An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:

• Re-enabled all players to be able to use voice commands and party chat
• Added more detailed options for server visibility and privacy when creating a server
  • The "Use Steam Networking" checkbox has been replaced with a dropdown, allowing the creation of Local, Friends Only, Unlisted and Listed servers -- defaulting to Unlisted
  • Using map command by default will no longer create a join-able game
• Fixed a crash on exit under Linux