Microsoft has released RC0 developer preparation release. This release is for preparing current Silverlight 2 projects to RTW which will be released later this year. The release files (Visual Studio Tools, Blend, etc.) could be downloaded from here . One important note: This release should not be used for launching Silverlight 2 applications for the general public, so if you have publicly available Silverlight application you should wait for RTW . Most detailed information of new features, breaking...