Tips on Unix published a tutorial showing you how to install darktable 4.0.0 on Ubuntu, OpenSUSE, Fedora, and AlmaLinux.
Install Darktable 4.0.0 On Ubuntu / OpenSUSE / Fedora & AlmaLinux
This tutorial will be useful for beginners to download and install darktable 4.0.0 on Ubuntu 20.4 LTS, Fedora 35, AlmaLinux 9, RockyLinux 8, and OpenSUSE.
Install Darktable 4.0.0 On Ubuntu / OpenSUSE / Fedora & AlmaLinux | Tips On UNIX