Videogamiing247 reports:
"The PS3 version of Infinity Ward's Call of Duty 4 patch has launched, according to this. As reported earlier, the update was nearing completion and was promised this week. Additions include:
* Optimized servers
* New Kill cams (grenades, RPG's, airstrikes, claymores, and more)
* Quick Mute (allows user to mute annoying players by pressing X on their user ID in the lobby)
* Addition of "Recently Met Players" for the PlayStation Network
* Improvements to the Sniper Rifles and Acog attachments (no more delayed shots)
Go fetch."