Bug 509716 - Certain windows, when maximised, resize downwards by 1px each time you switch away from it.
Summary: Certain windows, when maximised, resize downwards by 1px each time you switch...
Status: REPORTED
Alias: None
Product: kwin
Classification: Plasma
Component: general (other bugs)
Version First Reported In: 6.4.4
Platform: Fedora RPMs Linux
: NOR minor
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-09-20 15:03 UTC by bobw00558
Modified: 2025-09-20 15:03 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:

Attachments
There is an extra bar at the bottom, that has moved behind the panel (42.14 KB, image/png)
2025-09-20 15:03 UTC, bobw00558 		Details
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Description bobw00558 2025-09-20 15:03:37 UTC 
Created attachment 185116 [details]
There is an extra bar at the bottom, that has moved behind the panel

Windows affected that i currently know of are:
- Prism Launcher
- Virtual machine manager
- Discord (when forced wayland)

STEPS TO REPRODUCE
1. Maximise affected window
2. Switch away or minimise using the taskbar
3. Switch back

OBSERVED RESULT

Maximised window resizes downwards by 1px behind the panel each time it is switched away from

EXPECTED RESULT

It should not resize at all when switched away from.

SOFTWARE/OS VERSIONS
Linux: Fedora 42
KDE Plasma Version: 6.4.4
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2

ADDITIONAL INFORMATION
There doesn't seem to be a pattern in which windows are affected.