Has this been resolved? it's incredibly annoying, also Bins can not be saved and re opened to desired size, my bins open way out of frame in a monitor, how does this go through testing without being noticed lol

Up until I had MC 8.8.2, I had no problem dragging .mov files from my hard drive to my bin. With MC 8.8.3, I get the spinning colored ball and an error message. However, I have no problem if I go to the source browser and import my .mov files from there to my bin. Is this a glitch in 8.8.3 that needs...