Those are packages with systemd dependency that are prevented from installing.  Those systemd-dependent packages that are essential for Devuan are forked by Devuan devs.  Devuan-specific as well as forked packages are found here.

If there is a package on that list that you want, you are welcome to  contribute to Devuan by forking it.

@HoaS . . . exactly my point. 

pkgmaster.devuan.org is the source from which all other mirrors are synced. Individual users pulling from it can disrupt the syncing and cause delays elsewhere in the pool.

I don't know the details. I am only the messenger. Thanks for the thought though.

Ubuntu and Devuan repos are not compatible.

See: https://www.devuan.org/os/packages

I believe that relates to accessibility features for the visually impaired.  If I weren't so lazy, I would actually read the Release Notes to confirm.

Someone on the team is attempting to port it to python3.  Keep your fingers crossed.

I think you might be able to do it here: /etc/grub.d/

Or you could switch it out here /usr/share/desktop-base . . . that's where I put them to test the default desktop theme when I'm working on it.

Just curious why not beowulf 3.1.1.  Of course with a full upgrade you would eventually get there.

Ceres = sid = unstable

That is territory into which I do not venture.  Have you checked Chimaera backports?

(edit) Have you seen this page?

Indeed.  Occasionally I mess with Swell Foop though.  Good for visual spatial acuity.

Perhaps this from the Release Notes?

Spinning rust ftw . . .