There's still chatter in the Google Group and GH Issues, and some GH PRs.
https://groups.google.com/g/minix3?pli=1
https://github.com/Stichting-MINIX-Research-Foundation/minix
This non-bug asks for a video on how to use OpenSSH:
* https://github.com/Stichting-MINIX-Research-Foundation/minix...
This one was fixed in 2017:
* https://github.com/Stichting-MINIX-Research-Foundation/minix...
This non-bug asks for where to start when learning:
* https://github.com/Stichting-MINIX-Research-Foundation/minix...
I've gone through quite a few of these at random, for this and another comment on this page, and this one is the first one that is even close to an outstanding bug, and it's only open because the pull request that fixed the problem back in 2020 hasn't been merged yet.
* https://github.com/Stichting-MINIX-Research-Foundation/minix...