just trying out 4.6 Beta 2 and liking it so far, only issue I had so far is this: When I grab a window and hold down Super the window will stop moving after half a second or so, reacting to the mouse sporadically only.
Not holding down Super while moving works flawlessly, but I kinda got used to holding the key down.
Yes, this is an unfortunate side effect of the new move/resize code that allows both keyboard and mouse operations at the same time.
The problem comes from the fact that the “Super” key is seen both as a modifier and a regular key (easy to see with xev).
When usign that key as a modifier for move/resize, the operation terminates as soon as a key press event is received that is not one of the arrow keys, ie when auto-repeat is triggered by the “Super” key.
Not sure how to “fix” that cleanly though, I kinda like the idea of being able to finish move/resize by pressing any key that is not one of the arrow keys...
That should be fixed in trunk with rev. 28868.