Its a Big announcement from Microsoft yesterday .
Microsoft has released the Windows Phone Mango OS beta to the Developers .
If you are AppHub member with a developer unlocked Windows Phone device , then you can upgrade to the Mango OS Beta . ( not supported in few countries ) . Check Windows Phone Developer Blog to know more .
Microsoft has also released the Windows Phone 7.1 Beta 2 SDKwhich includes some new features and breaking changes .
The Windows Phone 7.1 Beta 2 SDK includes the following
- Windows Phone SDK 7.1 (Beta2)
- Windows Phone Emulator (Beta2)
- Windows Phone SDK 7.1 Assemblies (Beta2)
- Silverlight 4 SDK and DRT
- Windows Phone SDK 7.1 Extensions for XNA Game Studio 4.0
- Microsoft Expression Blend SDK Preview for Windows Phone 7.1
- WCF Data Services Client for Window Phone 7.1
- Microsoft Advertising SDK for Windows Phone 7
Incase you have the Windows Phone Developer Tools 7.1 Beta installed , please uninstall it before installing the Beta 2 .