diff --git a/mappings/net/minecraft/util/math/intprovider/ClampedNormalIntProvider.mapping b/mappings/net/minecraft/util/math/intprovider/ClampedNormalIntProvider.mapping
new file mode 100644
index 0000000000..b1b917e976
--- /dev/null
+++ b/mappings/net/minecraft/util/math/intprovider/ClampedNormalIntProvider.mapping
@@ -0,0 +1,2 @@
+CLASS net/minecraft/class_6728 net/minecraft/util/math/intprovider/ClampedNormalIntProvider
+	FIELD field_35352 CODEC Lcom/mojang/serialization/Codec;
diff --git a/mappings/net/minecraft/util/registry/BuiltinRegistries.mapping b/mappings/net/minecraft/util/registry/BuiltinRegistries.mapping
index f54c477447..01becbab12 100644
--- a/mappings/net/minecraft/util/registry/BuiltinRegistries.mapping
+++ b/mappings/net/minecraft/util/registry/BuiltinRegistries.mapping
@@ -19,6 +19,7 @@ CLASS net/minecraft/class_5458 net/minecraft/util/registry/BuiltinRegistries
 	FIELD field_25934 DEFAULT_VALUE_SUPPLIERS Ljava/util/Map;
 	FIELD field_25935 ROOT Lnet/minecraft/class_2385;
 	FIELD field_26375 CHUNK_GENERATOR_SETTINGS Lnet/minecraft/class_2378;
+	FIELD field_35435 NOISE_PARAMETERS Lnet/minecraft/class_2378;
 	METHOD method_30559 init ()V
 	METHOD method_30560 set (Lnet/minecraft/class_2378;Lnet/minecraft/class_5321;Ljava/lang/Object;)Ljava/lang/Object;
 		ARG 0 registry
diff --git a/mappings/net/minecraft/world/gen/noise/BuiltinNoiseParameters.mapping b/mappings/net/minecraft/world/gen/noise/BuiltinNoiseParameters.mapping
new file mode 100644
index 0000000000..1ac5ee8317
--- /dev/null
+++ b/mappings/net/minecraft/world/gen/noise/BuiltinNoiseParameters.mapping
@@ -0,0 +1,3 @@
+CLASS net/minecraft/class_6736 net/minecraft/world/gen/noise/BuiltinNoiseParameters
+	METHOD method_39216 init ()Lnet/minecraft/class_5216$class_5487;
+	METHOD method_39217 register (Lnet/minecraft/class_5321;ID[D)V
diff --git a/mappings/net/minecraft/world/gen/noise/NoiseParametersKeys.mapping b/mappings/net/minecraft/world/gen/noise/NoiseParametersKeys.mapping
new file mode 100644
index 0000000000..0ed9a108f2
--- /dev/null
+++ b/mappings/net/minecraft/world/gen/noise/NoiseParametersKeys.mapping
@@ -0,0 +1,3 @@
+CLASS net/minecraft/class_6731 net/minecraft/world/gen/noise/NoiseParametersKeys
+	METHOD method_39174 register (Ljava/lang/String;)Lnet/minecraft/class_5321;
+		ARG 0 id