Created attachment 162727 [details] Picture of the glitch (whenever i try and use spectacle, the glitch disappears) SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** noticing the same glitch as Bug 455526, marked as solved. not finding anyhing remotely recent about this glitch, decided to open a report. these glitches do not appear using Xorg. STEPS TO REPRODUCE 1. Open konsole 2. Enable blur in Konsole 3. Move cursor over konsole window OBSERVED RESULT Blur effect glitches, notably a dark square following cursor movement. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: EndeavourOS (available in About System) KDE Plasma Version: 5.27.9 KDE Frameworks Version: 5.111.0 Qt Version: 5.15.11 ADDITIONAL INFORMATION Nvidia 1080 GPU, i can reproduce it on blurred dolphin as well.
It's fixed in Plasma 6. The fix is sadly too big to backport it to 5.27 *** This bug has been marked as a duplicate of bug 455526 ***