Looking further in /var/log/apt/term.log.* and history.log.* files shows that it's a consequence of the removal of QGis that I had to do in March, because it was blocking the upgrade from Debian 12 to 13, that removed the linux-headers-amd64 in the same move.
Start-Date: 2026-03-14 06:25:36
Commandline: apt autoremove
Requested-By: lebihan (1000)
Remove: libqt63dinput6:amd64 (6.8.2+dfsg-2), qt6-3d-defaultgeometryloader-plugin:amd64 (6.8.2+dfsg-2), libqt6pdf6:amd64 (6.8.2+dfsg-4), python3-pyqt6.qsci:amd64 (2.14.1+dfsg-1+b4), libqgis-core4.0.0:amd64 (1:4.0.0+18trixie), linux-headers-6.1.0-43-amd64:amd64 (6.1.162-1), libqgis-3d4.0.0:amd64 (1:4.0.0+18trixie), libqt63drender6:amd64 (6.8.2+dfsg-2), libqgisgrass8-4.0.0:amd64 (1:4.0.0+18trixie), libqt6serialport6:amd64 (6.8.2-3), libjs-leaflet:amd64 (1.7.1~dfsg-7), python3-pyqt6.qtserialport:amd64 (6.9.0-2), qgis-common:amd64 (1:3.44.7+17bookworm), python3-owslib:amd64 (0.33.0-1), python3-plotly:amd64 (5.20.0+dfsg-1), libqt5charts5:amd64 (5.15.15-2), libqgis-native4.0.0:amd64 (1:4.0.0+18trixie), libqscintilla2-qt6-l10n:amd64 (2.14.1+dfsg-1), libdraco8:amd64 (1.5.6+dfsg-3+b3), libqt63danimation6:amd64 (6.8.2+dfsg-2), python3-qgis-common:amd64 (1:4.0.0+18trixie), libassimp5:amd64 (5.4.3+ds-2), libqt6concurrent6:amd64 (6.8.2+dfsg-9+deb13u1), linux-headers-amd64:amd64 (6.12.74-2), linux-image-6.1.0-43-amd64:amd64 (6.1.162-1), libsdl-ttf2.0-0:amd64 (2.0.11-6+b2), network-manager-gnome:amd64 (1.36.0-3+b1), qml-module-qtcharts:amd64 (5.15.15-2), qt6-3d-scene2d-plugin:amd64 (6.8.2+dfsg-2), libspice-server1:amd64 (0.15.2-1+b1), libsqlite3-mod-spatialite:amd64 (5.1.0-3+b2), libmeshoptimizer2d:amd64 (0.22+dfsg-1), qgis-providers-common:amd64 (1:4.0.0+18trixie), libqt63dlogic6:amd64 (6.8.2+dfsg-2), python3-psycopg2:amd64 (2.9.10-1.pgdg130+2), python3-pyqt6.qtpositioning:amd64 (6.9.0-2), libqt63dextras6:amd64 (6.8.2+dfsg-2), libqt63dquickscene2d6:amd64 (6.8.2+dfsg-2), libqgis-server4.0.0:amd64 (1:4.0.0+18trixie), libgeographiclib26:amd64 (2.5-1), qt6-3d-assimpsceneimport-plugin:amd64 (6.8.2+dfsg-2), libqgis-gui4.0.0:amd64 (1:4.0.0+18trixie), libqt6uitools6:amd64 (6.8.2-5), qt6-image-formats-plugin-pdf:amd64 (6.8.2+dfsg-4), libqscintilla2-qt6-15:amd64 (2.14.1+dfsg-1+b4), libzip5:amd64 (1.11.3-2), qgis-plugin-grass-common:amd64 (1:4.0.0+18trixie), qgis-provider-grass:amd64 (1:4.0.0+18trixie), libqt63dcore6:amd64 (6.8.2+dfsg-2), python3-tenacity:amd64 (8.4.2+really8.4.1-2), qt6-3d-gltfsceneio-plugin:amd64 (6.8.2+dfsg-2), python3-pyproj:amd64 (3.7.1-1+b1), linux-headers-6.1.0-43-common:amd64 (6.1.162-1), libqgispython4.0.0:amd64 (1:4.0.0+18trixie), libqt6keychain1:amd64 (0.15.0-1)
End-Date: 2026-03-14 06:25:45