Proving once again that the beta really is a beta and not just an excuse to start selling items now, Hi-Rez has made some big changes to Tribes: Ascend. The latest patch completely overhauled the user interface and made some significant changes to the class system.
The changes are moving the game away from pre-built class-based loadouts to more customized loadouts. The total number of classes is was dropped from twelve to nine, but they added the ability for players to unlock new weapons for each class to further customize the loadout. Three of the classes are available from the start, giving new players immediate access to Light, Medium, and Heavy classes.
The full list of updates can be found here.