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:

• Announcing the Maps Workshop Beta!
  • Check out the blog post for more information
    
  • Added bsp_repack command to repack a BSP file with optimal compression
    
  • Maps uploaded to the workshop are automatically compressed
    
  • Added tf_workshop_refresh command to recheck tracked workshop maps and refresh subscriptions
    
  • Added tf_workshop_map_sync command to immediately install a map from the workshop by ID
    
  • Added sv_allow_point_servercommand to disable point_servercommand entities. Defaults to "official" Valve maps only. Can also be set to "disallow" and "always".