Google today officially released their latest version of the Android OS - 2.3, Gingerbread. It won't hit a phone (the Nexus S) until 12/16, but developers can start working with it today.
Some of the new features include:
- Enhancements for game development
- Rich multimedia
- New forms of communication
- Simplified debug builds
- Integrated ProGuard support
- HierarchyViewer improvements
- Preview of new UI Builder
See the complete details at http://developer.android.com/sdk/android-2.3.html