Kupfer seems broken with Python 3.11.8 (but not 3.11.7) about kupfer HOT 7 CLOSED

I don't see any problem on fresh Arch installation (py 3.11.8, xfce4, Kupfer from repo or git and enabled all plugins).
Also other arch-based distro (EndeavourOS, manjaro) with py 3.11.8 work fine.
Without more derailed information I can't help

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This is the dump I get from running in a terminal: (this is without debug info, i will try that next)

`
[torsten@rainier:/home/torsten]$ kupfer
Kupfer: A free software (GPLv3+) launcher
Copyright © 2007–2023 Ulrik Sverdrup with others
https://kupferlauncher.github.io/

INF [kupfer.core.sources] SourceController: Initial sources load
INF [kupfer.core.sources] PeriodicRescanner: scan Applications: 152 leaves in 0.00504 s
INF [kupfer.core.sources] PeriodicRescanner: scan torsten: 79 leaves in 0.00000 s
INF [kupfer.core.sources] PeriodicRescanner: scan Desktop: 10 leaves in 0.00000 s
INF [kupfer.ui.browser] WindowController: Trying to register space to spawn kupfer.. success
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
/usr/lib/python3.11/site-packages/gi/overrides/Gtk.py:1694: Warning: g_value_get_int: assertion 'G_VALUE_HOLDS_INT (value)' failed
return _Gtk_main(*args, **kwargs)

(kupfer.py:4639): Gdk-CRITICAL **: 07:49:39.371: gdk_app_launch_context_set_screen: assertion 'screen == NULL || gdk_screen_get_display (screen) == context->display' failed
INF [kupfer.core.sources] PeriodicRescanner: scan torsten: 79 leaves in 0.00272 s
INF [kupfer.core.sources] PeriodicRescanner: scan Desktop: 10 leaves in 0.00078 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
INF [kupfer.core.sources] PeriodicRescanner: Starting new campaign, interval 1 s
INF [kupfer.core.sources] PeriodicRescanner: Campaign finished, pausing 60 s
Segmentation fault (core dumped)
`

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I've attached a file where i had a run WITH debug info on as well.
kupfer-debug.txt

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@KarolBedkowski - i've been running with that line disabled for the entire weekend now and if does indeed seem to have fixed the issue! I haven't had any segmentation faults since!

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I don't see any problem with python 3.11.8 on Debian Sid.
What is last message before crash?
Try to disable all/some plugins.

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Running fully update Arch (as of 2024-04-09) with the latest Python (3.11.8) the program crashed with segmentation fault. The crash does not occur immediately but after some time when activating it through my selected shortcut keys.

Same here. I can't find any hint using the console output or even strace 🤷‍♂️

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Look like problem with gdk and detecting default display. Maybe some other updates take place (gi, gtk, gdk) or gi binding in Arch is broken.

Please comment or remove line 537:
uievents.try_close_unused_displays(screen)
in kupfer/ui/browser.py and we'll see if it help.

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