There was recently a minor update that balanced a few things and fixed a few bugs. Most notably, Shield and Cloak pickups were removed from the Gatekeeper mode. Grizzly was added to a couple of loadouts, as well.
The full list of updates (1.04.003) can be found here.
best loadout of the game IMO. only walls turrets, bunkers, watchtowers, and pod launchers. SOOO fun to play in any mode.
For some reason I had forgotten all about the Arena loadout being new... yes... THAT is probably the most notable addition. Fun, fun, fun, especially for Glade CTF.