I've been running Emby for around 8 years now and have been extremely happy with it. Development isn't exactly lightning quick, but the developers do listen to their community and eventually work in their popular requests.
That was very different from Plex, where I had started.
And yes, there's a pretty significant revamp to the login system across all apps comming with server version 4.8.
This covers part of it: https://emby.media/community/index.php?/topic/121668-48047-multiple-logins-supported/