https://bugs.kde.org/show_bug.cgi?id=485880
Bug ID: 485880
Summary: Full screen in some applications causes low display
refresh rate
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: dead...@dmu.gg
Target Milestone: ---
SUMMARY
After a recent update, I have found that entering full screen in some
applications (such as Firefox and VS Code), causes my displays to go "choppy"
with a reduced refresh rate. I have installed these applications via Flatpak.
This does not occur in all apps, e.g. Brave (1.65.114 Flatpak) seems to be fine
when in full screen.
STEPS TO REPRODUCE
1. Open Firefox/VS Code
2. Enter full screen mode (F11)
3. Observe choppiness
OBSERVED RESULT
Choppy, laggy, low refresh rate cursor movement and video playback
EXPECTED RESULT
Smooth cursor movement and video playback
SOFTWARE/OS VERSIONS
Firefox Version: 125.0.1 (Flatpak)
VS Code Version: 1.88.0 (Flatpak)
Operating System: Arch Linux
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.8.7-arch1-1 (64-bit)
Graphics Platform: Wayland
Graphics Processor: AMD Radeon RX 7900 XT
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