New Features and Content:
Forge is now available!
Added a basic implementation of File Browser. Players can now bookmark and share custom maps and modes through Active Roster, by following (or become friends with) a player.
Over 30 new REQs including weapons, armor, emblems, and more have been added.
Battle of Noctus map added to Warzone.
Overgrowth map added to Arena.
Entombed and Antifreeze maps added to Big Team Battle.
Commendations and Service Record for Spartan Companies have been added, and can be tracked on Halo Channel and HaloWaypoint.com.
Social playlists have been added (Big Team Battle and Holiday Social).
Holiday Doubles playlist added (ranked).
Advanced controller setting options have been added, including constrols for aim acceleration as well as deadzone controls. These settings are automatically set to the previous defaults you've been playing on. Full details here.
Seasons for ranked playlists have been added; The January 2016 Season begins today.