A new Xbox 360 title update for Call of Duty: Black Ops has been deployed to fix issues with the multi-player portion of the game and add support for the upcoming "Escalation Map Pack" which is due May 3rd.

Call of Duty: Black Ops - Title Update 8 (4/28/11)

• Support for Escalation Map Pack (Releasing 5/3/11)
  
• Security Updates.
  
• Addition of banner-style Message of the Day on the MP Main Menu.
  
• Addition of Hardcore FFA and TDM for Combat Training.
  
• Additional sniper rifle tuning changes.
  
• Addition of “Competition” Barebones playlist.
  
• Replaced RPG with Grim Reaper in Gun Game Wager Match.
  
• Prevent automatic weapons from jamming if the player is feathering the fire button on “Default Alt”, “Tactical Flipped” or “Nom4d Flipped”.
  
• Fine-tuned napalm and bombing-run damage indoors.
  
• Prevented rare invulnerability issue.
  
• Additional game mode timer options for Custom Games.
  
• Fixed a minor out of map exploit in Grid.
  
• General Killcam and death-cam improvements.
  
• Improved Auto-Assign reliability in Private Match.
  
• Addressed an infinite “joining session in progress” screen under very specific timing conditions.
  
• Demolition bombs can no longer explode and be defused at the same time.
  
• Spy play now activates in One in the Chamber in all cases.
  
• The “Sprint Kills” challenge for Steady Aim perk now rewards the player with the correct number of kills.
  
• Contracts purchased but not yet expired no longer count as expired when viewing a friend’s player card.
  
• Addressed a rare issue where a hacked camera spike would not function properly if the hacker also had a camera spike that was destroyed.
  
• Recording a clip with the speed mode for 2 cameras set to .1 will no longer increase in speed when switching perspectives back and forth.
  
• Improvements to Zipline functionality when viewed in Theater mode.
  
• Settings from custom games are all cleared and no longer carry over from one custom match to another.
  
• Improvements to map voting reliability in lobbies.
  
• Nova gas will now affect players that are standing over their tactical insertion.
  
• Hardcore players who kill another teammate in Second Chance now lose the proper amount of points.
  
• Players can no longer transfer emblems/backgrounds from Combat Training to Player Match.
  
• Player is no longer able to use a primary weapon in Second Chance (rare, specific instance).
  
• Improvements to “Community” filters.