[kde] [Bug 493291] New: Inducible crash of task switcher

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https://bugs.kde.org/show_bug.cgi?id=493291

            Bug ID: 493291
           Summary: Inducible crash of task switcher
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kammah at yahoo.com
  Target Milestone: ---

SUMMARY
When Plasma 6 is run in Wayland mode it is possible to induce a reproducible
crash of the task switcher.

STEPS TO REPRODUCE
1. Start Plasma 6 in Wayland mode.
2. Start Konsole (it might also work with other applications, but I found it
when using Konsole).
3. Press the left ALT-key and keep it pressed for at least 3 seconds.
4. Now while the ALT-key is still pressed, also press the TAB-key.

OBSERVED RESULT
When doing the steps above, I can make the task switcher crash. The crash is
reproducible and only happens in Wayland mode.

EXPECTED RESULT
The task switcher should not crash.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 24.10
KDE Plasma Version: 6.1.5
KDE Frameworks Version: 6.5.0
Qt Version: 6.6.2 

ADDITIONAL INFORMATION
It is important to keep the ALT-key pressed for at least a few seconds because
the crash will not happen if the ALT + TAB sequence is executed fast enough.

I suspect this is a crash of the task switcher because when doing this in X11
mode a 'task switcher' window appears briefly at the center of the screen with
all opened applications in it.
In Wayland mode this window does not appear.

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