Updates to Counter-Strike: Source and Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Source Engine Changes (CS:S, DoD:S, TF2)

• Fixed a case where servers would lock-up while writing .dmp files
  

Counter-Strike: Source

• Fixed some minor smoke grenade bugs
  

Team Fortress 2

• Fixed a bug in the Steamworks internal stats reporting