Updates to Team Fortress 2, 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:


Source Engine Changes (TF2, DoD:S, HL2M)

• Fixed a bug that was causing intermittent lag spikes for Linux dedicated servers
  
• Fixed a crash while command-tabing on Mac in fullscreen
  
• Fixed not running on Mac OSX 10.5.8
  

Team Fortress 2

• MERASMUS! has leveled up at WizardCon!
  • "The Skull Island Topper" now tracks the highest level of Merasmus the owner has helped defeat
    
  • Increased Engineer, Scout, Pyro and Heavy damage against Merasmus
    
  • Increased Soldier and Demoman damage against Merasmus while he is in hiding
• Saxxy Awards submissions are now being accepted for the Replay category via the in-game YouTube™ uploader
  
• Fixed the Heavy not playing the correct audio when equipping all of the Grand Duchess items
  
• Fixed the Grand Duchess items not being groupped as an item set
  
• Fixed a bug that allowed spells to be applied to base items
  
• Added zombie character images and a new Halloween background for the main menu
  
• Beta version of new item import tool, available in game in the Steam Workshop submission process
  
• Fixed Mann vs. Machine robots not taunting when they level up while carrying the bomb
  
• Updated the health bar for Merasmus and Monoculus
  
• Added more credits to Caliginous Caper, Wave 666