Yes, I'm on a Win10 system. Right-click -> Open works fine as well as pressing Enter key does. It has nothing to do with the file associations - since the both ways right click and Enter work fine. I've doubts, that it is a windows problem, since double click open all other file formats except videos (mp4, mov, wmv, ...) - and the double click work in previous Bridge version fine. It looks like a bug - the auto replay starts as I move the mouse coursor over the video thumbnail and that in the end maybe ignores all other "clicks" on the thumbnail.
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