Dude ... yes.
Do they happen to have instructions on how they built them? I can't seem to find their dockerfile.

How they do it wouldn't work for us anyway, since they rely on X11 and having the host have Xephyr working.

https://github.com/KDE/docker-neon/blob/Neon/stable/Dockerfile

This apparently already works with Kinoite/Silverblue containers: https://discussion.fedoraproject.org/t/booting-silverblue-kinoite-using-podman-docker/44457

Randomly talking with @apol , he showed me something pretty cool and maybe relate to this ticket: https://distrobox.privatedns.org/posts/run_latest_gnome_kde_on_distrobox.html

Updated link: https://distrobox.it/posts/run_latest_gnome_kde_on_distrobox/

One other thing I would like to see beside @ngompa constraints list is working krdp to enable headless deployment of such containers and remote connection.

Shouldn't this be possible to generate with the new kiwi descriptions you made @ngompa ?

The challenge isn't making the containers, it's getting a nested Plasma Desktop session to work properly. I've been working on this for a couple of deliverables, including this one.