Here are the changes on the new patch for 360 and PS3
* All rifle grenades fired during the first 15 seconds of Search & Destroy will be duds to prevent griefing in that game mode.
* Improvements have been made to the global spawn system – players should never spawn within the line of sight of an enemy.
* Players who equip the Bouncing Betty and melee teammates in Hardcore game modes are now credited with a team kill penalty.
* Players are now deducted 200 points for team killing the bomb planter/defuser in Hardcore Search & Destroy.
* Martyrdom no longer causes “direct impact” grenade deaths in Hardcore modes.
* Players ranked higher than the maximum allowed in the Boot Camp playlist are no longer able to play in games with lower ranked friends in that playlist.
* “Bayonet jumping” has been disabled.
* Further improvements have been made to geographical matchmaking.
* The “New” icon clears when a player has viewed an unlocked weapon (X360 only).
* Many zombies were raised from the dead.
Finally they fixed the spawn locations.
http://forums.xbox.com/26356417/ShowPost.aspx