Bug 509346

Summary: Visual bug around Kickoff when fractional display scale is used
Product: [Plasma] kwin Reporter: Patrick Silva <bugseforuns>
Component: wayland-genericAssignee: KWin default assignee <kwin-bugs-null>
Status: CONFIRMED ---    
Severity: normal CC: kde, nate
Priority: NOR    
Version First Reported In: 6.4.80   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: screen recording

Description Patrick Silva 2025-09-10 14:00:19 UTC
Created attachment 184866 [details]
screen recording

SUMMARY
This visual glitch does not occur all the time, but it is frequent.

STEPS TO REPRODUCE
1. set display scale to 130% in Display Configuration KCM
2. open Kickoff
3. if no bug occurs, open and close Kickoff repeatedly until the bug occurs

OBSERVED RESULT
visual glitch observed in the attached screen recording

EXPECTED RESULT
the observed result should not occur

SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.2
Graphics Platform: Wayland
Comment 1 Nate Graham 2025-09-18 22:34:55 UTC
Can't reproduce with 175% scale, FWIW.
Comment 2 Vlad Zahorodnii 2025-10-08 12:29:15 UTC
If you disable the sliding popups effect, is the glitch visible?
Comment 3 Patrick Silva 2025-10-10 15:08:54 UTC
The glitch persists if sliding popups effect is disabled in Animations KCM.