diff --git a/api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java b/api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java
index 0c7bf63e6..eb9ee2959 100644
--- a/api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java
+++ b/api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java
@@ -85,7 +85,7 @@ public class ProtocolVersion {
     public static final ProtocolVersion v1_19_4 = register(762, "1.19.4");
     public static final ProtocolVersion v1_20 = register(763, "1.20/1.20.1", new VersionRange("1.20", 0, 1));
     public static final ProtocolVersion v1_20_2 = register(764, "1.20.2");
-    public static final ProtocolVersion v1_20_3 = register(765, 154, "1.20.3");
+    public static final ProtocolVersion v1_20_3 = register(765, 156, "1.20.3");
     public static final ProtocolVersion unknown = register(-1, "UNKNOWN");
 
     public static ProtocolVersion register(int version, String name) {
diff --git a/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_3to1_20_2/Protocol1_20_3To1_20_2.java b/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_3to1_20_2/Protocol1_20_3To1_20_2.java
index 4b5d649a1..7bc393021 100644
--- a/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_3to1_20_2/Protocol1_20_3To1_20_2.java
+++ b/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_3to1_20_2/Protocol1_20_3To1_20_2.java
@@ -37,6 +37,8 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.data.MappingData;
+import com.viaversion.viaversion.api.data.MappingDataBase;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_19_4Types;
 import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
@@ -53,7 +55,7 @@ import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.Clientbou
 import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundConfigurationPackets1_20_2;
 import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPackets1_20_2;
 import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.rewriter.EntityPacketRewriter1_20_3;
-import com.viaversion.viaversion.util.GsonUtil;
+import com.viaversion.viaversion.rewriter.SoundRewriter;
 import java.util.BitSet;
 import java.util.Map;
 import java.util.UUID;
@@ -61,6 +63,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 
 public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPackets1_20_2, ClientboundPackets1_20_2, ServerboundPackets1_20_2, ServerboundPackets1_20_2> {
 
+    public static final MappingData MAPPINGS = new MappingDataBase("1.20.2", "1.20.3");
     private final EntityPacketRewriter1_20_3 entityRewriter = new EntityPacketRewriter1_20_3(this);
 
     public Protocol1_20_3To1_20_2() {
@@ -71,6 +74,10 @@ public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPa
     protected void registerPackets() {
         super.registerPackets();
 
+        final SoundRewriter<ClientboundPackets1_20_2> soundRewriter = new SoundRewriter<>(this);
+        soundRewriter.register1_19_3Sound(ClientboundPackets1_20_2.SOUND);
+        soundRewriter.registerEntitySound(ClientboundPackets1_20_2.ENTITY_SOUND);
+
         // Components are now (mostly) written as nbt instead of json strings
         registerClientbound(ClientboundPackets1_20_2.ADVANCEMENTS, wrapper -> {
             wrapper.passthrough(Type.BOOLEAN); // Reset/clear
@@ -271,14 +278,10 @@ public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPa
         }
     }
 
-    public static @Nullable Tag jsonComponentToTag(@Nullable JsonElement component) {
-        component = GsonUtil.getGson().fromJson("[{\"text\": \"A\", \"color\": \"red\"}, \"B\", 1, [\"a\"]]", JsonArray.class);
-        Via.getPlatform().getLogger().info("Converting: " + component);
+    public static @Nullable Tag jsonComponentToTag(@Nullable final JsonElement component) {
         try {
             // This mostly works:tm:
-            final Tag tag = convertToTag(component);
-            Via.getPlatform().getLogger().info("To: " + tag);
-            return tag;
+            return convertToTag(component);
         } catch (final Exception e) {
             Via.getPlatform().getLogger().severe("Error converting component: " + component);
             e.printStackTrace();
@@ -320,6 +323,7 @@ public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPa
             } else if (number instanceof Float) {
                 return new FloatTag(number.floatValue());
             }
+            return new StringTag(primitive.getAsString()); // ???
         }
         throw new IllegalArgumentException("Unhandled json type " + element.getClass().getSimpleName() + " with value " + element.getAsString());
     }
@@ -459,6 +463,11 @@ public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPa
         addEntityTracker(connection, new EntityTrackerBase(connection, Entity1_19_4Types.PLAYER));
     }
 
+    @Override
+    public MappingData getMappingData() {
+        return MAPPINGS;
+    }
+
     @Override
     protected ServerboundPacketType serverboundFinishConfigurationPacket() {
         return ServerboundConfigurationPackets1_20_2.FINISH_CONFIGURATION;
diff --git a/common/src/main/resources/assets/viaversion/data/identifiers-1.20.3.nbt b/common/src/main/resources/assets/viaversion/data/identifiers-1.20.3.nbt
new file mode 100644
index 000000000..6aa0f1ad3
Binary files /dev/null and b/common/src/main/resources/assets/viaversion/data/identifiers-1.20.3.nbt differ
diff --git a/common/src/main/resources/assets/viaversion/data/mappings-1.20.2to1.20.3.nbt b/common/src/main/resources/assets/viaversion/data/mappings-1.20.2to1.20.3.nbt
new file mode 100644
index 000000000..cf1b42be7
Binary files /dev/null and b/common/src/main/resources/assets/viaversion/data/mappings-1.20.2to1.20.3.nbt differ
diff --git a/gradle.properties b/gradle.properties
index 22c4455ac..34d1e758f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # Project properties - we put these here so they can be modified without causing a recompile of the build scripts
-projectVersion=4.9.0-23w40a-SNAPSHOT
+projectVersion=4.9.0-23w41a-SNAPSHOT
 
 # Smile emoji
 mcVersions=1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10, 1.9.4, 1.9.3, 1.9.2, 1.9.1, 1.9, 1.8.9