Updates to Counter-Strike: Source and the Source Engine, along with some improvements to SourceTV have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Counter-Strike: Source

• Added zoom/scope to first person view in SourceTV
  
• Fixed exploit to access full map overview while alive
  
• Fixed exploit to bypass mp_forcecamera 1 restrictions

Source Engine

• Fixed clock synchronization while recording a demo

SourceTV

• Added number of spectators and broadcast title in spectator GUI
  
• Added chat groups for SourceTV spectators