Microsoft Announced New Features for Windows Azure During TechEd 2010
Microsoft announced Windows Azure Tools for Visual Studio 1.2 (June 2010) at TechEd 2010. Some of the most important features are: .NET 4 support, support for Visual Studio 2010 RTM, and IntelliTrace debugging. Microsoft also announced a billing plan for Azure CDN, and new options for SQL Azure.
Windows Azure Tools for Visual Studio
The Windows Azure Tools for Visual Studio enable developers to create, build, debug, run and deploy web applications and services from Visual Studio on Windows Azure. The latest package supports both Visual Studio 2008 and VS 2010 RTM. Also, developers can write applications for the cloud running on .NET 4.0 in addition to .NET 3.5 which was previously supported.
Reference: http://www.infoq.com/news/2010/06/Azure-June-2010