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

Team Fortress 2

• Added a new command line option: -strictportbind
  
  • If you launch the game with this option it will quit with an error message if it can't bind to the default or specified port
    
• Fixed a server crash caused by the replay system
  
• Fixed a server crash caused by disguising spies
  
• Fixed a server crash on startup caused by writing to the console
  
• Fixed a server crash triggered during entity cleanup