RoboFont just got a lot better with small and big improvements, new features and some minor bug fixes :)
Have a look at the version history for the full list of changes and additions.
You should get an automatic update, if not you should redownload the app.
This will be the last update supporting OSX 10.6 - 10.8, the download will be available for older OS's but your next state of the art font editor will only run on 10.9+.
The automatic update supports only 10.9+, if you are on an older os please visit the download page and manually update to RoboFont 1.6.
I would like to thank all the beta testers and all users posting on the forums for their precious feedback and feature requests.