Bug 515888

Summary: Window input stops responding after dragging Discord channel.
Product: [Plasma] kwin Reporter: priv.luk
Component: inputAssignee: KWin default assignee <kwin-bugs-null>
Status: REPORTED ---    
Severity: normal CC: duha.bugs
Priority: NOR    
Version First Reported In: 6.5.91   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description priv.luk 2026-02-11 23:25:43 UTC
SUMMARY
Window input stops responding after dragging a Discord channel.

STEPS TO REPRODUCE
1. Open Discord
2. Drag channel
3. Input is now stuck

OBSERVED RESULT
Input is now stuck

EXPECTED RESULT
Input is now *not* stuck

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 44
KDE Plasma Version: 6.5.91
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.19.0-300.fc44.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 4 × AMD Ryzen 9 5900X 12-Core Processor
Memory: 8.0 GiB of RAM (7.7 GiB usable)
Graphics Processor: llvmpipe

ADDITIONAL INFORMATION
https://youtu.be/dHCwVaxySHA - video recording showing how the bug is reproducible in latest Fedora 44 KDE, but not in Fedora 44 Workstation, exact .iso files listed below:
* https://dl.fedoraproject.org/pub/fedora/linux/development/44/KDE/x86_64/iso/Fedora-KDE-Desktop-Live-44-20260211.n.0.x86_64.iso
* https://dl.fedoraproject.org/pub/fedora/linux/development/44/Workstation/x86_64/iso/Fedora-Workstation-Live-44-20260211.n.0.x86_64.iso
Comment 1 priv.luk 2026-02-12 07:41:47 UTC
Forgot to mention, but I'm using ./Discord --enable-features=UseOzonePlatform --ozone-platform=wayland when reproducing this issue.