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

Engine

• Made several changes that improve stability for clients running low on addressable memory.
  
• Changed all HTML controls to use Webkit for the rendering engine.
  

Team Fortress 2

• Added Mac support.
  
• Overhauled the main menu, and added help to Loadout, Backpack, and Crafting screens.
  
• Added Training, with support for General gameplay & Soldier class training for now.
  
• Added Offline Practice mode, with support for KOTH maps and Dustbowl.
  
• The "Open Character Loadout" key will now go to your future class if you’ve requested a class change, but haven’t respawned yet.
  
• Added community submitted gameplay tips
  
• Community Requests:
  
  • Added "mp_forceautoteam", a server convar that forces all joining players to autoteam.
    
  • Added "mp_stalemate_meleeonly", a server convar that allows melee weapons only during stalemates.
    
  • Added "ExtinguishPlayer" input to tf_player for map makers.
    

Counter-Strike: Source Beta

• Fixed "wade" water sound not playing correctly on maps like Chateau.
  
• Updated the scoreboard:
  
  • Fixed to scale correctly in 5:4 resolution.
    
  • Fixed so it can be closed during intermission
    
  • Reduced font size to accommodate seeing 16 players per side.
    
• Fixed issue that awarded three points and a separate achievement when the bomb explodes after the round ends.
  
• Fixed issue with round end panel blocking the view of the game.
  
• Fixed issue in which you weren’t given credit for grenade damage if you fired a weapon at someone then hit them with a grenade.
  
• Fixed getting the achievement for shooting enemies in mid-air if the enemies were on ladders.
  
• Fixed mapcycle.txt skipping over several entries in the list.
  
• Fixed console warnings about missing materials.
  
• Fixed an issue that could cause a single MVP star to appear as an entry on the scoreboard.
  
• Fixed issue that made the FINISHER achievement impossible to get.
  
• Fixed ai_test_los crashing the server.
  
• Fixed the chat window so it no longer renders over scoreboard.
  
• Fixed MVPs not being cleared when sv_nomvp is set to 1.
  
• Marked mat_showlowresimage as a cheat command.
  
• Updated several strings to be gender neutral.
  
• The large radar is now disabled when freeze cam is active.
  
• Achievements dialog changes:
  
  • Now displaying the Steam Achievements dialog instead of the in-game Achievements dialog if screen width is less than 1024.
    
  • The Achievements dialog is now closed if you have it open and switch to a lower resolution.
    
• Repositioned the Fun Fact on the summary tab of the Achievements dialog and gave it a background to fix truncation and readability.
  
• Added a priority order for displaying win conditions when multiple win conditions are set.
  
  • If timelimit exists and is not 0, then show timelimit.
    
  • If timelimit does not exist, show maxrounds if not 0.
    
  • If both timelimit and maxrounds are 0, show winlimit.
    
  • If timelimit, maxrounds, and winlimit are all 0, show nothing.