https://bugs.kde.org/show_bug.cgi?id=421537
Bug ID: 421537 Summary: New Window Rules kcm: scrolling through window rules list causes high cpu usage Product: systemsettings Version: 5.18.90 Platform: Archlinux Packages OS: Linux Status: REPORTED Severity: normal Priority: NOR Component: general Assignee: plasma-b...@kde.org Reporter: bugsefor...@gmx.com Target Milestone: --- Created attachment 128468 --> https://bugs.kde.org/attachment.cgi?id=128468&action=edit screenshot STEPS TO REPRODUCE 1. have dozens of window rules configured on your system 2. open system activity by pressing ctrl+esc 3. open system settings > window management > window rules 4. scroll the window rules list and observe the cpu usage OBSERVED RESULT high cpu usage, see the attached screenshot taken on X11 please. On Wayland cpu usage is even worst, sometimes reaching 50% on my system. EXPECTED RESULT normal cpu usage SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.18.90 KDE Frameworks Version: 5.70.0 Qt Version: 5.15.0 rc2 -- You are receiving this mail because: You are watching all bug changes.