"Dr. Arne Babenhauserheide" writes: > + (propagated-inputs (list python-mutagen python-pycairo python-pygobject ffmpeg perl-image-exiftool bubblewrap gdk-pixbuf poppler librsvg)) My local ffmpeg is ffmpeg-5, but this dependency pulls in ffmpeg-4 — can I express "any version of ffmpeg"? Best wishes, Arne -- Unpolitisch sein heißt politisch sein, ohne es zu merken. draketo.de