diff --git a/mappings/net/minecraft/structure/pool/StructurePoolBasedGenerator.mapping b/mappings/net/minecraft/structure/pool/StructurePoolBasedGenerator.mapping
index 55668c8f13..9e139f8748 100644
--- a/mappings/net/minecraft/structure/pool/StructurePoolBasedGenerator.mapping
+++ b/mappings/net/minecraft/structure/pool/StructurePoolBasedGenerator.mapping
@@ -1,5 +1,14 @@
 CLASS net/minecraft/class_3778 net/minecraft/structure/pool/StructurePoolBasedGenerator
 	FIELD field_16665 LOGGER Lorg/apache/logging/log4j/Logger;
+	METHOD method_30419 generate (Lnet/minecraft/class_5455;Lnet/minecraft/class_3812;Lnet/minecraft/class_3778$class_3779;Lnet/minecraft/class_2794;Lnet/minecraft/class_3485;Lnet/minecraft/class_2338;Lnet/minecraft/class_6130;Ljava/util/Random;ZZLnet/minecraft/class_5539;)V
+		ARG 0 dynamicRegistries
+		ARG 1 config
+		ARG 2 pieceFactory
+		ARG 5 pos
+		ARG 6 children
+		ARG 8 modifyBoundingBox
+		ARG 9 surface
+		ARG 10 world
 	CLASS class_3779 PieceFactory
 		METHOD create (Lnet/minecraft/class_3485;Lnet/minecraft/class_3784;Lnet/minecraft/class_2338;ILnet/minecraft/class_2470;Lnet/minecraft/class_3341;)Lnet/minecraft/class_3790;
 			ARG 1 structureManager
@@ -39,4 +48,5 @@ CLASS net/minecraft/class_3778 net/minecraft/structure/pool/StructurePoolBasedGe
 			ARG 2 pieceShape
 			ARG 3 minY
 			ARG 4 currentSize
+			ARG 5 modifyBoundingBox
 			ARG 6 world
diff --git a/mappings/net/minecraft/world/gen/feature/JigsawFeature.mapping b/mappings/net/minecraft/world/gen/feature/JigsawFeature.mapping
index 0a93074899..e1c3bea931 100644
--- a/mappings/net/minecraft/world/gen/feature/JigsawFeature.mapping
+++ b/mappings/net/minecraft/world/gen/feature/JigsawFeature.mapping
@@ -1,13 +1,21 @@
 CLASS net/minecraft/class_5434 net/minecraft/world/gen/feature/JigsawFeature
 	FIELD field_25835 structureStartY I
+	FIELD field_25836 modifyBoundingBox Z
 	FIELD field_25837 surface Z
 	METHOD <init> (Lcom/mojang/serialization/Codec;IZZ)V
 		ARG 1 codec
 		ARG 2 structureStartY
+		ARG 3 modifyBoundingBox
 		ARG 4 surface
 	METHOD method_30386 (Lnet/minecraft/class_3195;Lnet/minecraft/class_1923;IJ)Lnet/minecraft/class_3449;
 		ARG 1 feature
+		ARG 2 pos
+		ARG 3 references
+		ARG 4 seed
 	CLASS class_5435 Start
 		FIELD field_25838 jigsawFeature Lnet/minecraft/class_5434;
 		METHOD <init> (Lnet/minecraft/class_5434;Lnet/minecraft/class_1923;IJ)V
 			ARG 1 feature
+			ARG 2 pos
+			ARG 3 references
+			ARG 4 seed
diff --git a/mappings/net/minecraft/world/gen/feature/StructureFeature.mapping b/mappings/net/minecraft/world/gen/feature/StructureFeature.mapping
index cf0533bd25..0993c9de6a 100644
--- a/mappings/net/minecraft/world/gen/feature/StructureFeature.mapping
+++ b/mappings/net/minecraft/world/gen/feature/StructureFeature.mapping
@@ -2,9 +2,10 @@ CLASS net/minecraft/class_3195 net/minecraft/world/gen/feature/StructureFeature
 	FIELD field_13879 LOGGER Lorg/apache/logging/log4j/Logger;
 	FIELD field_24842 STRUCTURES Lcom/google/common/collect/BiMap;
 	FIELD field_24851 SWAMP_HUT Lnet/minecraft/class_3197;
-	FIELD field_24861 JIGSAW_STRUCTURES Ljava/util/List;
+	FIELD field_24861 LAND_MODIFYING_STRUCTURES Ljava/util/List;
 	FIELD field_24862 STRUCTURE_TO_GENERATION_STEP Ljava/util/Map;
 	FIELD field_24863 codec Lcom/mojang/serialization/Codec;
+	FIELD field_25839 JIGSAW_STRUCTURE_PIECES Ljava/util/Map;
 	FIELD field_26362 JIGSAW_ID Lnet/minecraft/class_2960;
 	METHOD <init> (Lcom/mojang/serialization/Codec;)V
 		ARG 1 codec
@@ -97,3 +98,5 @@ CLASS net/minecraft/class_3195 net/minecraft/world/gen/feature/StructureFeature
 		METHOD create (Lnet/minecraft/class_3195;Lnet/minecraft/class_1923;IJ)Lnet/minecraft/class_3449;
 			ARG 1 feature
 			ARG 2 pos
+			ARG 3 references
+			ARG 4 seed
diff --git a/mappings/net/minecraft/world/gen/feature/StructurePoolFeatureConfig.mapping b/mappings/net/minecraft/world/gen/feature/StructurePoolFeatureConfig.mapping
index 9d76818228..9840ea19bc 100644
--- a/mappings/net/minecraft/world/gen/feature/StructurePoolFeatureConfig.mapping
+++ b/mappings/net/minecraft/world/gen/feature/StructurePoolFeatureConfig.mapping
@@ -1,7 +1,6 @@
 CLASS net/minecraft/class_3812 net/minecraft/world/gen/feature/StructurePoolFeatureConfig
 	COMMENT A feature config that specifies a starting pool and a size for {@linkplain
-	COMMENT net.minecraft.structure.pool.StructurePoolBasedGenerator#method_30419
-	COMMENT method_30419}.
+	COMMENT net.minecraft.structure.pool.StructurePoolBasedGenerator#generate}.
 	FIELD field_16860 size I
 	FIELD field_16861 startPool Ljava/util/function/Supplier;
 	FIELD field_24886 CODEC Lcom/mojang/serialization/Codec;