diff --git a/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping b/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
index 71cbbca858..2d3bae8e1e 100644
--- a/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
+++ b/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
@@ -1,4 +1,15 @@
 CLASS net/minecraft/class_8679 net/minecraft/client/render/ChunkRenderingDataPreparer
+	FIELD field_45617 LOGGER Lorg/slf4j/Logger;
+	FIELD field_45625 propagatationContext Ljava/util/concurrent/atomic/AtomicReference;
+	METHOD method_52821 (Lnet/minecraft/class_4184;Ljava/util/Queue;)V
+		ARG 1 camera
+	METHOD method_52825 (Lnet/minecraft/class_8679$class_6600;Lnet/minecraft/class_243;Ljava/util/Queue;ZLjava/util/function/Consumer;)V
+		ARG 2 cameraPos
+	METHOD method_52826 updateBuiltChunkStorage (Lnet/minecraft/class_769;)V
+	METHOD method_52828 applyFrustum (Lnet/minecraft/class_4604;Ljava/util/List;)V
+	METHOD method_52832 shouldRenderBlock (Lnet/minecraft/class_2338;Lnet/minecraft/class_2338;)Z
+		ARG 1 cameraPos
+		ARG 2 pos
 	CLASS class_762 ChunkInfo
 		FIELD field_4122 propagationLevel I
 		FIELD field_4124 chunk Lnet/minecraft/class_846$class_851;
@@ -31,5 +42,10 @@ CLASS net/minecraft/class_8679 net/minecraft/client/render/ChunkRenderingDataPre
 			ARG 2 info
 	CLASS class_6600 RenderableChunks
 		FIELD field_34819 chunks Ljava/util/LinkedHashSet;
+		FIELD field_45628 builtChunks Lit/unimi/dsi/fastutil/longs/Long2ObjectMap;
 		METHOD <init> (I)V
 			ARG 1 chunkCount
+	CLASS class_8680 BuilderPropagatationContext
+	CLASS class_8681
+		METHOD <init> (I)V
+			ARG 1 size
diff --git a/mappings/net/minecraft/client/render/WorldRenderer.mapping b/mappings/net/minecraft/client/render/WorldRenderer.mapping
index 3cd347e178..0600809f6a 100644
--- a/mappings/net/minecraft/client/render/WorldRenderer.mapping
+++ b/mappings/net/minecraft/client/render/WorldRenderer.mapping
@@ -65,6 +65,8 @@ CLASS net/minecraft/class_761 net/minecraft/client/render/WorldRenderer
 	FIELD field_4118 lastTranslucentSortZ D
 	FIELD field_4119 playingSongs Ljava/util/Map;
 	FIELD field_4121 cameraChunkZ I
+	FIELD field_45614 chunkBuilder Lnet/minecraft/class_846;
+	FIELD field_45616 builtChunks Lit/unimi/dsi/fastutil/objects/ObjectArrayList;
 	METHOD <init> (Lnet/minecraft/class_310;Lnet/minecraft/class_898;Lnet/minecraft/class_824;Lnet/minecraft/class_4599;)V
 		ARG 1 client
 		ARG 2 entityRenderDispatcher