https://bugs.kde.org/show_bug.cgi?id=504293
Bug ID: 504293
Summary: Hidden Electron windows take a very long time to show
again, but icon appears instantly
Classification: Plasma
Product: kwin
Version First 5.27.12
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: kdere...@gmail.com
Target Milestone: ---
SUMMARY
Hidden Electron windows take a very long time to show again, but icon appears
instantly.
STEPS TO REPRODUCE
1. See this issue and the attached repro Gist URL
2. Run that repro Gist in Electron Fiddle (https://www.electronjs.org/fiddle)
OBSERVED RESULT
Taskbar icon appears instantly, but window takes several seconds to appear.
EXPECTED RESULT
Taskbar icon and window both appear instantly.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 24.04
KDE Plasma Version: 5.27.12
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.13
ADDITIONAL INFORMATION
Since at least KDE 5.27.12, but only affecting Electron 34.0 and above.
Affects X11 and Wayland.
Disabling the compositor fully mitigates the issue, but is not viable with
Wayland.
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