Due to backend api changes version 10.4.0.0 (and older) will be considered End of Life (EOL) as of January 1st 2020. You won't be able to update from these old builds, they might even break. You have been warned.
Improved how servers are created, migrated, cloned, deleted and updated
Updated documentation links (new docs)
Fixed migrating a BungeeCord server (showed missing server.properties message)