Hot Fix Updates (Released):
No Recoil glitch
Infinite Laptop killstreak glitch (Stealth Bomber Glitch)
Map Exploits (Getting into trucks, under maps) Fix
Prevent Slow-mo and Super Fast lobbies

Hot Fix Updates (Releasing Today 12/12/11):
Fire rate normalization for Assault Rifles with undermounts
FMG9 Re-balancing (Nerf)
Akimbo FMG9 Re-balancing (Nerf)
Type95 Re-balancing (Nerf) - Reduce hipspread.
Fix for ACR with Red Dot / Shotgun
Fix Type 95 bug related to dropping it.
Fix map exploits on Dome

Re-balancing and Updates currently in Development and/or Discussion:

Updates to the Spawn system
Further 'lag compensation' or 'host advantage / disadvantage' updates plus ability for on-going hot fixes based on feedback.
Fix for Shotgun's with Extended Mags (Prevents them from shooting more pellets than intended)
Default :30 Round Start timer for System Link only, while looking into adjustable timer for System Link games for Competitive Play.
Options to allow System Link players to 'unlock all' for competitive play in System Link only.