diff --git a/mappings/net/minecraft/GameVersion.mapping b/mappings/net/minecraft/GameVersion.mapping
new file mode 100644
index 0000000000..142a7e5e37
--- /dev/null
+++ b/mappings/net/minecraft/GameVersion.mapping
@@ -0,0 +1,5 @@
+CLASS net/minecraft/class_6418 net/minecraft/GameVersion
+	COMMENT The game version interface used by Minecraft, replacing the javabridge
+	COMMENT one's occurences in Minecraft code.
+	METHOD method_37483 getSaveVersion ()Lnet/minecraft/class_6477;
+		COMMENT {@return the save version information for this game version}
diff --git a/mappings/net/minecraft/MinecraftVersion.mapping b/mappings/net/minecraft/MinecraftVersion.mapping
index c728988fde..9b9a567855 100644
--- a/mappings/net/minecraft/MinecraftVersion.mapping
+++ b/mappings/net/minecraft/MinecraftVersion.mapping
@@ -2,13 +2,13 @@ CLASS net/minecraft/class_3797 net/minecraft/MinecraftVersion
 	FIELD field_16733 name Ljava/lang/String;
 	FIELD field_16734 dataPackVersion I
 	FIELD field_16735 protocolVersion I
-	FIELD field_16736 worldVersion Lnet/minecraft/class_6477;
+	FIELD field_16736 saveVersion Lnet/minecraft/class_6477;
 	FIELD field_16737 stable Z
 	FIELD field_16738 id Ljava/lang/String;
 	FIELD field_16739 buildTime Ljava/util/Date;
 	FIELD field_16740 releaseTarget Ljava/lang/String;
 	FIELD field_16741 LOGGER Lorg/apache/logging/log4j/Logger;
-	FIELD field_25319 GAME_VERSION Lnet/minecraft/class_6418;
+	FIELD field_25319 CURRENT Lnet/minecraft/class_6418;
 	FIELD field_27843 resourcePackVersion I
 	METHOD <init> (Lcom/google/gson/JsonObject;)V
 		ARG 1 json
diff --git a/mappings/net/minecraft/SaveVersion.mapping b/mappings/net/minecraft/SaveVersion.mapping
new file mode 100644
index 0000000000..281775e2fa
--- /dev/null
+++ b/mappings/net/minecraft/SaveVersion.mapping
@@ -0,0 +1,28 @@
+CLASS net/minecraft/class_6477 net/minecraft/SaveVersion
+	COMMENT The version components of Minecraft that is used for identification in
+	COMMENT save games.
+	FIELD field_34268 MAIN_SERIES Ljava/lang/String;
+		COMMENT The default series of a version, {@value}, if a series is not specified.
+	FIELD field_34269 id I
+	FIELD field_34270 series Ljava/lang/String;
+	METHOD <init> (I)V
+		ARG 1 id
+	METHOD <init> (ILjava/lang/String;)V
+		ARG 1 id
+		ARG 2 series
+	METHOD method_37785 isNotMainSeries ()Z
+	METHOD method_37786 hasSameSeries (Lnet/minecraft/class_6477;)Z
+		ARG 1 other
+	METHOD method_37787 getSeries ()Ljava/lang/String;
+		COMMENT {@return the series of this version}
+		COMMENT
+		COMMENT <p>This is stored in the {@code Series} field within {@code level.dat}.
+	METHOD method_37788 isAvailableTo (Lnet/minecraft/class_6477;)Z
+		COMMENT {@return whether this save version can be loaded by the {@code other} version}
+		ARG 1 other
+	METHOD method_37789 getId ()I
+		COMMENT {@return the integer data version of this save version}
+	METHOD method_37790 hasOldWorldHeight ()Z
+		COMMENT This method always returns {@code false}, but its usage appears to
+		COMMENT indicate that it returns if this save version has the old 0 to 255 world
+		COMMENT height limit.
diff --git a/mappings/net/minecraft/world/level/storage/SaveVersionInfo.mapping b/mappings/net/minecraft/world/level/storage/SaveVersionInfo.mapping
index aafd8c99bd..d152c27ac6 100644
--- a/mappings/net/minecraft/world/level/storage/SaveVersionInfo.mapping
+++ b/mappings/net/minecraft/world/level/storage/SaveVersionInfo.mapping
@@ -2,17 +2,19 @@ CLASS net/minecraft/class_5315 net/minecraft/world/level/storage/SaveVersionInfo
 	FIELD field_25024 levelFormatVersion I
 	FIELD field_25025 lastPlayed J
 	FIELD field_25026 versionName Ljava/lang/String;
-	FIELD field_25027 versionId Lnet/minecraft/class_6477;
+	FIELD field_25027 version Lnet/minecraft/class_6477;
 	FIELD field_25028 stable Z
 	METHOD <init> (IJLjava/lang/String;ILjava/lang/String;Z)V
 		ARG 1 levelFormatVersion
 		ARG 2 lastPlayed
 		ARG 4 versionName
 		ARG 5 versionId
+		ARG 6 series
+		ARG 7 stable
 	METHOD method_29022 getLevelFormatVersion ()I
 	METHOD method_29023 fromDynamic (Lcom/mojang/serialization/Dynamic;)Lnet/minecraft/class_5315;
 		ARG 0 dynamic
 	METHOD method_29024 getLastPlayed ()J
 	METHOD method_29025 getVersionName ()Ljava/lang/String;
-	METHOD method_29026 getVersionId ()Lnet/minecraft/class_6477;
+	METHOD method_29026 getVersion ()Lnet/minecraft/class_6477;
 	METHOD method_29027 isStable ()Z