39422 createUndergroundParameters ()Lnet/minecraft/class_6555;
-	METHOD method_39423 createIslandParameters ()Lnet/minecraft/class_6555;
+	METHOD method_39422 createNetherParameters ()Lnet/minecraft/class_6555;
+	METHOD method_39423 createEndParameters ()Lnet/minecraft/class_6555;
+	METHOD method_39923 createCavesParameters ()Lnet/minecraft/class_6555;
+	METHOD method_39924 createFloatingIslandsParameters ()Lnet/minecraft/class_6555;
diff --git a/mappings/net/minecraft/world/gen/blockpredicate/BlockPredicate.mapping b/mappings/net/minecraft/world/gen/blockpredicate/BlockPredicate.mapping
index 0be34e55ad..92db7e4fb3 100644
--- a/mappings/net/minecraft/world/gen/blockpredicate/BlockPredicate.mapping
+++ b/mappings/net/minecraft/world/gen/blockpredicate/BlockPredicate.mapping
@@ -53,3 +53,5 @@ CLASS net/minecraft/class_6646 net/minecraft/world/gen/blockpredicate/BlockPredi
 		ARG 1 face
 	METHOD method_39910 matchingBlocks (Ljava/util/List;)Lnet/minecraft/class_6646;
 		ARG 0 blocks
+	METHOD method_39930 hasSturdyFace (Lnet/minecraft/class_2350;)Lnet/minecraft/class_6646;
+		ARG 0 face
diff --git a/mappings/net/minecraft/world/gen/feature/DefaultBiomeFeatures.mapping b/mappings/net/minecraft/world/gen/feature/DefaultBiomeFeatures.mapping
index 0677d56087..b461eeab12 100644
--- a/mappings/net/minecraft/world/gen/feature/DefaultBiomeFeatures.mapping
+++ b/mappings/net/minecraft/world/gen/feature/DefaultBiomeFeatures.mapping
@@ -173,3 +173,9 @@ CLASS net/minecraft/class_3864 net/minecraft/world/gen/feature/DefaultBiomeFeatu
 		ARG 0 builder
 	METHOD method_39420 addFrozenLavaSpring (Lnet/minecraft/class_5485$class_5495;)V
 		ARG 0 builder
+	METHOD method_39931 addMelons (Lnet/minecraft/class_5485$class_5495;)V
+		ARG 0 builder
+	METHOD method_39932 addSparseMelons (Lnet/minecraft/class_5485$class_5495;)V
+		ARG 0 builder
+	METHOD method_39933 addVines (Lnet/minecraft/class_5485$class_5495;)V
+		ARG 0 builder
diff --git a/mappings/net/minecraft/world/gen/feature/VegetationPlacedFeatures.mapping b/mappings/net/minecraft/world/gen/feature/VegetationPlacedFeatures.mapping
index 628b4bb9cf..e606bbf12f 100644
--- a/mappings/net/minecraft/world/gen/feature/VegetationPlacedFeatures.mapping
+++ b/mappings/net/minecraft/world/gen/feature/VegetationPlacedFeatures.mapping
@@ -71,6 +71,7 @@ CLASS net/minecraft/class_6819 net/minecraft/world/gen/feature/VegetationPlacedF
 	FIELD field_36183 PATCH_LARGE_FERN Lnet/minecraft/class_6796;
 	FIELD field_36184 PATCH_CACTUS_DESERT Lnet/minecraft/class_6796;
 	FIELD field_36185 PATCH_CACTUS_DECORATED Lnet/minecraft/class_6796;
+	FIELD field_36292 PATCH_MELON_SPARSE Lnet/minecraft/class_6796;
 	METHOD method_39738 modifiers (I)Ljava/util/List;
 		ARG 0 count
 	METHOD method_39739 modifiersWithChance (ILnet/minecraft/class_6797;)Ljava/util/List;