STEAM CLIENT CHANGES / ADDITIONS:

• Steam will now generate a receipt when you purchase a product, instead of sending it via e-mail
• Removed email verification
• All Steam error messages are now localized
• Improved offline behavior if no SteamUI.dll or Steam.dll present
• Improved content server responsiveness
• Disabled background preloaders when any game is running
• Preloader checks to see if an item will fit in the cache (improves going offline)
• Improved behavior of content "tickets" (thrown out if system clock more than 4 weeks off)
• Improved loading progress bar time calculation
• Improved startup speed of Steam
• Improved responsiveness of user cancel
• Changed legal characters in new account names to only be 'a'-'z', 'A'-'Z', '0'-'9', and '_'
  
  HLDS UPDATE TOOL CHANGES / ADDITIONS:
  
• Added "-retry" flag -- auto-retry to get content every 30 seconds