* iOS 3.2 support! (any iOS from 3.2 to 4.2)
* Revolutionary cross-platform play, using GameSpy! GameSpy supports Private Matches, Game Naming, Game Browsing, and an array of search filters.
* Familiars/Pets!
* Major stability & performance improvements, and new performance-tweaking User Options!
* New Missions for the ultimate Heroes
* Raised Max Item level to 15, and Max Hero Level to 70
* INSANE Difficulty is much, much harder (and so is HARD)... good luck!
* Rebalanced item drops to make super items harder to get
* Fixed some leveling & item farming exploits
* GameCenter support for private matches, and fixes for Inviting
* Better voice chat stability
* Various new item drop types
* Items now have a level requirement based on their quality, and also tell you which class is necessary to use them in the popup overlay
* Big performance boost due to media optimization, and some code optimization
* Various gameplay tweaks for a better balance
* New Tutorial video explains the game in a minute
* Rebalanced item value ramp so that super-items don't sell for ridiculous amounts
* Lots of minor bug fixes and game tweaks too numerous to list here... (among the many, Targeting Dummies now print DPS as you're attacking them :)