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From: Alex &lt;allo@laxu.de&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: libgtk-4-1: libgtk-4.so.1 references undefined symbol
 gst_play_config_set_loop
Message-ID: &lt;177420685953.3925534.13973841669318688677.reportbug@neptune&gt;
X-Mailer: reportbug 13.2.0
Date: Sun, 22 Mar 2026 20:14:19 +0100
Delivered-To: submit@bugs.debian.org

Package: libgtk-4-1
Version: 4.22.1+ds-2
Severity: important

Dear Maintainer,
related to Bug#1130014 it looks like libgtk-4-1 is linked against a
wrong gstreamer version in current Debian testing.

The warning is:
(process:3925210): GLib-GIRepository-WARNING **: 20:11:15.797: Failed to load shared library 'libgtk-4.so.1' referenced by the typelib: /usr/lib/x86_64-linux-gnu/libgtk-4.so.1: undefined symbol: gst_play_config_set_loop

and breaks GI and thereby gajim (see the referenced bug). Maybe GTK, GI,
or gstreamer packages are the right layer to fix this.

Alex


-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.19.6+deb14+1-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libgtk-4-1 depends on:
ii  adwaita-icon-theme              50.0-1
ii  hicolor-icon-theme              0.18-2
ii  libc6                           2.42-13
ii  libcairo-gobject2               1.18.4-3
ii  libcairo-script-interpreter2    1.18.4-3
ii  libcairo2                       1.18.4-3
ii  libcloudproviders0              0.4.0-2
ii  libcolord2                      1.4.8-3
ii  libcups2t64                     2.4.16-1
ii  libepoxy0                       1.5.10-2+b1
ii  libfontconfig1                  2.17.1-5
ii  libfribidi0                     1.0.16-5
ii  libgdk-pixbuf-2.0-0             2.44.5+dfsg-4
ii  libgles2                        1.7.0-3
ii  libglib2.0-0t64                 2.88.0-1
ii  libgraphene-1.0-0               1.10.8-5+b1
ii  libgstreamer-gl1.0-0            1.28.1-1
ii  libgstreamer-plugins-bad1.0-0   1:1.26.0-dmo1+b1
ii  libgstreamer-plugins-base1.0-0  1.28.1-1
ii  libgstreamer1.0-0               1.28.1-1
ii  libgtk-4-common                 4.22.1+ds-2
ii  libharfbuzz-subset0             12.3.2-2+b2
ii  libharfbuzz0b                   12.3.2-2+b2
ii  libjpeg62-turbo                 1:2.1.5-4
ii  libpango-1.0-0                  1.57.0-1
ii  libpangocairo-1.0-0             1.57.0-1
ii  libpangoft2-1.0-0               1.57.0-1
ii  libpng16-16t64                  1.6.55-1
ii  libtiff6                        4.7.1-1
ii  libvulkan1                      1.4.341.0-1
ii  libwayland-client0              1.24.0-2+b2
ii  libwayland-egl1                 1.24.0-2+b2
ii  libx11-6                        2:1.8.13-1
ii  libxcursor1                     1:1.2.3-1+b1
ii  libxdamage1                     1:1.1.7-1
ii  libxext6                        2:1.3.4-1+b4
ii  libxfixes3                      1:6.0.0-2+b5
ii  libxi6                          2:1.8.2-2
ii  libxinerama1                    2:1.1.4-3+b5
ii  libxkbcommon0                   1.13.1-1
ii  libxrandr2                      2:1.5.4-1+b4
ii  shared-mime-info                2.4-5+b3

Versions of packages libgtk-4-1 recommends:
ii  ibus-gtk4        1.5.34~rc1-1
ii  iso-codes        4.20.1-1
ii  libgtk-4-bin     4.22.1+ds-2
ii  librsvg2-common  2.61.3+dfsg-3+b1

Versions of packages libgtk-4-1 suggests:
ii  gvfs  1.60.0-1

Versions of packages libgtk-4-1 is related to:
pn  fcitx5-frontend-gtk4  &lt;none&gt;
ii  ibus-gtk4             1.5.34~rc1-1
ii  libgtk-nocsd0         3+0~20260321+0b77e1b-1
pn  scim-gtk-immodule     &lt;none&gt;

-- no debconf information
]