Bug 429031

Summary: Black borders around some menus
Product: [Plasma] kwin Reporter: EP <bertyfogs+kdebugs>
Component: generalAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: normal CC: bugseforuns, justin.zobel, nate
Priority: NOR    
Version: 5.20.2   
Target Milestone: ---   
Platform: Manjaro   
OS: Linux   
Latest Commit: Version Fixed In:
Attachments: Black border around context menu in Dolphin

Description EP 2020-11-12 20:56:45 UTC
Created attachment 133270 [details]
Black border around context menu in Dolphin

SUMMARY

Since the 5.20 release I'm seeing black borders around some menus.

STEPS TO REPRODUCE
1. Open Dolphin.
2. Right click at the Menu bar.

OBSERVED RESULT
The menu has a rectangular black border.

EXPECTED RESULT
The menu has a usual grey border.

SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.20.2
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
Kernel Version: 5.8.18-1-MANJARO
Graphics Processor: Mesa IntelĀ® HD Graphics 530

ADDITIONAL INFORMATION
Without compositing everything looks the same.
Some other places displaying the same effect:
- the hamburger menu in sidebar-style System Settings;
- the menubar menu in kwrite, gwenview and other apps where it's applicable;
Comment 1 Justin Zobel 2020-11-12 23:16:22 UTC
Confirmed on KDE Neon Unstable (x11).
Comment 2 Nate Graham 2020-11-13 15:14:49 UTC

*** This bug has been marked as a duplicate of bug 428095 ***