Hopefully an oversight.
Please add back on-button-up and on-button-down, it's invaluable for the mouse.
Some previous use cases:
left-click down = fullscreen; left-click up = pause (this one is a classical with launch files in fullscreen, then left-click to restore window and pause, left-click again to fullscreen and play)
right-click down = OSD: Show File Name; right-click up = Player Menu
Hopefully an oversight. Please add back on-button-up and on-button-down, it's invaluable for the mouse. Some previous use cases: