It takes a special kind of player

- Fixed Depot accepting item stacks with invalid amounts
- Fixed filter slots containing enchantment and attribute data of filter items

src/main/java/com/simibubi/create/content/logistics/depot/DepotBehaviour.java

@@ -307,18 +307,27 @@ public class DepotBehaviour extends BlockEntityBehaviour {
 			return returned;
 		}
 
-		if (!simulate) {
+		ItemStack returned = ItemStack.EMPTY;
-			if (this.isEmpty()) {
+		int maxCount = heldItem.stack.getMaxStackSize();
-				if (heldItem.insertedFrom.getAxis()
+		if (maxCount < heldItem.stack.getCount())
-					.isHorizontal())
+			returned = ItemHandlerHelper.copyStackWithSize(heldItem.stack, heldItem.stack.getCount() - maxCount);
-					AllSoundEvents.DEPOT_SLIDE.playOnServer(getWorld(), getPos());
+
-				else
+		if (simulate)
-					AllSoundEvents.DEPOT_PLOP.playOnServer(getWorld(), getPos());
+			return returned;
-			}
+		
-			this.heldItem = heldItem;
+		if (this.isEmpty()) {
-			onHeldInserted.accept(heldItem.stack);
+			if (heldItem.insertedFrom.getAxis()
+				.isHorizontal())
+				AllSoundEvents.DEPOT_SLIDE.playOnServer(getWorld(), getPos());
+			else
+				AllSoundEvents.DEPOT_PLOP.playOnServer(getWorld(), getPos());
 		}
-		return ItemStack.EMPTY;
+
+		heldItem = heldItem.copy();
+		heldItem.stack.setCount(maxCount);
+		this.heldItem = heldItem;
+		onHeldInserted.accept(heldItem.stack);
+		return returned;
 	}
 
 	public void setHeldItem(TransportedItemStack heldItem) {

src/main/java/com/simibubi/create/content/logistics/filter/FilterItemStack.java

@@ -23,6 +23,10 @@ public class FilterItemStack {
 
 	public static FilterItemStack of(ItemStack filter) {
 		if (filter.hasTag()) {
+			CompoundTag stackTag = filter.getTag();
+			stackTag.remove("Enchantments");
+			stackTag.remove("AttributeModifiers");
+
 			if (AllItems.FILTER.isIn(filter))
 				return new ListFilterItemStack(filter);
 			if (AllItems.ATTRIBUTE_FILTER.isIn(filter))

src/main/java/com/simibubi/create/content/processing/basin/BasinBlockEntity.java

@@ -380,7 +380,7 @@ public class BasinBlockEntity extends SmartBlockEntity implements IHaveGoggleInf
 			inserter = BlockEntityBehaviour.get(level, be.getBlockPos(), InvManipulationBehaviour.TYPE);
 		}
 
-		if (be instanceof BasinBlockEntity)
+		if (filter.isRecipeFilter())
 			filter = null; // Do not test spout outputs against the recipe filter
 
 		IItemHandler targetInv = be == null ? null

src/main/java/com/simibubi/create/foundation/blockEntity/behaviour/filtering/FilteringBehaviour.java

@@ -387,5 +387,9 @@ public class FilteringBehaviour extends BlockEntityBehaviour implements ValueSet
 
 		return setFilter(side, copied);
 	}
+	
+	public boolean isRecipeFilter() {
+		return recipeFilter;
+	}
 
 }