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
* MP Audio stuttering on certain systems.
* Playercards sometimes not showing properly.
* Added three Private Match Server Settings: Team Change, Team-Up Period, and Keep Balanced Teams.
* Added Alternate Color Scheme for accessibility: Settings / Multiplayer / Player Name Indicator.
* Changed Team-Up Period countdown interval to 10 seconds.
* Combat Training sessions are no longer counted in Server Browser Unranked tab.
* Friends on your team will now show as blue on your minimap.
* Prevention of various exploits.
* Objective markers localized for all languages.
* Various stability improvements

Call of Duty: Black Ops Rcon Tool
* Recognize new 'invalid password' server response