If you find yourself at just about any major university and see the overwhelming number of Mac laptops, you can see how vitally important the Asahi Linux project is to the future of free desktop software https://asahilinux.org/
I installed Distrobox on my Debian 11 system by downloading the latest release and running the install script. Then I used apt to add podman, and now I'm ready to run containers in Debian. https://github.com/89luca89/distrobox/releases/tag/1.4.2.1
Ubuntu removes Flatpak by default from Kubuntu and other flavors https://discourse.ubuntu.com/t/ubuntu-flavor-packaging-defaults/34061/8