https://bugs.kde.org/show_bug.cgi?id=480819
Bug ID: 480819
Summary: Window Glitching When Snapping to Left or Right in
Wayland
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@lew1s.com
Target Milestone: ---
SUMMARY
I've included a video of the issue because it's easier to show than describe:
https://mega.nz/file/DDZVwR7Q#YTJqguszTzMMvxyGg6d75ynU9TEgnnB5S3f36a9QdAY
The issue is that occasionally when snapping windows to the left or right of
the screen, there will be a visual glitch and cause all sorts of unexpected
results.
It tends to only happen with web browsers, and more frequently with Progressive
Web Apps, as you can see with Gmail in my example video.
The PWA I was demonstrating uses Chromium, but I’ve also had this occur with
Chrome and Brave. The Appearance settings in the browsers are set to “classic”,
but it happens with GTK and QT as well. I’ve set all themes back to default
Breeze default to ensure it wasn’t a theme issue.
I’ve only been able to reproduce this issue in Wayland. When running X11, it
works just fine.
STEPS TO REPRODUCE
1. Open PWA
2. Snap to either left or right
3. (I can't always reproduce the issue on demand, but it does happen very
frequently)
OBSERVED RESULT
Visual distortion after window snap
EXPECTED RESULT
Clean snap to either left or right side of screen
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.114.0
Qt Version: 5.15.12
kwin 5.27.10-2
wayland 1.22.0-1
ADDITIONAL INFORMATION
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