When using Steam -> View -> Game Servers, you used to be able to add any servers at any time. Now it checks if the servers are available right now, and if not - refuses to add it. This change is bad.

You can no longer add servers when you are informed about the IP and port, you need to write it down elsewhere, and then add them when the server is up. This causes a long list of issues, fx losing the information and need to re-contact and re-annoy people that knows it.

Fx when you set up a set of servers, but cycle through them and don't have them all running at all times. Before this change, you could send 1 e-mail to the players, and the first game night a player was present - they added ALL the servers, and setting up become done! For the group (outside of reinstalls of Steam). People who knew what an IP and port is, could before game nights (while the server is still down), help the IT illiterates get set up, and prevent them from pissing off the entire group - again.
Now, you always have someone who wasn't there last time that particular server was used, and you therefore always have to start every game night with someone setting up, and wasting everyone else's time.