https://bugs.kde.org/show_bug.cgi?id=510485
Bug ID: 510485
Summary: Hot corner highlights in Breeze are all black after
system upgrade to KWin 6.4.5-4 and Qt 6.10.0 on Arch
Classification: Plasma
Product: kwin
Version First 6.4.5
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: im.tech....@gmail.com
Target Milestone: ---
SUMMARY
The Highlight Screen Edges and Hot Corners effect now only renders black
highlights in Breeze as of the latest Arch packaging in October 11th 2025 as
compared to two days before on Qt 6.9.2 and dependent KDE versions which worked
as intended.
Can reproduce in a new user account.
STEPS TO REPRODUCE
1. Upgrade Qt and KDE packages to the latest versions as of 25-10-11 9AM UTC
2. Restart/re-login
3. Move the mouse near a configured hot corner with the Breeze Plasma style.
OBSERVED RESULT
Corner and edge highlights are black.
EXPECTED RESULT
Should be accent colored as in previous versions.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: plasma-desktop 6.4.5-4
KDE Frameworks Version: 6.18.0
Qt Version: 6.10.0
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