I also have those packages to be removed:
The following packages will be REMOVED:
kinfocenter libqalculate5v5 plasma-desktop plasma-widgets-addons plasma-workspace sddm-theme-breeze
The following NEW packages will be installed:
libfdk-aac2 libpython3.7 linux-headers-4.19.0-4.slh.1-aptosid-amd64 linux-image-4.19.0-4.slh.1-aptosid-amd64
The following packages will be upgraded:
acpid ark aspell-pt-br avidemux avidemux-common avidemux-plugins avidemux-qt binutils binutils-common binutils-x86-64-linux-gnu
bluedevil breeze breeze-cursor-theme breeze-gtk-theme btrfs-progs calf-plugins cpp-8 cryptsetup cryptsetup-bin
cryptsetup-initramfs cryptsetup-run cups-filters cups-filters-core-drivers drkonqi feh ffmpeg firefox fonts-opensymbol fragmaster
g++-8 gcc-8 gcc-8-base gdb-minimal gfortran-8 ghostscript ghostscript-x gir1.2-freedesktop gir1.2-glib-2.0 git git-gui git-man
gitk gtk3-engines-breeze handbrake-cli handbrake-gtk hplip init init-system-helpers initscripts kactivitymanagerd kde-cli-tools
kde-cli-tools-data kde-config-gtk-style kde-config-sddm kde-style-breeze kde-style-breeze-qt4 kde-style-oxygen
kde-style-oxygen-qt4 kdeplasma-addons-data khotkeys khotkeys-data kmenuedit kscreen ksysguard ksysguard-data ksysguardd
kwin-common kwin-data kwin-style-breeze kwin-x11 libasan5 libasound2 libatkmm-1.6-1v5 libatomic1 libavcodec58 libavdevice58
libavfilter7 libavformat58 libavresample4 libavutil56 libbasicusageenvironment1 libbinutils libblockdev-crypto2 libblockdev-fs2
libblockdev-loop2 libblockdev-mdraid2 libblockdev-part-err2 libblockdev-part2 libblockdev-swap2 libblockdev-utils2 libblockdev2
libcap-ng0 libcc1-0 libclang1-7 libcolorcorrect5 libcryptsetup12 libcupsfilters1 libdap25 libdapclient6v5 libdapserver7v5
libegl-mesa0 libegl1-mesa libffi6 libfontembed1 libfreetype6 libfreetype6-dev libgbm1 libgcc-8-dev libgcc1 libgdbm-compat4
libgdbm-dev libgdbm6 libgdcm2.8 libgfortran-8-dev libgfortran5 libgirepository-1.0-1 libgl1-mesa-dri libgl1-mesa-glx
libglapi-mesa libgles2-mesa libglx-mesa0 libgomp1 libgphoto2-6 libgphoto2-port12 libgroupsock8 libgs9 libgs9-common libhpmud0
libitm1 libjavascriptcoregtk-4.0-18 libkdecorations2-5v5 libkdecorations2private6 libkf5runner5 libkf5screen-bin libkf5screen7
libkf5sysguard-bin libkf5sysguard-data libkfontinst5 libkfontinstui5 libkpmcore7 libkscreenlocker5 libksgrd7 libksignalplotter7
libkwin4-effect-builtins1 libkwineffects11 libkwinglutils11 libkwinxrenderutils11 libkworkspace5-5 libldb1 liblirc-client0
liblircclient0 liblivemedia64 libllvm7 liblsan0 libminiupnpc17 libmlt++3 libmlt-data libmlt6 libmojolicious-perl libmpx2
libnatpmp1 libnghttp2-14 libnss3 libomp5-7 liborcus-0.13-0 libosmesa6 libpangomm-1.4-1v5 libplasma-geolocation-interface5
libpolkit-agent-1-0 libpolkit-backend-1-0 libpolkit-gobject-1-0 libpostproc55 libpowerdevilcore2 libpowerdevilui5 libpq5
libprocesscore7 libprocessui7 libprotobuf-lite17 libpython3-stdlib libquadmath0 librados2 librbd1 libreoffice
libreoffice-avmedia-backend-gstreamer libreoffice-base libreoffice-base-core libreoffice-base-drivers libreoffice-calc
libreoffice-common libreoffice-core libreoffice-draw libreoffice-help-common libreoffice-help-de libreoffice-help-en-us
libreoffice-impress libreoffice-java-common libreoffice-kde5 libreoffice-l10n-de libreoffice-librelogo libreoffice-math
libreoffice-report-builder-bin libreoffice-script-provider-python libreoffice-style-breeze libreoffice-style-colibre
libreoffice-style-tango libreoffice-wiki-publisher libreoffice-writer libruby2.5 libsane-hpaio libsmbclient libsqlite3-0
libsqlite3-dev libssl-dev libssl1.0.2 libssl1.1 libstdc++-8-dev libstdc++6 libswresample3 libswscale5 libtaskmanager6 libtdb1
libtiff5 libtsan0 libubsan1 libudisks2-0 libunbound8 libupower-glib3 libusageenvironment3 libvolume-key1 libwayland-egl1-mesa
libwbclient0 libweather-ion7 libwebkit2gtk-4.0-37 libwxbase3.0-0v5 libwxgtk3.0-0v5 libxatracker2 linux-headers-aptosid-amd64
linux-image-aptosid-amd64 linux-libc-dev melt milou openssl ovmf oxygen-sounds partitionmanager plasma-browser-integration
plasma-dataengines-addons plasma-desktop-data plasma-integration plasma-pa plasma-wallpapers-addons plasma-workspace-wallpapers
policykit-1 polkit-kde-1 polkit-kde-agent-1 powerdevil powerdevil-data printer-driver-hpcups python-mlt python-numpy python3
python3-dbus.mainloop.pyqt5 python3-jedi python3-minimal python3-numpy python3-psutil python3-pyqt5 python3-pyqt5.qtmultimedia
python3-pyqt5.qtopengl python3-pyqt5.qtsvg python3-pyqt5.qtwebkit python3-reportbug python3-uno
qml-module-qtquick-controls-styles-breeze qtchooser reportbug ruby2.5 samba-common samba-libs smbclient sudo supermin
systemsettings sysv-rc sysvinit-utils thunderbird udisks2 uno-libs3 upower ure vapoursynth vim vim-common vim-runtime xxd
295 upgraded, 4 newly installed, 6 to remove and 0 not upgraded.
Need to get 0 B/550 MB of archives.
After this operation, 239 MB of additional disk space will be used.
Download complete and in download only mode
After some investigation, it seems to me (not an expert at all!) that the problem is with libqalculate5v5. Maybe forcing the installation of libqalculate20 would fix it?
# apt -s install libqalculate20
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
breeze breeze-cursor-theme drkonqi kactivitymanagerd kde-cli-tools kde-cli-tools-data kde-style-breeze kde-style-breeze-qt4
kdeplasma-addons-data kinfocenter kscreen kwin-common kwin-data kwin-style-breeze kwin-x11 libkwin4-effect-builtins1
libkwineffects11 libkwinglutils11 libkwinxrenderutils11 libqalculate20-data milou oxygen-sounds plasma-dataengines-addons
plasma-desktop plasma-desktop-data plasma-integration plasma-wallpapers-addons plasma-widgets-addons plasma-workspace
polkit-kde-agent-1 qml-module-qtquick-controls-styles-breeze
Suggested packages:
orion-gtk-theme kwin-addons
Recommended packages:
kde-style-qtcurve libqt5multimedia5-plugins qml-module-qtquick-virtualkeyboard bluedevil breeze-gtk-theme fonts-hack fonts-noto
kde-config-gtk-style kde-config-screenlocker kde-config-sddm kde-style-oxygen-qt5 kgamma5 khotkeys kmenuedit ksshaskpass
ksysguard kwrited libpam-kwallet5 plasma-discover plasma-pa powerdevil systemsettings user-manager ksysguardd
The following packages will be REMOVED:
libqalculate5-data libqalculate5v5
The following NEW packages will be installed:
libqalculate20 libqalculate20-data
The following packages will be upgraded:
breeze breeze-cursor-theme drkonqi kactivitymanagerd kde-cli-tools kde-cli-tools-data kde-style-breeze kde-style-breeze-qt4
kdeplasma-addons-data kinfocenter kscreen kwin-common kwin-data kwin-style-breeze kwin-x11 libkwin4-effect-builtins1
libkwineffects11 libkwinglutils11 libkwinxrenderutils11 milou oxygen-sounds plasma-dataengines-addons plasma-desktop
plasma-desktop-data plasma-integration plasma-wallpapers-addons plasma-widgets-addons plasma-workspace polkit-kde-agent-1
qml-module-qtquick-controls-styles-breeze
30 upgraded, 2 newly installed, 2 to remove and 270 not upgraded.
Inst plasma-desktop [4:5.13.5-1+b1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst polkit-kde-agent-1 [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst qml-module-qtquick-controls-styles-breeze [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) [breeze:amd64 ]
Inst kinfocenter [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) [breeze:amd64 ]
Inst plasma-widgets-addons [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) [breeze:amd64 ]
Inst plasma-workspace [4:5.13.5-1+b1] (4:5.14.3-1+b1 Debian:unstable [amd64]) [breeze:amd64 ]
Inst plasma-integration [5.13.5-1+b1] (5.14.3-1 Debian:unstable [amd64]) [breeze:amd64 ]
Inst breeze [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst oxygen-sounds [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [all]) []
Inst kscreen [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kde-cli-tools [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kactivitymanagerd [5.13.5-1] (5.14.3-1 Debian:unstable [amd64]) []
Inst drkonqi [5.13.4-1] (5.14.3-1 Debian:unstable [amd64]) []
Inst milou [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kwin-x11 [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst libkwinglutils11 [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst kwin-common [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst breeze-cursor-theme [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [all]) []
Inst kde-style-breeze-qt4 [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kde-style-breeze [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kwin-style-breeze [4:5.13.4-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kde-cli-tools-data [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [all]) []
Inst plasma-desktop-data [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [all]) []
Inst plasma-wallpapers-addons [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst plasma-dataengines-addons [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [amd64]) []
Inst kdeplasma-addons-data [4:5.13.5-1] (4:5.14.3-1 Debian:unstable [all]) []
Inst libkwinxrenderutils11 [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst libkwin4-effect-builtins1 [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst libkwineffects11 [4:5.13.5-1+b1] (4:5.14.3-2 Debian:unstable [amd64]) []
Inst kwin-data [4:5.13.5-1] (4:5.14.3-2 Debian:unstable [all]) []
Remv libqalculate5v5 [0.9.7-9.2+b1] []
Remv libqalculate5-data [0.9.7-9.2] []
Inst libqalculate20-data (2.8.0-2 Debian:unstable [all]) []
Inst libqalculate20 (2.8.0-2 Debian:unstable [amd64])
Conf plasma-desktop (4:5.14.3-1 Debian:unstable [amd64])
Conf polkit-kde-agent-1 (4:5.14.3-1 Debian:unstable [amd64])
Conf qml-module-qtquick-controls-styles-breeze (4:5.14.3-1 Debian:unstable [amd64])
Conf kinfocenter (4:5.14.3-1 Debian:unstable [amd64])
Conf plasma-widgets-addons (4:5.14.3-1 Debian:unstable [amd64])
Conf plasma-workspace (4:5.14.3-1+b1 Debian:unstable [amd64])
Conf plasma-integration (5.14.3-1 Debian:unstable [amd64])
Conf breeze (4:5.14.3-1 Debian:unstable [amd64])
Conf oxygen-sounds (4:5.14.3-1 Debian:unstable [all])
Conf kscreen (4:5.14.3-1 Debian:unstable [amd64])
Conf kde-cli-tools (4:5.14.3-1 Debian:unstable [amd64])
Conf kactivitymanagerd (5.14.3-1 Debian:unstable [amd64])
Conf drkonqi (5.14.3-1 Debian:unstable [amd64])
Conf milou (4:5.14.3-1 Debian:unstable [amd64])
Conf kwin-x11 (4:5.14.3-2 Debian:unstable [amd64])
Conf libkwinglutils11 (4:5.14.3-2 Debian:unstable [amd64])
Conf kwin-common (4:5.14.3-2 Debian:unstable [amd64])
Conf breeze-cursor-theme (4:5.14.3-1 Debian:unstable [all])
Conf kde-style-breeze-qt4 (4:5.14.3-1 Debian:unstable [amd64])
Conf kde-style-breeze (4:5.14.3-1 Debian:unstable [amd64])
Conf kwin-style-breeze (4:5.14.3-1 Debian:unstable [amd64])
Conf kde-cli-tools-data (4:5.14.3-1 Debian:unstable [all])
Conf plasma-desktop-data (4:5.14.3-1 Debian:unstable [all])
Conf plasma-wallpapers-addons (4:5.14.3-1 Debian:unstable [amd64])
Conf plasma-dataengines-addons (4:5.14.3-1 Debian:unstable [amd64])
Conf kdeplasma-addons-data (4:5.14.3-1 Debian:unstable [all])
Conf libkwinxrenderutils11 (4:5.14.3-2 Debian:unstable [amd64])
Conf libkwin4-effect-builtins1 (4:5.14.3-2 Debian:unstable [amd64])
Conf libkwineffects11 (4:5.14.3-2 Debian:unstable [amd64])
Conf kwin-data (4:5.14.3-2 Debian:unstable [all])
Conf libqalculate20-data (2.8.0-2 Debian:unstable [all])
Conf libqalculate20 (2.8.0-2 Debian:unstable [amd64])
The above looks good, but I did not try it yet.
Anyone with more experience care to comment?