https://bugs.kde.org/show_bug.cgi?id=398257
--- Comment #3 from Michail Vourlakos <mvourla...@gmail.com> --- Some more info this produced when a not visible visible changes its size and afterwards reappears and updates its mask... This is a necessity of course and so it is Qt and X11 responsibility to fix their implementation. -- You are receiving this mail because: You are watching all bug changes.