New black ops update: Updates to Call of Duty: Black Ops have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Call of Duty: Black Ops
Corrected several issues related to Mod Tools file downloading
Ninja Pro Perk no longer makes sounds when mantling or diving to prone
Theater screenshots, films, clips and custom games now display player ratings
Addressed pathing issues in Call of the Dead
Addressed various exploits in MP and Zombies