Agreed, I almost mentioned documentation but I forgot... My use-cases are ridiculously simple, and it's definitely gotten way better in the last year, but just figuring out the syntax for putting my e-mail address in the config file and how to start the server without it asking me questions on stdin required some trial and error. Nothing major, but there just wasn't much on Google at the time.

Docs have gotten way better since. As has the install story. Before it was some scripted thing that I was never quite confident in, now it's a deb package that I feel confident in running updates and Ansible against. And honestly I have not had any problems since installing it.