Auto battle queue is not working right, it does not cycle characters out once they hit max level sometimes. Sometimes it works fine. This seems to mostly not always effect 1 star base characters and the bug seems to be attached to the character in that at level 10 it doesn't remove them so I have to stop the auto battle and rank them up it will probably not remove them at level 20 either. This is very annoying and wastes a lot of energy and is not appreciated.

Samsung Galaxy J7V 

The newest Android update I'm not sure the designation.