diff --git a/mappings/net/minecraft/client/gui/screen/world/MoreOptionsDialog.mapping b/mappings/net/minecraft/client/gui/screen/world/MoreOptionsDialog.mapping
index 96aba79473..602d6a8b7d 100644
--- a/mappings/net/minecraft/client/gui/screen/world/MoreOptionsDialog.mapping
+++ b/mappings/net/minecraft/client/gui/screen/world/MoreOptionsDialog.mapping
@@ -8,10 +8,22 @@ CLASS net/minecraft/class_5292 net/minecraft/client/gui/screen/world/MoreOptions
 	FIELD field_24596 mapTypeButton Lnet/minecraft/class_4185;
 	FIELD field_24597 customizeTypeButton Lnet/minecraft/class_4185;
 	FIELD field_24598 generatorOptions Lnet/minecraft/class_5285;
-	FIELD field_24600 seedText Ljava/util/OptionalLong;
+	FIELD field_24600 seed Ljava/util/OptionalLong;
+	FIELD field_25046 LOGGER Lorg/apache/logging/log4j/Logger;
+	FIELD field_25047 CUSTOM_TEXT Lnet/minecraft/class_2561;
+	FIELD field_25048 importOptionsButton Lnet/minecraft/class_4185;
+	FIELD field_25049 generatorType Ljava/util/Optional;
+	FIELD field_25483 registryManager Lnet/minecraft/class_5455$class_5457;
+	FIELD field_26604 MAP_FEATURES_INFO_TEXT Lnet/minecraft/class_2561;
+	METHOD <init> (Lnet/minecraft/class_5455$class_5457;Lnet/minecraft/class_5285;Ljava/util/Optional;Ljava/util/OptionalLong;)V
+		ARG 1 registryManager
+		ARG 2 generatorOptions
+		ARG 3 generatorType
+		ARG 4 seed
 	METHOD method_28085 isDebugWorld ()Z
 	METHOD method_28086 setGeneratorOptions (Lnet/minecraft/class_5285;)V
-	METHOD method_28092 (Lnet/minecraft/class_525;Lnet/minecraft/class_310;Lnet/minecraft/class_327;)V
+		ARG 1 generatorOptions
+	METHOD method_28092 init (Lnet/minecraft/class_525;Lnet/minecraft/class_310;Lnet/minecraft/class_327;)V
 		ARG 1 parent
 		ARG 2 client
 		ARG 3 textRenderer
@@ -20,3 +32,14 @@ CLASS net/minecraft/class_5292 net/minecraft/client/gui/screen/world/MoreOptions
 		ARG 1 hardcore
 	METHOD method_28101 setVisible (Z)V
 		ARG 1 visible
+	METHOD method_29073 importOptions (Lnet/minecraft/class_5455$class_5457;Lnet/minecraft/class_5285;)V
+		ARG 1 registryManager
+		ARG 2 generatorOptions
+	METHOD method_29700 getRegistryManager ()Lnet/minecraft/class_5455$class_5457;
+	METHOD method_30510 toSeedText (Ljava/util/OptionalLong;)Ljava/lang/String;
+		ARG 0 seed
+	METHOD method_30511 getSeed ()Ljava/util/OptionalLong;
+	METHOD method_31132 loadDatapacks (Lnet/minecraft/class_5350;)V
+		ARG 1 serverResourceManager
+	METHOD method_31133 (Lnet/minecraft/class_5455$class_5457;Lnet/minecraft/class_5285;)V
+		ARG 2 generatorOptions
diff --git a/mappings/net/minecraft/client/world/GeneratorType.mapping b/mappings/net/minecraft/client/world/GeneratorType.mapping
index 1deadac50a..43f37b5005 100644
--- a/mappings/net/minecraft/client/world/GeneratorType.mapping
+++ b/mappings/net/minecraft/client/world/GeneratorType.mapping
@@ -22,6 +22,8 @@ CLASS net/minecraft/class_5317 net/minecraft/client/world/GeneratorType
 		ARG 2 seed
 		ARG 4 generateStructures
 		ARG 5 bonusChest
+	METHOD method_29078 fromGeneratorOptions (Lnet/minecraft/class_5285;)Ljava/util/Optional;
+		ARG 0 generatorOptions
 	METHOD method_29079 createFixedBiomeOptions (Lnet/minecraft/class_5455;Lnet/minecraft/class_5285;Lnet/minecraft/class_5317;Lnet/minecraft/class_1959;)Lnet/minecraft/class_5285;
 		ARG 0 registryManager
 		ARG 1 generatorOptions
diff --git a/mappings/net/minecraft/util/Util.mapping b/mappings/net/minecraft/util/Util.mapping
index b195594c24..46740c6440 100644
--- a/mappings/net/minecraft/util/Util.mapping
+++ b/mappings/net/minecraft/util/Util.mapping
@@ -47,6 +47,9 @@ CLASS net/minecraft/class_156 net/minecraft/util/Util
 	METHOD method_29187 getChoiceType (Lcom/mojang/datafixers/DSL$TypeReference;Ljava/lang/String;)Lcom/mojang/datafixers/types/Type;
 		ARG 0 typeReference
 		ARG 1 id
+	METHOD method_29188 addPrefix (Ljava/lang/String;Ljava/util/function/Consumer;)Ljava/util/function/Consumer;
+		ARG 0 prefix
+		ARG 1 consumer
 	METHOD method_29190 toIntArray (Ljava/util/stream/IntStream;I)Lcom/mojang/serialization/DataResult;
 		ARG 0 intStream
 		ARG 1 length