diff --git a/core/src/main/java/org/geysermc/geyser/entity/vehicle/VehicleComponent.java b/core/src/main/java/org/geysermc/geyser/entity/vehicle/VehicleComponent.java
index 91f54162b..61875ec90 100644
--- a/core/src/main/java/org/geysermc/geyser/entity/vehicle/VehicleComponent.java
+++ b/core/src/main/java/org/geysermc/geyser/entity/vehicle/VehicleComponent.java
@@ -105,6 +105,10 @@ public class VehicleComponent<T extends LivingEntity & ClientVehicle> {
         boundingBox.setMiddleZ(z);
     }
 
+    public void moveAbsolute(Vector3d vec) {
+        moveAbsolute(vec.getX(), vec.getY(), vec.getZ());
+    }
+
     public void moveRelative(double x, double y, double z) {
         boundingBox.translate(x, y, z);
     }
@@ -756,7 +760,7 @@ public class VehicleComponent<T extends LivingEntity & ClientVehicle> {
             vehicle.getSession().sendUpstreamPacket(moveEntityDeltaPacket);
         }
 
-        ServerboundMoveVehiclePacket moveVehiclePacket = new ServerboundMoveVehiclePacket(javaPos.getX(), javaPos.getY(), javaPos.getZ(), rotation.getX(), rotation.getY());
+        ServerboundMoveVehiclePacket moveVehiclePacket = new ServerboundMoveVehiclePacket(javaPos, rotation.getX(), rotation.getY(), vehicle.isOnGround());
         vehicle.getSession().sendDownstreamPacket(moveVehiclePacket);
     }
 
diff --git a/core/src/main/java/org/geysermc/geyser/item/Items.java b/core/src/main/java/org/geysermc/geyser/item/Items.java
index 7af5aadce..c7ab076b4 100644
--- a/core/src/main/java/org/geysermc/geyser/item/Items.java
+++ b/core/src/main/java/org/geysermc/geyser/item/Items.java
@@ -70,6 +70,11 @@ import static org.geysermc.geyser.item.type.Item.builder;
  */
 @SuppressWarnings("unused")
 public final class Items {
+
+    static {
+        // Load data components here
+    }
+
     public static final Item AIR = register(new Item("air", builder()));
     public static final Item STONE = register(new BlockItem(builder(), Blocks.STONE));
     public static final Item GRANITE = register(new BlockItem(builder(), Blocks.GRANITE));
diff --git a/core/src/main/java/org/geysermc/geyser/item/type/Item.java b/core/src/main/java/org/geysermc/geyser/item/type/Item.java
index 249936e5a..0155c4e35 100644
--- a/core/src/main/java/org/geysermc/geyser/item/type/Item.java
+++ b/core/src/main/java/org/geysermc/geyser/item/type/Item.java
@@ -62,12 +62,16 @@ public class Item {
     private static final Map<Block, Item> BLOCK_TO_ITEM = new HashMap<>();
     protected final Key javaIdentifier;
     private int javaId = -1;
+
+    // TODO remove these
     private final int stackSize;
     private final int attackDamage;
     private final int maxDamage;
     private final Rarity rarity;
     private final boolean glint;
 
+    private DataComponents dataComponents;
+
     public Item(String javaIdentifier, Builder builder) {
         this.javaIdentifier = MinecraftKey.key(javaIdentifier);
         this.stackSize = builder.stackSize;
@@ -86,7 +90,7 @@ public class Item {
     }
 
     public int maxDamage() {
-        return maxDamage;
+        return dataComponents.getOrDefault(DataComponentType.MAX_DAMAGE, 0);
     }
 
     public int attackDamage() {
@@ -94,7 +98,7 @@ public class Item {
     }
 
     public int maxStackSize() {
-        return stackSize;
+        return dataComponents.getOrDefault(DataComponentType.MAX_STACK_SIZE, 1);
     }
 
     public Rarity rarity() {
@@ -317,16 +321,6 @@ public class Item {
             return this;
         }
 
-        public Builder rarity(Rarity rarity) {
-            this.rarity = rarity;
-            return this;
-        }
-
-        public Builder glint(boolean glintOverride) {
-            this.glint = glintOverride;
-            return this;
-        }
-
         private Builder() {
         }
     }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/item/CustomItemTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/item/CustomItemTranslator.java
index 91eee3895..b65b06431 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/item/CustomItemTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/item/CustomItemTranslator.java
@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.translator.item;
 
+import org.geysermc.mcprotocollib.protocol.data.game.item.component.CustomModelData;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponents;
 import org.geysermc.mcprotocollib.protocol.data.game.item.component.DataComponentType;
 import it.unimi.dsi.fastutil.Pair;
@@ -52,7 +53,15 @@ public final class CustomItemTranslator {
             return null;
         }
 
-        int customModelData = components.getOrDefault(DataComponentType.CUSTOM_MODEL_DATA, 0);
+        // TODO 1.21.4
+        float customModelDataInt = 0;
+        CustomModelData customModelData = components.get(DataComponentType.CUSTOM_MODEL_DATA);
+        if (customModelData != null) {
+            if (!customModelData.floats().isEmpty()) {
+                customModelDataInt = customModelData.floats().get(0);
+            }
+        }
+
         boolean checkDamage = mapping.getJavaItem().maxDamage() > 0;
         int damage = !checkDamage ? 0 : components.getOrDefault(DataComponentType.DAMAGE, 0);
         boolean unbreakable = checkDamage && !isDamaged(components, damage);
@@ -88,7 +97,7 @@ public final class CustomItemTranslator {
             }
 
             OptionalInt customModelDataOption = options.customModelData();
-            if (customModelDataOption.isPresent() && customModelData < customModelDataOption.getAsInt()) {
+            if (customModelDataOption.isPresent() && customModelDataInt < customModelDataOption.getAsInt()) {
                 continue;
             }
 
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/input/BedrockPlayerAuthInputTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/input/BedrockPlayerAuthInputTranslator.java
index 8e2781a98..b57187018 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/input/BedrockPlayerAuthInputTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/input/BedrockPlayerAuthInputTranslator.java
@@ -312,8 +312,9 @@ public final class BedrockPlayerAuthInputTranslator extends PacketTranslator<Pla
 
             vehicle.setPosition(vehiclePosition);
             ServerboundMoveVehiclePacket moveVehiclePacket = new ServerboundMoveVehiclePacket(
-                vehiclePosition.getX(), vehiclePosition.getY(), vehiclePosition.getZ(),
-                vehicleRotation.getY() - 90, vehiclePosition.getX() // TODO I wonder if this is related to the horse spinning bugs...
+                vehiclePosition.toDouble(),
+                vehicleRotation.getY() - 90, vehiclePosition.getX(), // TODO I wonder if this is related to the horse spinning bugs...
+                vehicle.isOnGround()
             );
             session.sendDownstreamGamePacket(moveVehiclePacket);
         }
diff --git a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/JavaMoveVehicleTranslator.java b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/JavaMoveVehicleTranslator.java
index 1f18d4d2f..18fd1ec4c 100644
--- a/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/JavaMoveVehicleTranslator.java
+++ b/core/src/main/java/org/geysermc/geyser/translator/protocol/java/entity/JavaMoveVehicleTranslator.java
@@ -25,13 +25,12 @@
 
 package org.geysermc.geyser.translator.protocol.java.entity;
 
-import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.entity.ClientboundMoveVehiclePacket;
-import org.cloudburstmc.math.vector.Vector3f;
 import org.geysermc.geyser.entity.type.Entity;
 import org.geysermc.geyser.entity.vehicle.ClientVehicle;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
+import org.geysermc.mcprotocollib.protocol.packet.ingame.clientbound.entity.ClientboundMoveVehiclePacket;
 
 @Translator(packet = ClientboundMoveVehiclePacket.class)
 public class JavaMoveVehicleTranslator extends PacketTranslator<ClientboundMoveVehiclePacket> {
@@ -42,9 +41,9 @@ public class JavaMoveVehicleTranslator extends PacketTranslator<ClientboundMoveV
         if (entity == null) return;
 
         if (entity instanceof ClientVehicle clientVehicle) {
-            clientVehicle.getVehicleComponent().moveAbsolute(packet.getX(), packet.getY(), packet.getZ());
+            clientVehicle.getVehicleComponent().moveAbsolute(packet.getPosition());
         }
 
-        entity.moveAbsolute(Vector3f.from(packet.getX(), packet.getY(), packet.getZ()), packet.getYaw(), packet.getPitch(), false, true);
+        entity.moveAbsolute(packet.getPosition().toFloat(), packet.getYRot(), packet.getXRot(), false, true);
     }
 }
diff --git a/core/src/main/java/org/geysermc/geyser/util/InventoryUtils.java b/core/src/main/java/org/geysermc/geyser/util/InventoryUtils.java
index 9862eb730..df0450ce6 100644
--- a/core/src/main/java/org/geysermc/geyser/util/InventoryUtils.java
+++ b/core/src/main/java/org/geysermc/geyser/util/InventoryUtils.java
@@ -69,7 +69,6 @@ import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.SlotDis
 import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.TagSlotDisplay;
 import org.geysermc.mcprotocollib.protocol.data.game.recipe.display.slot.WithRemainderSlotDisplay;
 import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.inventory.ServerboundContainerClosePacket;
-import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.inventory.ServerboundPickItemPacket;
 import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.inventory.ServerboundSetCreativeModeSlotPacket;
 import org.jetbrains.annotations.Contract;
 
@@ -305,8 +304,9 @@ public class InventoryUtils {
             }
             // If this is the item we're looking for
             if (geyserItem.getJavaId() == itemStack.getId() && Objects.equals(geyserItem.getComponents(), itemStack.getDataComponents())) { //TODO verify
-                ServerboundPickItemPacket packetToSend = new ServerboundPickItemPacket(i); // https://wiki.vg/Protocol#Pick_Item
-                session.sendDownstreamGamePacket(packetToSend);
+                //ServerboundPickItemFromBlockPacket packetToSend = new ServerboundPickItemFromBlockPacket(i); // https://wiki.vg/Protocol#Pick_Item
+                //session.sendDownstreamGamePacket(packetToSend);
+                // TODO 1.21.4
                 return;
             }
         }
@@ -368,8 +368,9 @@ public class InventoryUtils {
                 continue;
             }
 
-            ServerboundPickItemPacket packetToSend = new ServerboundPickItemPacket(i); // https://wiki.vg/Protocol#Pick_Item
-            session.sendDownstreamGamePacket(packetToSend);
+            // TODO 1.21.4
+            //ServerboundPickItemPacket packetToSend = new ServerboundPickItemPacket(i); // https://wiki.vg/Protocol#Pick_Item
+            //session.sendDownstreamGamePacket(packetToSend);
             return;
         }
 
diff --git a/core/src/test/java/org/geysermc/geyser/scoreboard/network/ScoreboardIssueTests.java b/core/src/test/java/org/geysermc/geyser/scoreboard/network/ScoreboardIssueTests.java
index 7ab518f1d..0b3d2c5e7 100644
--- a/core/src/test/java/org/geysermc/geyser/scoreboard/network/ScoreboardIssueTests.java
+++ b/core/src/test/java/org/geysermc/geyser/scoreboard/network/ScoreboardIssueTests.java
@@ -154,7 +154,7 @@ public class ScoreboardIssueTests {
                 new ClientboundPlayerInfoUpdatePacket(
                     EnumSet.of(PlayerListEntryAction.ADD_PLAYER, PlayerListEntryAction.UPDATE_LISTED),
                     new PlayerListEntry[] {
-                        new PlayerListEntry(npcUuid, new GameProfile(npcUuid, "1297"), false, 0, GameMode.SURVIVAL, null, 0, null, 0, null, null)
+                        new PlayerListEntry(npcUuid, new GameProfile(npcUuid, "1297"), false, 0, GameMode.SURVIVAL, null, false, 0, null, 0, null, null)
                     }));
 
             //todo we don't have to remove an entry that was never in the playerlist in the first place
diff --git a/gradle.properties b/gradle.properties
index 09943725b..473c104f4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,5 +11,5 @@ loom.ignoreDependencyLoomVersionValidation=true
 
 group=org.geysermc
 id=geyser
-version=2.5.0-SNAPSHOT
+version=2.6.0-SNAPSHOT
 description=Allows for players from Minecraft: Bedrock Edition to join Minecraft: Java Edition servers.
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1e942df77..3054d9e33 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -15,7 +15,7 @@ protocol-common = "3.0.0.Beta5-20241022.154658-14"
 protocol-codec = "3.0.0.Beta5-20241022.154658-14"
 raknet = "1.0.0.CR3-20240416.144209-1"
 minecraftauth = "4.1.1"
-mcprotocollib = "1.21.2-20241107.110329-3"
+mcprotocollib = "1.21.4-SNAPSHOT"
 adventure = "4.14.0"
 adventure-platform = "4.3.0"
 junit = "5.9.2"
@@ -34,12 +34,12 @@ bungeecord = "a7c6ede"
 velocity = "3.3.0-SNAPSHOT"
 viaproxy = "3.3.2-SNAPSHOT"
 fabric-loader = "0.16.7"
-fabric-api = "0.106.1+1.21.3"
+fabric-api = "0.109.1+1.21.4"
 fabric-permissions-api = "0.3.3"
 neoforge-minecraft = "21.3.0-beta"
 mixin = "0.8.5"
 mixinextras = "0.3.5"
-minecraft = "1.21.3"
+minecraft = "1.21.4-pre3"
 mockito = "5.+"
 
 # plugin versions
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 9aaf6ba59..e820f59bd 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,7 +20,7 @@ include(":ap")
 include(":api")
 include(":bungeecord")
 include(":fabric")
-include(":neoforge")
+//include(":neoforge")
 include(":mod")
 include(":spigot")
 include(":standalone")
@@ -32,7 +32,7 @@ include(":core")
 // Specify project dirs
 project(":bungeecord").projectDir = file("bootstrap/bungeecord")
 project(":fabric").projectDir = file("bootstrap/mod/fabric")
-project(":neoforge").projectDir = file("bootstrap/mod/neoforge")
+//project(":neoforge").projectDir = file("bootstrap/mod/neoforge")
 project(":mod").projectDir = file("bootstrap/mod")
 project(":spigot").projectDir = file("bootstrap/spigot")
 project(":standalone").projectDir = file("bootstrap/standalone")