https://bugs.kde.org/show_bug.cgi?id=475896
Bug ID: 475896
Summary: Wayland: Task Manager does not track open windows
Classification: Plasma
Product: plasmashell
Version: 5.27.8
Platform: Archlinux
OS: Linux
Status: REPORTED
Keywords: wayland
Severity: normal
Priority: NOR
Component: Task Manager and Icons-Only Task Manager
Assignee: plasma-b...@kde.org
Reporter: spyst...@gmail.com
CC: qydwhotm...@gmail.com
Target Milestone: 1.0
Flags: Wayland+
SUMMARY
Since Plasma 5.27.8 task manager occasionally stops tracking open windows on a
wayland session. This issue looks deceptively similar to Bug 429168 however it
only appeared between 5.27.7 and 5.27.8. Although they manifest in the same
manner they are probably caused by different issues. I also get the same
warning as in Bug 429168 when starting up plasmashell from the terminal
("org.kde.kf5.kwindowsystem.kwayland: This compositor does not support the
Plasma Window Management interface") and also as in Bug 429168 the issue
appears on all flavours of task manager. Reverting plasma-workspace (which
provides plasmashell) back to 5.27.7 stops the problem from appearing. I
browsed the git commits of plasma-workspace between 5.27.7 and 5.27.8 and there
were a few commits that *look* like they might be associated with this, for
instance this [0] or this [1] but unfortunately I am not qualified enough to
say.
[0]
https://invent.kde.org/plasma/plasma-workspace/-/commit/b235a5900107ef1cec7d6ac30f5569ee5e3357c1
[1]
https://invent.kde.org/plasma/plasma-workspace/-/commit/cb7dfe90f2a91f20c40a7e4744112602534aee38
STEPS TO REPRODUCE
1. Open a graphical application
OBSERVED RESULT
Task manager does not update
EXPECTED RESULT
A new icon appears on the task manager to track the status of the new window
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Archlinux
(available in About System)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.11
ADDITIONAL INFORMATION
With proprietary NVIDIA driver. Problem appears only on Wayland Sessions.
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