diff --git a/build.gradle b/build.gradle
index 870170e62e..fef12f3c25 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ plugins {
 	id 'net.fabricmc.filament' version '0.3.0'
 }
 
-def minecraft_version = "1.18_experimental-snapshot-2"
+def minecraft_version = "1.18_experimental-snapshot-3"
 
 def ENV = System.getenv()
 // Fetch build number from Github Actions
diff --git a/mappings/net/minecraft/util/function/ToFloatFunction.mapping b/mappings/net/minecraft/util/function/ToFloatFunction.mapping
index 8d40458d17..38f8d90e80 100644
--- a/mappings/net/minecraft/util/function/ToFloatFunction.mapping
+++ b/mappings/net/minecraft/util/function/ToFloatFunction.mapping
@@ -1,4 +1,3 @@
 CLASS net/minecraft/class_6468 net/minecraft/util/function/ToFloatFunction
-	METHOD apply (Ljava/lang/Object;)F
 	METHOD method_37749 combine (Lnet/minecraft/class_6468;Lnet/minecraft/class_6462$class_6465;)Lnet/minecraft/class_6468;
 		ARG 1 other
diff --git a/mappings/net/minecraft/world/SpawnHelper.mapping b/mappings/net/minecraft/world/SpawnHelper.mapping
index 05d238ce8d..8547794aaa 100644
--- a/mappings/net/minecraft/world/SpawnHelper.mapping
+++ b/mappings/net/minecraft/world/SpawnHelper.mapping
@@ -30,14 +30,12 @@ CLASS net/minecraft/class_1948 net/minecraft/world/SpawnHelper
 		ARG 4 spawnEntry
 		ARG 5 pos
 		ARG 6 squaredDistance
-	METHOD method_27815 setupSpawn (ILjava/lang/Iterable;Lnet/minecraft/class_1948$class_5260;)Lnet/minecraft/class_1948$class_5262;
+	METHOD method_27815 setupSpawn (ILjava/lang/Iterable;Lnet/minecraft/class_1948$class_5260;Lnet/minecraft/class_6480;)Lnet/minecraft/class_1948$class_5262;
 		ARG 0 spawningChunkCount
 		ARG 1 entities
 		ARG 2 chunkSource
 	METHOD method_27816 (Lnet/minecraft/class_1311;)Z
 		ARG 0 spawnGroup
-	METHOD method_27819 (Lnet/minecraft/class_2338;Lnet/minecraft/class_1297;Lnet/minecraft/class_5263;Lit/unimi/dsi/fastutil/objects/Object2IntOpenHashMap;Lnet/minecraft/class_1311;Lnet/minecraft/class_2818;)V
-		ARG 5 chunk
 	METHOD method_27821 spawn (Lnet/minecraft/class_3218;Lnet/minecraft/class_2818;Lnet/minecraft/class_1948$class_5262;ZZZ)V
 		ARG 0 world
 		ARG 1 chunk
@@ -52,8 +50,6 @@ CLASS net/minecraft/class_1948 net/minecraft/world/SpawnHelper
 		ARG 0 world
 		ARG 1 structureAccessor
 		ARG 2 chunkGenerator
-		ARG 3 spawnGroup
-		ARG 4 pos
 		ARG 5 biome
 	METHOD method_35238 (Lnet/minecraft/class_1299;Lnet/minecraft/class_2338;Lnet/minecraft/class_2791;)Z
 		ARG 0 type
@@ -66,9 +62,6 @@ CLASS net/minecraft/class_1948 net/minecraft/world/SpawnHelper
 		ARG 0 group
 		ARG 1 world
 		ARG 2 pos
-	METHOD method_8657 getSpawnPos (Lnet/minecraft/class_1937;Lnet/minecraft/class_2818;)Lnet/minecraft/class_2338;
-		ARG 0 world
-		ARG 1 chunk
 	METHOD method_8658 getEntitySpawnPos (Lnet/minecraft/class_4538;Lnet/minecraft/class_1299;II)Lnet/minecraft/class_2338;
 		ARG 0 world
 		ARG 1 entityType
@@ -131,20 +124,16 @@ CLASS net/minecraft/class_1948 net/minecraft/world/SpawnHelper
 		FIELD field_24398 cachedPos Lnet/minecraft/class_2338;
 		FIELD field_24399 cachedEntityType Lnet/minecraft/class_1299;
 		FIELD field_24400 cachedDensityMass D
-		METHOD <init> (ILit/unimi/dsi/fastutil/objects/Object2IntOpenHashMap;Lnet/minecraft/class_5263;)V
+		METHOD <init> (ILit/unimi/dsi/fastutil/objects/Object2IntOpenHashMap;Lnet/minecraft/class_5263;Lnet/minecraft/class_6480;)V
 			ARG 1 spawningChunkCount
-			ARG 2 groupToCount
 			ARG 3 densityField
 		METHOD method_27823 getSpawningChunkCount ()I
 		METHOD method_27824 test (Lnet/minecraft/class_1299;Lnet/minecraft/class_2338;Lnet/minecraft/class_2791;)Z
 			COMMENT @see SpawnHelper.Checker#test(EntityType, BlockPos, Chunk)
 			ARG 1 type
-			ARG 2 pos
-			ARG 3 chunk
 		METHOD method_27825 run (Lnet/minecraft/class_1308;Lnet/minecraft/class_2791;)V
 			COMMENT @see SpawnHelper.Runner#run(MobEntity, Chunk)
 			ARG 1 entity
 			ARG 2 chunk
-		METHOD method_27826 isBelowCap (Lnet/minecraft/class_1311;)Z
-			ARG 1 group
+		METHOD method_27826 isBelowCap (Lnet/minecraft/class_1311;Lnet/minecraft/class_1923;)Z
 		METHOD method_27830 getGroupToCount ()Lit/unimi/dsi/fastutil/objects/Object2IntMap;
diff --git a/mappings/net/minecraft/world/biome/source/BiomeSource.mapping b/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
index 5c5e10e0f8..33a796f4f1 100644
--- a/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
+++ b/mappings/net/minecraft/world/biome/source/BiomeSource.mapping
@@ -14,11 +14,6 @@ CLASS net/minecraft/class_1966 net/minecraft/world/biome/source/BiomeSource
 		ARG 1 seed
 	METHOD method_28442 getCodec ()Lcom/mojang/serialization/Codec;
 	METHOD method_28443 getBiomes ()Ljava/util/List;
-	METHOD method_37612 getTerrainParameters (II)[D
-		COMMENT {@return an array containing an {@code offset} and a {@code factor} value
-		COMMENT for terrain generation}
-		ARG 1 x
-		ARG 2 z
 	METHOD method_37617 addDebugInfo (Ljava/util/List;Lnet/minecraft/class_2338;)V
 		ARG 1 info
 		ARG 2 pos
diff --git a/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping b/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
index 3eaf643912..46a952e57b 100644
--- a/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
+++ b/mappings/net/minecraft/world/biome/source/util/VanillaBiomeParameters.mapping
@@ -25,9 +25,6 @@ CLASS net/minecraft/class_6461 net/minecraft/world/biome/source/util/VanillaBiom
 		ARG 1 temperature
 		ARG 2 humidity
 		ARG 3 weirdness
-	METHOD method_37704 getBiomeOrShatteredSavanna (ILnet/minecraft/class_5321;)Lnet/minecraft/class_5321;
-		ARG 1 temperature
-		ARG 2 biome
 	METHOD method_37705 writeVanillaBiomeParameters (Lcom/google/common/collect/ImmutableList$Builder;)V
 		ARG 1 parameters
 	METHOD method_37706 writeMountainousBiomes (Lcom/google/common/collect/ImmutableList$Builder;Lnet/minecraft/class_6452$class_6454;)V
@@ -79,9 +76,3 @@ CLASS net/minecraft/class_6461 net/minecraft/world/biome/source/util/VanillaBiom
 	METHOD method_37718 writeRiverBiomes (Lcom/google/common/collect/ImmutableList$Builder;Lnet/minecraft/class_6452$class_6454;)V
 		ARG 1 parameters
 		ARG 2 weirdness
-	METHOD method_37827 writeBiomeAtShore (Lcom/google/common/collect/ImmutableList$Builder;Lnet/minecraft/class_6452$class_6454;Lnet/minecraft/class_6452$class_6454;Lnet/minecraft/class_6452$class_6454;Lnet/minecraft/class_5321;)V
-		ARG 1 parameters
-		ARG 2 temperature
-		ARG 3 humidity
-		ARG 4 weirdness
-		ARG 5 biome
diff --git a/mappings/net/minecraft/world/gen/surfacebuilder/DefaultSurfaceBuilder.mapping b/mappings/net/minecraft/world/gen/surfacebuilder/DefaultSurfaceBuilder.mapping
index fa2f46f69b..ada6cdac5e 100644
--- a/mappings/net/minecraft/world/gen/surfacebuilder/DefaultSurfaceBuilder.mapping
+++ b/mappings/net/minecraft/world/gen/surfacebuilder/DefaultSurfaceBuilder.mapping
@@ -12,10 +12,6 @@ CLASS net/minecraft/class_3510 net/minecraft/world/gen/surfacebuilder/DefaultSur
 		ARG 10 fluidBlock
 		ARG 11 topBlock
 		ARG 12 underBlock
-	METHOD method_37829 getSturdyBlockState (Lnet/minecraft/class_2680;Lnet/minecraft/class_2791;Lnet/minecraft/class_2338;)Lnet/minecraft/class_2680;
-		ARG 0 state
-		ARG 1 chunk
-		ARG 2 pos
 	METHOD method_37830 isPosAboveAirOrFluid (Lnet/minecraft/class_2791;Lnet/minecraft/class_2338;)Z
 		ARG 0 chunk
 		ARG 1 pos