Quote Originally Posted by Nalien View Post
Source?

We should be getting at least one, since the system worked off your level; Every 10 levels Jobs would unlock a new slot (every 5 levels for Classes). No real reason that should change for 60.
It was in one of the live letter translations and honestly I don't remember which one. I'll check on Bluegartr forums when I get a chance and see if I can find a link.