The Silverlight 4 Release Candidate is now available for download. Beside all the great new features that were added, it's now finally possible to use the Visual Studio 2010 RC for Silverlight 4 development. Oh, and the final Silverlight 4 version will be available next month (April 2010)!
The blog post contains a summary of all the new features that were added since the Silverlight 4 Beta to the Silverlight 4 RC and the breaking changes that naturally come along with betas. Plus some details about the CaptureSource's new capture usage pattern.