I am getting this on a d-u
The following packages will be REMOVED:
fwupd-amd64-signed kaccessible kde-runtime kopete libgtk2-perl phonon phonon-backend-gstreamer
The following NEW packages will be installed:
apt-config-icons-hidpi apt-config-icons-large-hidpi libfreecell-solver0 libfuse3-3 libllvm9 libperl5.30 linux-headers-5.3.5-towo.1-siduction-amd64 linux-image-5.3.5-towo.1-siduction-amd64 perl-modules-5.30 python3-libevdev qml-module-qtwebengine xdg-dbus-proxy
the solution provided in another thread
apt -s install phonon-backend-gstreamer-common
didn't work for me. Resulted in
The following additional packages will be installed:
phonon4qt5-backend-gstreamer
Suggested packages:
phonon-backend-gstreamer
The following packages will be REMOVED:
kaccessible kde-runtime kopete phonon phonon-backend-gstreamer
The following packages will be upgraded:
phonon-backend-gstreamer-common phonon4qt5-backend-gstreamer
2 upgraded, 0 newly installed, 5 to remove and 332 not upgraded.
Remv kaccessible [4:17.08.3-1]
Remv kopete [4:17.08.3-2.1]
Remv kde-runtime [4:17.08.3-2.1]
Remv phonon [4:4.10.3-2]
Remv phonon-backend-gstreamer [4:4.9.1-1]
Inst phonon4qt5-backend-gstreamer [4:4.9.1-1] (4:4.9.1-2 Debian:unstable [amd64]) []
Inst phonon-backend-gstreamer-common [4:4.9.1-1] (4:4.9.1-2 Debian:unstable [amd64])
Conf phonon4qt5-backend-gstreamer (4:4.9.1-2 Debian:unstable [amd64])
Conf phonon-backend-gstreamer-common (4:4.9.1-2 Debian:unstable [amd64])