[Falkon] [Bug 493407] New: Starting Falkon occasionally results in Falkon being displayed only with its minimized program button in the KDE task bar

[Jens]

https://bugs.kde.org/show_bug.cgi?id=493407

            Bug ID: 493407
           Summary: Starting Falkon occasionally results in Falkon being
                    displayed only with its minimized program button in
                    the KDE task bar
    Classification: Applications
           Product: Falkon
           Version: 24.08.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: senf at mailbox.org
  Target Milestone: ---

This behavior does not occur at every single start of Falkon, it occurs once in
a while:

Having started Falkon either from within the console with the corresponding
command or by clicking the Falkon icon in the KDE start menu or in the KDE task
bar, Falkon's main GUI window does not get displayed, but instead of that
Falkon gets displayed through its minimized button in the KDE task bar.
Clicking on that minimized button in the KDE task bar does not maximize Falkon,
i. e. Falkon's main GUI window does not get displayed.

The console provides the following debug information about this behavior:

<User>@<Hostname>:~$ falkon
Path override failed for key base::DIR_APP_DICTIONARIES and path
'/usr/lib/qt6/libexec/qtwebengine_dictionaries'
Path override failed for key base::DIR_APP_DICTIONARIES and path
'/usr/lib/qt6/libexec/qtwebengine_dictionaries'
MESA-INTEL: warning: Ivy Bridge Vulkan support is incomplete
Falkon: 2 extensions loaded
qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0

I cannot assess if this behavior is purely related to Qt and Wayland.

journalctl did not log anything about this behavior:

<User>@<Hostname>:~$ sudo journalctl --user --catalog -f
No journal files were found.

<User>@<Hostname>:~$ sudo journalctl --user -S today | grep -i falkon
No journal files were found.
<User>@<Hostname>:~$

<User>@<Hostname>:~$ sudo journalctl --system --catalog -S today | grep -i
falkon
[sudo] password for <User>:
<User>@<Hostname>~$

SOFTWARE/OS VERSIONS
Linux: Tuxedo OS 3
KDE Plasma Version:  6.1.5
KDE Frameworks Version (kf6-frameworkintegration): 6.5.0
Qt Version: 6.7.2

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