Microsoft has released XNA Game Studio 3.1, C# based cross-platform gaming library for the Windows, Xbox 360 and Zune platforms. The new release adds several new features over the prrevious 3.0 version including Avatar Support, Xbox LIVE Party Support, Video Playback, Content Pipeline and Audio Enhancements.
Microsoft has also renamed the Xbox LIVE Community Games which hosts selected peer reviewed XNA Game Studio games to Xbox LIVE Indie Games. (via Ars Technica)