i read the list of fixes that came with the dlc2
:) gimped striker
:) gimped all sorts of akimbos
:( gimped type95
:) fixed the matchmaking algorithms to work better
:) fixed errors where invites and join-ons were sometimes broken
:) fixed a few lag issues with loading times and actions
:):):) fixed like 50 glitches and exploits in maps, guns, and perks people were cheating with
:):):) disallows all/many public game matches from placing in hacked up dedicated servers
:):):) disallows a public match host from using software to alter the game or his own abilities
and like million other things i dont care about, or lists of fixes for xbox and ps3 only