Not to sure if this is intentional or not I doubt it.  but when alleys are attached to fences with leads they’re ai suddenly becomes very slow/ uninterested in drops (same as theirs) that are dropped on the ground. They are also very slow at returning the items to the player their ai seems to pick up some items and however for a few seconds until finding the rest. I have tested with and without leads using seeds and wheat. I cannot include videos as the file size is to big. However to recreate test alleys when on and off leads attached the fences