diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_15_2to1_16/packets/EntityPackets1_16.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_15_2to1_16/packets/EntityPackets1_16.java
index f3d9285d..d8a51e67 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_15_2to1_16/packets/EntityPackets1_16.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_15_2to1_16/packets/EntityPackets1_16.java
@@ -48,6 +48,7 @@ public class EntityPackets1_16 extends EntityRewriter<ClientboundPackets1_16, Pr
     private final ValueTransformer<String, Integer> dimensionTransformer = new ValueTransformer<String, Integer>(Type.STRING, Type.INT) {
         @Override
         public Integer transform(PacketWrapper wrapper, String input) {
+            input = Key.namespaced(input);
             switch (input) {
                 case "minecraft:the_nether":
                     return -1;
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_1to1_16_2/packets/EntityPackets1_16_2.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_1to1_16_2/packets/EntityPackets1_16_2.java
index cc941c3a..58574818 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_1to1_16_2/packets/EntityPackets1_16_2.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_1to1_16_2/packets/EntityPackets1_16_2.java
@@ -35,6 +35,7 @@ import com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
 import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2;
 import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.EntityPackets;
+import com.viaversion.viaversion.util.Key;
 import com.viaversion.viaversion.util.TagUtil;
 import java.util.Set;
 
@@ -114,7 +115,7 @@ public class EntityPackets1_16_2 extends EntityRewriter<ClientboundPackets1_16_2
     private String getDimensionFromData(CompoundTag dimensionData) {
         // This may technically break other custom dimension settings for 1.16/1.16.1 clients, so those cases are considered semi "unsupported" here
         StringTag effectsLocation = dimensionData.getStringTag("effects");
-        return effectsLocation != null && oldDimensions.contains(effectsLocation.getValue()) ?
+        return effectsLocation != null && oldDimensions.contains(Key.namespaced(effectsLocation.getValue())) ?
             effectsLocation.getValue() : "minecraft:overworld";
     }
 
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/EntityPackets1_19.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/EntityPackets1_19.java
index 3765cc0c..7f1f1372 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/EntityPackets1_19.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/EntityPackets1_19.java
@@ -37,9 +37,9 @@ 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.NumberTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
-import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.ClientboundPackets1_18;
 import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
+import com.viaversion.viaversion.util.Key;
 import com.viaversion.viaversion.util.TagUtil;
 
 public final class EntityPackets1_19 extends EntityRewriter<ClientboundPackets1_19, Protocol1_18_2To1_19> {
@@ -130,7 +130,7 @@ public final class EntityPackets1_19 extends EntityRewriter<ClientboundPackets1_
                     dimensionRegistryStorage.clear();
 
                     // Cache dimensions and find current dimension
-                    final String dimensionKey = wrapper.read(Type.STRING);
+                    final String dimensionKey = Key.stripMinecraftNamespace(wrapper.read(Type.STRING));
                     final CompoundTag registry = wrapper.get(Type.NAMED_COMPOUND_TAG, 0);
                     final ListTag<CompoundTag> dimensions = TagUtil.getRegistryEntries(registry, "dimension_type");
                     boolean found = false;
@@ -139,7 +139,7 @@ public final class EntityPackets1_19 extends EntityRewriter<ClientboundPackets1_
                         final CompoundTag dimensionData = dimension.getCompoundTag("element");
                         dimensionRegistryStorage.addDimension(nameTag.getValue(), dimensionData.copy());
 
-                        if (!found && nameTag.getValue().equals(dimensionKey)) {
+                        if (!found && Key.stripMinecraftNamespace(nameTag.getValue()).equals(dimensionKey)) {
                             wrapper.write(Type.NAMED_COMPOUND_TAG, dimensionData);
                             found = true;
                         }
@@ -157,7 +157,12 @@ public final class EntityPackets1_19 extends EntityRewriter<ClientboundPackets1_
                     tracker(wrapper.user()).setBiomesSent(biomes.size());
 
                     // Cache and remove chat types
-                    final ListTag<CompoundTag> chatTypes = ((CompoundTag) registry.remove("minecraft:chat_type")).getListTag("value", CompoundTag.class);
+                    CompoundTag chatTypeRegistry = (CompoundTag) registry.remove("minecraft:chat_type");
+                    if (chatTypeRegistry == null) {
+                        chatTypeRegistry = (CompoundTag) registry.remove("chat_type");
+                    }
+
+                    final ListTag<CompoundTag> chatTypes = chatTypeRegistry.getListTag("value", CompoundTag.class);
                     for (final CompoundTag chatType : chatTypes) {
                         final NumberTag idTag = chatType.getNumberTag("id");
                         dimensionRegistryStorage.addChatType(idTag.asInt(), chatType);