Good news, everyone! We're running Mastodon 2.6.1 now. The highlights include verified links in your profile, as well as an overhauled direct message UI: https://blog.joinmastodon.org/2018/10/mastodon-2.6-released/
We just upgraded this instance to the latest version of Mastodon.
One notable new feature comes in the form of fine-grained notifications preferences: https://kosmos.social/media/H82Ix4GI7e6kLmfdtLU