Support for multiple Google and Exchange accounts Third-party "sync adapters" allow apps to tie in to the phone's sync services Quick contact menus for fast access to specific key pieces of contact information Unified email inbox (yes!) SMS and MMS search Text message auto-delete after a user-defined thread size is reached Significantly improved camera controls with white balance, macro, effects, and more Improved keyboard layout, dictionary, and algorithm based on multi-touch support Double-tap zoom in browser, support for HTML5 Bluetooth 2.1 support with addition of OPP and PBAP profiles "Better" graphics hardware acceleration
Source: Engadget