Windows phone 7 code name Mango in said to be WP7 version 7.1.
There’s about 500 new features but without saying more, here’s the list of most important new features:
- Internet Explorer 9 + Hardware Acceleration + Local Scout feature, to determined user's location
- Enhanced Bing experience
- Quick Cards
- Facebook Chat and Windows Live chat and integration in the social hub
- Hands Free messaging
- Better Live Tiles
We’re expected to see these in action in the fall.