diff --git a/src/main/java/gregtech/common/metatileentities/storage/CraftingRecipeLogic.java b/src/main/java/gregtech/common/metatileentities/storage/CraftingRecipeLogic.java
index 4557d28a9df..073d662369b 100644
--- a/src/main/java/gregtech/common/metatileentities/storage/CraftingRecipeLogic.java
+++ b/src/main/java/gregtech/common/metatileentities/storage/CraftingRecipeLogic.java
@@ -30,6 +30,7 @@
 import it.unimi.dsi.fastutil.ints.Int2IntMap;
 import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectArrayMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.IntArraySet;
 import it.unimi.dsi.fastutil.objects.Object2BooleanMap;
 import it.unimi.dsi.fastutil.objects.Object2BooleanOpenCustomHashMap;
@@ -43,7 +44,7 @@ public class CraftingRecipeLogic extends SyncHandler {
     // client only
     public static final int UPDATE_INGREDIENTS = 1;
     public static final int RESET_INGREDIENTS = 2;
-    public static final int SYNC_STACK = 4;
+    public static final int SYNC_STACK = 3;
 
     // server only
     public static final int UPDATE_MATRIX = 0;
@@ -71,7 +72,7 @@ public class CraftingRecipeLogic extends SyncHandler {
     private final Int2IntMap compactedIndexes = new Int2IntArrayMap(9);
     private final Int2IntMap slotMap = new Int2IntArrayMap();
 
-    private final Map<Integer, Object2BooleanMap<ItemStack>> replaceAttemptMap = new Int2ObjectArrayMap<>();
+    private final Int2ObjectMap<Object2BooleanMap<ItemStack>> replaceAttemptMap = new Int2ObjectArrayMap<>();
     private final InventoryCrafting craftingMatrix;
     private final IInventory craftingResultInventory = new InventoryCraftResult();
     private final CachedRecipeData cachedRecipeData;
diff --git a/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityCrate.java b/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityCrate.java
index 3e00c251170..d837e3bcd80 100644
--- a/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityCrate.java
+++ b/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityCrate.java
@@ -152,12 +152,12 @@ public ModularPanel buildUI(PosGuiData guiData, PanelSyncManager guiSyncManager)
                 widgets.get(i).add(new ItemSlot().slot(SyncHandlers.itemSlot(inventory, index)
                         .slotGroup("item_inv")
                         .changeListener((newItem, onlyAmountChanged, client, init) -> {
-                            if (!onlyAmountChanged && !client && !init) {
-                                for (var facing : EnumFacing.VALUES) {
-                                    var neighbor = getNeighbor(facing);
-                                    if (neighbor instanceof IGregTechTileEntity gregTechTileEntity) {
-                                        gregTechTileEntity.getMetaTileEntity().onNeighborChanged();
-                                    }
+                            if (client || init) return;
+
+                            for (var facing : EnumFacing.VALUES) {
+                                var neighbor = getNeighbor(facing);
+                                if (neighbor instanceof IGregTechTileEntity gtte) {
+                                    gtte.getMetaTileEntity().onNeighborChanged();
                                 }
                             }
                         })));
diff --git a/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityWorkbench.java b/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityWorkbench.java
index e234161aa73..6da4abc4031 100644
--- a/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityWorkbench.java
+++ b/src/main/java/gregtech/common/metatileentities/storage/MetaTileEntityWorkbench.java
@@ -325,7 +325,6 @@ public IWidget createCraftingGrid() {
     public IWidget createCraftingOutput(PosGuiData guiData, PanelSyncManager syncManager) {
         var amountCrafted = new IntSyncValue(this::getItemsCrafted, this::setItemsCrafted);
         syncManager.syncValue("amount_crafted", amountCrafted);
-        amountCrafted.updateCacheFromSource(true); // todo remove on mui2 rc3
 
         return Flow.column()
                 .size(54)
@@ -418,8 +417,7 @@ public void readHandler(PacketBuffer buf) {
                 this.toolInventory,
                 this.connectedInventory));
 
-        getCraftingRecipeLogic()
-                .updateInventory(this.combinedInventory);
+        getCraftingRecipeLogic().updateInventory(this.combinedInventory);
     }
 
     @Override
diff --git a/src/main/java/gregtech/common/mui/widget/workbench/CraftingInputSlot.java b/src/main/java/gregtech/common/mui/widget/workbench/CraftingInputSlot.java
index 0d45bdd1355..b1521bfe39f 100644
--- a/src/main/java/gregtech/common/mui/widget/workbench/CraftingInputSlot.java
+++ b/src/main/java/gregtech/common/mui/widget/workbench/CraftingInputSlot.java
@@ -43,6 +43,7 @@ private CraftingInputSlot(IItemHandlerModifiable handler, int index) {
             tooltip.addFromItem(stack);
         });
 
+        // for hovering with items in hand
         listenGuiAction((IGuiAction.MouseDrag) (m, t) -> {
             if (isHovering() && dragging && syncHandler.isValid()) {
                 var player = syncHandler.getSyncManager().getCursorItem();
@@ -53,6 +54,7 @@ private CraftingInputSlot(IItemHandlerModifiable handler, int index) {
             return false;
         });
 
+        // dragging has stopped
         listenGuiAction((IGuiAction.MouseReleased) mouseButton -> {
             dragging = false;
             return true;
@@ -162,7 +164,7 @@ public InputSyncHandler(IItemHandlerModifiable handler, int index) {
         @Override
         public void init(String key, PanelSyncManager syncHandler) {
             super.init(key, syncHandler);
-            this.lastStoredItem = this.handler.getStackInSlot(this.index).copy();
+            this.lastStoredItem = getStack().copy();
         }
 
         @Override
@@ -185,16 +187,9 @@ public void readOnServer(int id, PacketBuffer buf) {
         public void detectAndSendChanges(boolean init) {
             ItemStack itemStack = getStack();
             if (itemStack.isEmpty() && this.lastStoredItem.isEmpty()) return;
-            boolean onlyAmountChanged = false;
-            if (init ||
-                    !ItemHandlerHelper.canItemStacksStack(this.lastStoredItem, itemStack) ||
-                    (onlyAmountChanged = itemStack.getCount() != this.lastStoredItem.getCount())) {
-                this.listener.onChange(itemStack, onlyAmountChanged, false, init);
-                if (onlyAmountChanged) {
-                    this.lastStoredItem.setCount(itemStack.getCount());
-                } else {
-                    this.lastStoredItem = itemStack.isEmpty() ? ItemStack.EMPTY : itemStack.copy();
-                }
+            if (init || !ItemHandlerHelper.canItemStacksStack(this.lastStoredItem, itemStack)) {
+                this.listener.onChange(itemStack, false, false, init);
+                this.lastStoredItem = itemStack.isEmpty() ? ItemStack.EMPTY : itemStack.copy();
                 syncToClient(SLOT_CHANGED, buffer -> NetworkUtils.writeItemStack(buffer, itemStack));
             }
         }
diff --git a/src/main/java/gregtech/mixins/mui2/ModularPanelMixin.java b/src/main/java/gregtech/mixins/mui2/ModularPanelMixin.java
index 05d287c9610..16e4a2b6b8c 100644
--- a/src/main/java/gregtech/mixins/mui2/ModularPanelMixin.java
+++ b/src/main/java/gregtech/mixins/mui2/ModularPanelMixin.java
@@ -68,9 +68,9 @@ public abstract class ModularPanelMixin extends ParentWidget<ModularPanel> imple
             loop:
             for (LocatedWidget widget : this.hovering) {
                 widget.applyMatrix(getContext());
+                GhostIngredientDrag<?> drag = gregTech$getGhostDrag();
                 if (widget.getElement() instanceof JeiGhostIngredientSlot<?>ghostSlot &&
                         Mods.JustEnoughItems.isModLoaded()) {
-                    GhostIngredientDrag<?> drag = gregTech$getGhostDrag();
                     if (drag != null && gregTech$insertGhostIngredient(drag, ghostSlot)) {
                         gregTech$stopDrag();
                         pressed = LocatedWidget.EMPTY;
@@ -79,7 +79,7 @@ public abstract class ModularPanelMixin extends ParentWidget<ModularPanel> imple
                         break;
                     }
                 }
-                if (widget.getElement() instanceof Interactable interactable) {
+                if (drag == null && widget.getElement() instanceof Interactable interactable) {
                     switch (interactable.onMousePressed(mouseButton)) {
                         case IGNORE:
                             break;