diff --git a/build.gradle.kts b/build.gradle.kts
index fbcc751a..854177d9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
 
 allprojects {
     group = "com.viaversion"
-    version = "4.5.2-SNAPSHOT"
+    version = "4.6.0-23w03a-SNAPSHOT"
     description = "Allow older clients to join newer server versions."
 }
 
diff --git a/common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java b/common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java
index e1108f3c..88e89425 100644
--- a/common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java
+++ b/common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java
@@ -48,6 +48,7 @@ import com.viaversion.viabackwards.protocol.protocol1_17to1_17_1.Protocol1_17To1
 import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
 import com.viaversion.viabackwards.protocol.protocol1_18to1_18_2.Protocol1_18To1_18_2;
 import com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.Protocol1_19_1To1_19_3;
+import com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4.Protocol1_19_3To1_19_4;
 import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
 import com.viaversion.viabackwards.protocol.protocol1_9_4to1_10.Protocol1_9_4To1_10;
 import com.viaversion.viaversion.api.Via;
@@ -60,7 +61,7 @@ import java.util.logging.Logger;
 
 public interface ViaBackwardsPlatform {
 
-    String MINIMUM_VV_VERSION = "4.5.0";
+    String MINIMUM_VV_VERSION = "4.6.0";
     String IMPL_VERSION = "$IMPL_VERSION";
 
     /**
@@ -120,8 +121,8 @@ public interface ViaBackwardsPlatform {
 
         protocolManager.registerProtocol(new Protocol1_18_2To1_19(), ProtocolVersion.v1_18_2, ProtocolVersion.v1_19);
         protocolManager.registerProtocol(new Protocol1_19To1_19_1(), ProtocolVersion.v1_19, ProtocolVersion.v1_19_1);
-
         protocolManager.registerProtocol(new Protocol1_19_1To1_19_3(), ProtocolVersion.v1_19_1, ProtocolVersion.v1_19_3);
+        protocolManager.registerProtocol(new Protocol1_19_3To1_19_4(), ProtocolVersion.v1_19_3, ProtocolVersion.v1_19_4);
     }
 
     /**
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/Protocol1_19_3To1_19_4.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/Protocol1_19_3To1_19_4.java
new file mode 100644
index 00000000..726d7268
--- /dev/null
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/Protocol1_19_3To1_19_4.java
@@ -0,0 +1,73 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4;
+
+import com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4.data.EntityPackets1_19_4;
+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_3Types;
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPackets1_19_3;
+import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ServerboundPackets1_19_3;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ServerboundPackets1_19_4;
+import com.viaversion.viaversion.rewriter.CommandRewriter;
+
+public final class Protocol1_19_3To1_19_4 extends AbstractProtocol<ClientboundPackets1_19_4, ClientboundPackets1_19_3, ServerboundPackets1_19_4, ServerboundPackets1_19_3> {
+
+    private static final MappingData MAPPINGS = new MappingDataBase("1.19.3", "1.19.3");
+    private final EntityPackets1_19_4 entityRewriter = new EntityPackets1_19_4(this);
+
+    public Protocol1_19_3To1_19_4() {
+        super(ClientboundPackets1_19_4.class, ClientboundPackets1_19_3.class, ServerboundPackets1_19_4.class, ServerboundPackets1_19_3.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        // TODO fallback field in components
+        entityRewriter.register();
+
+        final CommandRewriter commandRewriter = new CommandRewriter(this) {
+            @Override
+            public void handleArgument(final PacketWrapper wrapper, final String argumentType) throws Exception {
+                if (argumentType.equals("minecraft:time")) {
+                    wrapper.read(Type.INT); // Minimum
+                } else {
+                    super.handleArgument(wrapper, argumentType);
+                }
+            }
+        };
+        commandRewriter.registerDeclareCommands1_19(ClientboundPackets1_19_4.DECLARE_COMMANDS);
+
+        cancelClientbound(ClientboundPackets1_19_4.BUNDLE);
+    }
+
+    @Override
+    public void init(final UserConnection user) {
+        addEntityTracker(user, new EntityTrackerBase(user, Entity1_19_3Types.PLAYER));
+    }
+
+    @Override
+    public MappingData getMappingData() {
+        return MAPPINGS;
+    }
+}
\ No newline at end of file
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/data/EntityPackets1_19_4.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/data/EntityPackets1_19_4.java
new file mode 100644
index 00000000..1f4c712e
--- /dev/null
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/data/EntityPackets1_19_4.java
@@ -0,0 +1,92 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4.data;
+
+import com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4.Protocol1_19_3To1_19_4;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19_3Types;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
+import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.ByteTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
+import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPackets1_19_3;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.rewriter.EntityRewriter;
+
+public final class EntityPackets1_19_4 extends EntityRewriter<Protocol1_19_3To1_19_4> {
+
+    public EntityPackets1_19_4(final Protocol1_19_3To1_19_4 protocol) {
+        super(protocol);
+    }
+
+    @Override
+    public void registerPackets() {
+        protocol.registerClientbound(ClientboundPackets1_19_4.JOIN_GAME, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT); // Entity id
+                map(Type.BOOLEAN); // Hardcore
+                map(Type.UNSIGNED_BYTE); // Gamemode
+                map(Type.BYTE); // Previous Gamemode
+                map(Type.STRING_ARRAY); // World List
+                map(Type.NBT); // Dimension registry
+                map(Type.STRING); // Dimension key
+                map(Type.STRING); // World
+                handler(dimensionDataHandler());
+                handler(biomeSizeTracker());
+                handler(worldDataTrackerHandlerByKey());
+                handler(wrapper -> {
+                    final CompoundTag registry = wrapper.get(Type.NBT, 0);
+                    final CompoundTag biomeRegistry = registry.get("minecraft:worldgen/biome");
+                    final ListTag biomes = biomeRegistry.get("value");
+                    for (final Tag biomeTag : biomes) {
+                        final CompoundTag biomeData = ((CompoundTag) biomeTag).get("element");
+                        final ByteTag hasPrecipitation = biomeData.get("has_precipitation");
+                        biomeData.put("precipitation", new StringTag(hasPrecipitation.asByte() == 1 ? "rain" : "none"));
+                    }
+                });
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.HIT_ANIMATION, ClientboundPackets1_19_3.ENTITY_ANIMATION, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // Entity id
+                read(Type.FLOAT); // Yaw
+                create(Type.UNSIGNED_BYTE, (short) 1); // Hit
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.RESPAWN, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Dimension
+                map(Type.STRING); // World
+                handler(worldDataTrackerHandlerByKey());
+            }
+        });
+    }
+
+    @Override
+    public EntityType typeFromId(final int type) {
+        return Entity1_19_3Types.getTypeFromId(type);
+    }
+}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1b273a33..7c9858e6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,20 +3,20 @@ metadata.format.version = "1.1"
 [versions]
 
 # ViaVersion
-viaver = "4.5.0"
+viaver = "4.6.0-23w03a-SNAPSHOT"
 
 # Common provided
 netty = "4.0.20.Final"
 guava = "17.0"
 log4j = "2.8.1"
 
-checkerQual = "3.18.0"
+checkerQual = "3.29.0"
 
 # Platforms
 paper = "1.16.5-R0.1-SNAPSHOT"
-bungee = "1.16-R0.5-SNAPSHOT"
+bungee = "1.19-R0.1-SNAPSHOT"
 sponge = "8.0.0"
-velocity = "3.1.0-SNAPSHOT"
+velocity = "3.1.1"
 fabricLoader = "0.11.6"