I have installed the version 1.5.5 on LM 19.3, over AppImage, seems to be less resources hungry. -- https://sourceforge.net/projects/scribus/files/scribus-devel/1.5.5/ -- The file: scribus-1.5.5-linux-x86_64.AppImage -- See also: https://appimage.org OR https://www.youtube.com/watch?v=nzZ6Ikc7juw
A really great tool for creating PDFs - zines, flyers, books and more. Easy to learn, but powerful. Flatpak works fine.