Bug 515160

Summary: Plasmashell crashes when rapidly switching taskbar groups
Product: [Plasma] plasmashell Reporter: ytr7ds
Component: Window List widgetAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: cwo.kde, uhhadd
Priority: NOR    
Version First Reported In: 6.5.5   
Target Milestone: 1.0   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: gdb

Description ytr7ds 2026-01-27 16:30:02 UTC
Created attachment 188952 [details]
gdb

SUMMARY
When switching quickly between groups on the taskbar and letting the popup show, there is a high possibility that plasmashell will crash.

STEPS TO REPRODUCE
1. video


OBSERVED RESULT
crash

EXPECTED RESULT
display correctly without crashing

SOFTWARE/OS VERSIONS
perating System: Kubuntu 25.10
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.20.0
Qt Version: 6.9.2
Kernel Version: 6.17.0-8-generic (64-bit)
Graphics Platform: Wayland
Processors: 24 × Intel® Core™ Ultra 9 275HX
Memory: 64 GiB of RAM (62.2 GiB usable)
Graphics Processor 1: NVIDIA GeForce RTX 5070 Ti Laptop GPU
Graphics Processor 2: Intel® Graphics


ADDITIONAL INFORMATION
Comment 2 cwo 2026-01-27 19:16:21 UTC
Thank you for the bug report! This is an upstream Qt bug, and should be fixed in Qt 6.10.1 and later.

*** This bug has been marked as a duplicate of bug 491699 ***