https://bugs.kde.org/show_bug.cgi?id=495246
Bug ID: 495246
Summary: When changing screen brightness, the desktop wallpaper
shines through shortly in random regions
Classification: Plasma
Product: kwin
Version: 6.2.1
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: pos...@posteo.eu
Target Milestone: ---
Created attachment 175148
--> https://bugs.kde.org/attachment.cgi?id=175148&action=edit
Picture showing the issue
STEPS TO REPRODUCE
1. Open the Brightness and Color applet
2. Move the slider for the screen brightness back and forth
OBSERVED RESULT
While adjusting the brightness, screen flickers and at random regions, parts of
the desktop wallpaper shine through for fraction of a second.
It's not record-able with pipewire, so I've recorded it with my phone and took
a screenshot from the video.
It also seems the actual monitor backlight isn't changed as the brightness
setting of the monitor doesn't change, but instead a purely visual darkening
overlay effect is in charge.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20241021
KDE Plasma Version: 6.2.1
KDE Frameworks Version: 6.7.0
Qt Version: 6.8.0
Kernel Version: 6.11.3-2-default (64-bit)
Graphics Platform: Wayland
Graphics Processor: AMD Radeon RX 580 Series
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