Patches can be applied by launching the game through the built-in updater or by opening Steam if you happen to own a Steam copy. Servers should be updating currently and the entire patching process should take around 24 hours for all servers to be current.

The patch also adds support for the 'Hot Zone' paid DLC and 'Clean Sweep' free DLC, which will be released tomorrow for all three versions of the game.

Patch notes are as follows.

Single Player
• Fixed the CAS issue that prevented some players from firing at certain vehicles.
• Fixed a rare issue in Bagram that would cause areas of the map not to load in a timely fashion.

Server
• Lowered scores on all defensive support actions
• Changed spawn points on Shah-i-Khot Mountains, Combat Mission
• Changed spawn points on Kandahar Marketplace, Sector Control
• Changed spawn points on Kandahar Marketplace, Team Assault
• Changed spawn points on Diwagal Camp, Sector Control
• Changed spawn points on Kunar Base, Sector Control
• Changed spawn points on Kabul City Ruins, Sector Control
• Changed spawn points on Kabul City Ruins, Team Assault
• Changed spawn points on Garmzir Town, Sector Control
• Changed spawn points on Garmzir Town, Team Assault
• Tweaked damage on M16 and M24
• Tweaked damage on M4

Client
• Added Hot Zone and Clean Sweep (added the levels/UI changes in server browser etc)
• Server browser makes snapshot instead of subscribing to servers
• Fixed hang when joining on a friend that's playing on a password protected server
• Ribbons and medals no longer appear on unranked servers
• Added aiming spot in binoculars in hardcore mode
• Added text chatting while dead and in end of round
• Increased the points needed to win a domination/tdm game
• Decreased accuracy while shooting from the hip
• Increased the amount of recoil and spread
• Added server details in loading screens and spawn screen
• Fixed an issue where holding your breath and moving forward would take you out of scope