diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/Protocol1_20_5To1_21.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/Protocol1_20_5To1_21.java
index bd95427c..eaede343 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/Protocol1_20_5To1_21.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/Protocol1_20_5To1_21.java
@@ -81,6 +81,9 @@ public final class Protocol1_20_5To1_21 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.SYSTEM_CHAT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.DISGUISED_CHAT);
         translatableRewriter.registerPing();
+
+        // Format change we can't properly map - all this really results in is a desync one version earlier
+        cancelClientbound(ClientboundPackets1_20_5.PROJECTILE_POWER);
     }
 
     @Override
diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/rewriter/BlockItemPacketRewriter1_21.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/rewriter/BlockItemPacketRewriter1_21.java
index a9d557e6..25696e16 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/rewriter/BlockItemPacketRewriter1_21.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_5to1_21/rewriter/BlockItemPacketRewriter1_21.java
@@ -29,6 +29,7 @@ import com.viaversion.viaversion.api.minecraft.data.StructuredDataKey;
 import com.viaversion.viaversion.api.minecraft.item.Item;
 import com.viaversion.viaversion.api.minecraft.item.data.Enchantments;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_20_2;
+import com.viaversion.viaversion.api.type.types.version.Types1_20;
 import com.viaversion.viaversion.api.type.types.version.Types1_20_5;
 import com.viaversion.viaversion.api.type.types.version.Types1_21;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2IntMap;
@@ -53,7 +54,7 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
     private final StructuredEnchantmentRewriter enchantmentRewriter = new StructuredEnchantmentRewriter(this);
 
     public BlockItemPacketRewriter1_21(final Protocol1_20_5To1_21 protocol) {
-        super(protocol, Types1_20_5.ITEM, Types1_20_5.ITEM_ARRAY, Types1_21.ITEM, Types1_21.ITEM_ARRAY);
+        super(protocol, Types1_21.ITEM, Types1_21.ITEM_ARRAY, Types1_20_5.ITEM, Types1_20_5.ITEM_ARRAY);
     }
 
     @Override
@@ -72,11 +73,11 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
         registerAdvancements1_20_3(ClientboundPackets1_20_5.ADVANCEMENTS);
         registerEntityEquipmentArray(ClientboundPackets1_20_5.ENTITY_EQUIPMENT);
         registerClickWindow1_17_1(ServerboundPackets1_20_5.CLICK_WINDOW);
-        registerTradeList1_20_5(ClientboundPackets1_20_5.TRADE_LIST, Types1_20_5.ITEM_COST, Types1_20_5.ITEM_COST, Types1_21.OPTIONAL_ITEM_COST, Types1_21.OPTIONAL_ITEM_COST);
+        registerTradeList1_20_5(ClientboundPackets1_20_5.TRADE_LIST, Types1_21.ITEM_COST, Types1_20_5.ITEM_COST, Types1_21.OPTIONAL_ITEM_COST, Types1_20_5.OPTIONAL_ITEM_COST);
         registerCreativeInvAction(ServerboundPackets1_20_5.CREATIVE_INVENTORY_ACTION);
         registerWindowPropertyEnchantmentHandler(ClientboundPackets1_20_5.WINDOW_PROPERTY);
-        registerSpawnParticle1_20_5(ClientboundPackets1_20_5.SPAWN_PARTICLE, Types1_20_5.PARTICLE, Types1_21.PARTICLE);
-        registerExplosion(ClientboundPackets1_20_5.EXPLOSION, Types1_20_5.PARTICLE, Types1_21.PARTICLE);
+        registerSpawnParticle1_20_5(ClientboundPackets1_20_5.SPAWN_PARTICLE, Types1_21.PARTICLE, Types1_20_5.PARTICLE);
+        registerExplosion(ClientboundPackets1_20_5.EXPLOSION, Types1_21.PARTICLE, Types1_20_5.PARTICLE);
 
         new RecipeRewriter1_20_3<>(protocol).register1_20_5(ClientboundPackets1_20_5.DECLARE_RECIPES);
     }
@@ -85,11 +86,12 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
     public @Nullable Item handleItemToClient(final UserConnection connection, @Nullable final Item item) {
         if (item == null) return null;
 
-        item.structuredData().setIdLookup(protocol, true);
+        final StructuredDataContainer data = item.structuredData();
+        data.setIdLookup(protocol, true);
+        data.replaceKey(StructuredDataKey.FOOD1_21, StructuredDataKey.FOOD1_20_5);
 
         // Enchantments
         final EnchantmentsPaintingsStorage storage = connection.get(EnchantmentsPaintingsStorage.class);
-        final StructuredDataContainer data = item.structuredData();
         final IdRewriteFunction idRewriteFunction = id -> {
             final String key = storage.enchantments().idToKey(id);
             return key != null ? Enchantments1_20_5.keyToId(key) : -1;
@@ -118,6 +120,8 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
         final StructuredDataContainer dataContainer = item.structuredData();
         dataContainer.setIdLookup(protocol, false);
 
+        dataContainer.replaceKey(StructuredDataKey.FOOD1_20_5, StructuredDataKey.FOOD1_21);
+
         // Rewrite enchantments
         final EnchantmentsPaintingsStorage storage = connection.get(EnchantmentsPaintingsStorage.class);
         rewriteEnchantmentToServer(storage, item, StructuredDataKey.ENCHANTMENTS);
diff --git a/common/src/main/resources/assets/viabackwards/data/mappings-1.21to1.20.5.nbt b/common/src/main/resources/assets/viabackwards/data/mappings-1.21to1.20.5.nbt
index d108819b..16580da3 100644
Binary files a/common/src/main/resources/assets/viabackwards/data/mappings-1.21to1.20.5.nbt and b/common/src/main/resources/assets/viabackwards/data/mappings-1.21to1.20.5.nbt differ
diff --git a/gradle.properties b/gradle.properties
index 90786604..ca68b79c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-projectVersion=5.0.0-24w18a-SNAPSHOT
+projectVersion=5.0.0-24w19a-SNAPSHOT
 
 # Smile emoji
 mcVersions=1.20.6,1.20.5,1.20.4, 1.20.3, 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
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 9eb83965..e6779a8d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ metadata.format.version = "1.1"
 [versions]
 
 # ViaVersion
-viaver = "5.0.0-24w18a-SNAPSHOT"
+viaver = "5.0.0-24w19a-SNAPSHOT"
 
 # Common provided
 netty = "4.0.20.Final"