The update includes Steamworks features such as player avatars in the scoreboard when playing Counter-Strike and Condition Zero.
Bug Fixes

* Removed the need to manually re-login and re-authenticate to Steam while in game
* Fixed a crash on startup when running windowed with a non-standard desktop resolution
* Removed the display of saytext (in-game chat text) from players whom you've blocked in Steam friends
* Locked down several engine cvars to prevent malicious script exploits
* Enforced file consistency on several sprites in Counter-Strike
* Removed "ex_extrapmax" cvar (no longer needed) Server
* Added "-noaff" command-line option to disable setting of thread affinity
* Added "bannedcfg" cvar so admins can choose which file is written to by the "writeid" command