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

Linux Dedicated Server

• Fixed srcds_run to work properly with the Counter-Strike: Source beta dedicated server when autoupdating.
  

Engine

• Fixed the startmovie command not using the codec dialog.
  

Team Fortress 2

• Fixed dropped weapons and ammo kits not being affected by explosions.
  
• Adding missing "+lookup" and "+lookdown" keybind options.
  
• Added SetCTFCaptureBonusTime tf_gamerules input to allow map authors to set the length of crit bonus time (in seconds) for CTF captures.