(In reply to Michel Dänzer from comment #17) > Possibly. Basically, the compositor must not reparent a "borderless > fullscreen" X11 window to a larger X11 window (e.g. for drop shadows).
Re-posted response from KWin developers to this idea in the new bug: https://gitlab.freedesktop.org/xorg/xserver/issues/20
(In reply to Michel Dänzer from comment #17)
> Possibly. Basically, the compositor must not reparent a "borderless
> fullscreen" X11 window to a larger X11 window (e.g. for drop shadows).
Re-posted response from KWin developers to this idea in the new bug: /gitlab. freedesktop. org/xorg/ xserver/ issues/ 20
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