For general feedback about the game.

Visit the support site for any issues you may be having with the game or Steam.

May 18, 2011 - Valve

Updates to Team Fortress 2, Counter-Strike: Source, Day of Defeat: Source and Half-Life 2: Deathmatch have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: Important notes

• If you were previously crashing on startup, please have Steam verify the integrity of your game cache
  • Update your game to the most current version
  • Right-click on the game and select "Properties"
  • Click on the "Local Files" tab
  • Click on the "Verify Integrity of Game Cache" button
• If you were previously crashing when connecting to a server, please run once with "-autoconfig" to reset your graphics state
  • Update your game to the most current version
  • Right-click on the game and select "Properties"
  • Click on the "General" tab
  • Click on the "Set Launch Options..." button
  • Add "-autoconfig" to the launch options and click OK
  • Restart your game
  • After doing this, you should remove -autoconfig from your launch options

• Fixed several client crashes on game startup, shutdown, and replay interaction
• Updated the materials used on models to ignore the $ignorez flag, to make it harder to create wallhacks on sv_pure 0 servers

• Added an Advanced Options button to the main menu to allow tweaking of many gameplay options
• Fixed server crashes related to replays and new items
• Added "per_class_loadout_slots" and "attribute_controlled_attached_particles" sections to the GetSchema WebAPI call