https://bugs.kde.org/show_bug.cgi?id=464852
Bug ID: 464852 Summary: Closing single window among grouped ones through a thumbnail often crashes whole task bar/panel Classification: Plasma Product: kwin Version: 5.26.5 Platform: Archlinux OS: Linux Status: REPORTED Severity: crash Priority: NOR Component: compositing Assignee: kwin-bugs-n...@kde.org Reporter: wladys...@outlook.com Target Milestone: --- Created attachment 155667 --> https://bugs.kde.org/attachment.cgi?id=155667&action=edit task bar SUMMARY *** As title says if I open several windows of the same program (Konsole, Dolphin, Firefox) and then hover mouse over thumbnail and close one window (through thumbnail) often it'll crash task bar. Panel will briefly disappear and kinda restart once again. *** STEPS TO REPRODUCE 1. Open several windows of the same program - may be Konsole or Dolphin 2. Focus on another window/program 3. Hover mouse over thumbnail with grouped windows and click close button (on thumbnail). See attachment OBSERVED RESULT Task bar/panel briefly disappears and reappears once again EXPECTED RESULT Task bar should not disappear/crash/restart SOFTWARE/OS VERSIONS Linux/KDE Plasma: EndeavourOS (Arch Linux), kernel 5.15.90 lts (available in About System) KDE Plasma Version: 5.26.5 KDE Frameworks Version: 5.102.0 Qt Version: 5.15.8 ADDITIONAL INFORMATION added screenshot to better show what I'm talking about -- You are receiving this mail because: You are watching all bug changes.