Bug 516113

Summary: Floating Translucent Panel rendering problem at specific window scale causing stripes.
Product: [Plasma] plasmashell Reporter: Tobias Frischmann <tobias.frischmann>
Component: PanelAssignee: Plasma Bugs List <plasma-bugs-null>
Status: REPORTED ---    
Severity: normal CC: niccolo.venerandi
Priority: NOR    
Version First Reported In: 6.5.5   
Target Milestone: 1.0   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Striping in the corner of the panel

Description Tobias Frischmann 2026-02-16 18:17:52 UTC
Created attachment 189673 [details]
Striping in the corner of the panel

SUMMARY

At specific window scale, the panel seems to incorrectly round pixels, causing the panel background to have stripes of double pixels and no pixels

STEPS TO REPRODUCE
1. Configure a Monitor 2560X1440 to 120% or 1920X1080 to 107% (106.667%) scaling
2. Set the panel to be floating

OBSERVED RESULT

Stripes within the Panel.

EXPECTED RESULT

Clean panel with all window scaling

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.9-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland

ADDITIONAL INFORMATION

Thanks in advance!