Package: sddm Version: 0.21.0-4 Severity: normal After the qtvirtualkeyboard-plugin was promoted to recommend, installing from experimental without manually installing first qtvirtualkeyboard-plugin from unstable first leads to remove most kde5/6 as it will by default install qt5 5.15.5.
Furthermore, it requires to install a qt5 component while sddm itself is compiled for qt6 in experimental. Mixing qt5 and qt6 libraries for an executable is usually not recommended... dpkg -l *qt* | grep virtual ii libqt5hunspellinputmethod5:amd64 5.15.13+dfsg-2 amd64 Qt virtual keyboard - helper library for Hunspell input method ii libqt5virtualkeyboard5:amd64 5.15.13+dfsg-2 amd64 Qt virtual keyboard - public shared library ii libqt6virtualkeyboard6:amd64 6.7.2+dfsg-3 amd64 Qt 6 Virtual Keyboard library ii qml-module-qtquick-virtualkeyboard:amd64 5.15.13+dfsg-2 amd64 Qt virtual keyboard - QML module ii qml6-module-qtquick-virtualkeyboard:amd64 6.7.2+dfsg-3 amd64 Qt 6 Virtual Keyboard QML module ii qtvirtualkeyboard-plugin:amd64 5.15.13+dfsg-2 amd64 Qt virtual keyboard ii virtualbox-qt dpkg -s sddm | grep virtual Recommends: libpam-systemd, qtvirtualkeyboard-plugin, sddm-theme-debian-breeze | sddm-theme root@tri-yann5:~# dpkg -l qtvirtualkeyboard-plugin Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============================-==============-============-================================= ii qtvirtualkeyboard-plugin:amd64 5.15.13+dfsg-2 amd64 Qt virtual keyboard pt-cache policy qtvirtualkeyboard-plugin qtvirtualkeyboard-plugin: Installed: 5.15.13+dfsg-2 Candidate: 5.15.13+dfsg-2 Version table: 5.15.15+dfsg-1 1 1 http://ftp.fr.debian.org/debian experimental/main amd64 Packages *** 5.15.13+dfsg-2 500 500 http://ftp.fr.debian.org/debian testing/main amd64 Packages 500 http://ftp.fr.debian.org/debian unstable/main amd64 Packages 100 /var/lib/dpkg/status 5.15.8+dfsg-2 500 500 http://ftp.fr.debian.org/debian stable/main amd64 Packages -- System Information: Debian Release: trixie/sid APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 6.6.57 (SMP w/16 CPU threads; PREEMPT) Kernel taint flags: TAINT_OOT_MODULE Locale: LANG=fr_FR.UTF8, LC_CTYPE=fr_FR.UTF8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/bash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages sddm depends on: ii adduser 3.137 ii debconf [debconf-2.0] 1.5.87 ii libc6 2.40-3 ii libgcc-s1 14.2.0-7 ii libpam0g 1.5.3-7 ii libqt6core6t64 6.7.2+dfsg-3 ii libqt6dbus6 6.7.2+dfsg-3 ii libqt6gui6 6.7.2+dfsg-3 ii libqt6network6 6.7.2+dfsg-3 ii libqt6qml6 6.7.2+dfsg-9 ii libqt6quick6 6.7.2+dfsg-9 ii libstdc++6 14.2.0-7 ii libsystemd0 256.7-2 ii libxau6 1:1.0.9-1+b1 ii libxcb-xkb1 1.17.0-2 ii libxcb1 1.17.0-2 ii qml6-module-qtqml 6.7.2+dfsg-9 ii qml6-module-qtqml-base 6.7.2+dfsg-9 ii qml6-module-qtqml-models 6.7.2+dfsg-9 ii qml6-module-qtqml-workerscript 6.7.2+dfsg-9 ii qml6-module-qtquick 6.7.2+dfsg-9 ii x11-common 1:7.7+23.1 ii xauth 1:1.1.2-1 ii xkb-data 2.42-1 ii xserver-xorg [xserver] 1:7.7+23.1 Versions of packages sddm recommends: ii libpam-systemd 256.7-2 ii qtvirtualkeyboard-plugin 5.15.13+dfsg-2 ii sddm-theme-breeze [sddm-theme] 4:6.2.1-1 Versions of packages sddm suggests: ii libpam-kwallet5 6.2.1-1 -- debconf information: * shared/default-x-display-manager: sddm sddm/daemon_name: /usr/bin/sddm