https://software.opensuse.org/download.html?project=graphics:darktable&package=darktable

Paket von https://software.opensuse.org//download.html?project=graphics%3Adarktable%3Amaster&package=darktable herunterladen und mit dpkg -i installieren

AppImage von https://github.com/darktable-org/darktable/releases/tag/nightly herunterladen.
Starten mit

~/downloads/Darktable-4.7.0+227.g420bc453d7-x86_64.AppImage  --configdir "~/.config/darktable-master" --cachedir "~/.cache/darktable-master"