https://bugs.kde.org/show_bug.cgi?id=495218
Bug ID: 495218
Summary: Second monitor misbehaves when YouTube is played in
fullscreen on the other monitor
Classification: Plasma
Product: kwayland-integration
Version: unspecified
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: ch...@tangled.net.au
Target Milestone: ---
SUMMARY
I am not sure that this bug is related to the kwayland-integration, but it is
using wayland (my best estimate)
I have dual 4K monitors (3840x2160@60hz), running in extended desktop
(landscape side-by-side) with both monitors at 110% scale.
When playing a YouTube video in firefox, it behaves normally until the video is
put into fullscreen mode (does not matter which monitor), the other monitor
starts to misbehave.
This does not occur for other applications such a VLC.
STEPS TO REPRODUCE
1. Open Firefox
2. Play a YouTube video
3. Put video into fullscreen mode
4. Move mouse onto other monitor
OBSERVED RESULT
Windows on second monitor disappear (become hidden) while the mouse is moved on
that that monitor and reappear when the mouse is pulled back to the original
monitor.
EXPECTED RESULT
Windows on the second monitor remain visible and usable while YouTube is
playing in fullscreen on the first monitor.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
Operating System: Fedora Linux 40
Kernel Version: 6.11.3-200.fc40.x86_64 (64-bit)
KDE Plasma Version: 6.2.1
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
Graphics Platform: Wayland
Browser: Firefox 131.0.3 (64-bit)
ADDITIONAL INFORMATION
Worked without issue on plasma 6.1, and timing seems to coincide with the
plasma 6.2 upgrade.
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