diff --git a/build.gradle.kts b/build.gradle.kts
index 041ab69a..9d713459 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
 
 allprojects {
     group = "com.viaversion"
-    version = "4.7.0-23w18a-SNAPSHOT"
+    version = "4.7.0-1.20-pre1-SNAPSHOT"
     description = "Allow older clients to join newer server versions."
 }
 
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/BackwardsMappings.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/BackwardsMappings.java
index 5bb2d8c3..734cd1f3 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/BackwardsMappings.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/BackwardsMappings.java
@@ -42,7 +42,7 @@ public final class BackwardsMappings extends com.viaversion.viabackwards.api.dat
         super.loadExtras(data);
 
         try {
-            final ListTag chatTypes = BinaryTagIO.readCompressedInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
+            final ListTag chatTypes = BinaryTagIO.readInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
             for (final Tag chatType : chatTypes) {
                 final CompoundTag chatTypeCompound = (CompoundTag) chatType;
                 final NumberTag idTag = chatTypeCompound.get("id");
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/EntityPackets1_20.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/EntityPackets1_20.java
index bb71e4b9..480b458b 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/EntityPackets1_20.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/EntityPackets1_20.java
@@ -60,6 +60,17 @@ public final class EntityPackets1_20 extends EntityRewriter<ClientboundPackets1_
                 map(Type.NBT); // Dimension registry
                 map(Type.STRING); // Dimension key
                 map(Type.STRING); // World
+                map(Type.LONG); // Seed
+                map(Type.VAR_INT); // Max players
+                map(Type.VAR_INT); // Chunk radius
+                map(Type.VAR_INT); // Simulation distance
+                map(Type.BOOLEAN); // Reduced debug info
+                map(Type.BOOLEAN); // Show death screen
+                map(Type.BOOLEAN); // Debug
+                map(Type.BOOLEAN); // Flat
+                map(Type.OPTIONAL_GLOBAL_POSITION); // Last death location
+                read(Type.VAR_INT); // Portal cooldown
+
                 handler(dimensionDataHandler()); // Caches dimensions to access data like height later
                 handler(biomeSizeTracker()); // Tracks the amount of biomes sent for chunk data
                 handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
@@ -82,6 +93,14 @@ public final class EntityPackets1_20 extends EntityRewriter<ClientboundPackets1_
             public void register() {
                 map(Type.STRING); // Dimension
                 map(Type.STRING); // World
+                map(Type.LONG); // Seed
+                map(Type.UNSIGNED_BYTE); // Gamemode
+                map(Type.BYTE); // Previous gamemode
+                map(Type.BOOLEAN); // Debug
+                map(Type.BOOLEAN); // Flat
+                map(Type.BYTE); // Data to keep
+                map(Type.OPTIONAL_GLOBAL_POSITION); // Last death location
+                read(Type.VAR_INT); // Portal cooldown
                 handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
             }
         });
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index ccebba77..c1962a79 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bdc9a83b..37aef8d3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 79a61d42..aeb74cbb 100755
--- a/gradlew
+++ b/gradlew
@@ -85,9 +85,6 @@ done
 APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -197,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in