Kosmos Team is a user on kosmos.social. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
Kosmos Team @kosmos

Aaand we're on 1.6.0, everyone! It's a fantastic release, including a new federation standard and lots of improvements:

Check out medium.com/@Gargron/mastodon-a for the highlights, and github.com/tootsuite/mastodon/ for the full changelog.