Linux Capable published a tutorial about installing Darktable on Ubuntu 22.04 LTS.
How to Install Darktable on Ubuntu 22.04 LTS
Learn how to install Darktable on Ubuntu 22.04 LTS Jammy Jellyfish Linux using the command line terminal with apt or flatpak.
How to Install Darktable on Ubuntu 22.04 LTS - LinuxCapable