https://bugs.kde.org/show_bug.cgi?id=520896
Bug ID: 520896
Summary: Annoying color and brightness flickers while moving
around the mouse in a Chromium window
Classification: Plasma
Product: kwin
Version First 6.6.91
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 192770
--> https://bugs.kde.org/attachment.cgi?id=192770&action=edit
Flicker while moving mouse around with Night Light enabled.
DESCRIPTION
In 6.7 Beta 2, moving the mouse around the window causes the desktop background
to shift white balance and brightness while Night Light is on.
When Night Light is off, the background darkens just a tiny little bit, but
it's enough to be noticed as a noisy effect that runs as you move the mouse.
STEPS TO REPRODUCE
1. Turn on Night Light.
2. Open a web page (it triggers even on this very own bugtracker). The webpage
in the video is:
https://www.reddit.com/r/linux/comments/1ttkmug/how_hard_would_it_really_be_to_make_a_linux/
3. Move the mouse around
OBSERVED RESULT
Background flickers both brightness and color balance, which is really
annoying.
EXPECTED RESULT
Background should not flicker. Instead, it should stay with what in the video
looks like the "clearer and brighter" version, as the dark one looks a bit
muddier.
SOFTWARE/OS VERSIONS
Operating System (available in the Info Center app, or by running `kinfo` in a
terminal window):
KDE Plasma Version: 6.6.91
KDE Frameworks Version: 6.26.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
Rendering backend (with kcmshell6 qtquicksettings) was set to "Vulkan" and
"Multithreaded". As Vulkan support is currently being worked on upstream, this
is a valid bug report.
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