This RC is a developer-only release (there is no go-live license), designed to get you read for the final release later this year. Use this release to update your SL5 beta code to work with the namespace and reference changes, and to use the new features.

This isn't the final release, so please go out and test it, and report any bugs you find


features included in this release are:

P/Invoke support for calling native functions
64 bit support (yay!)
Vector (Postscript) Printing
Remote Control and Media Command Support
DataContextChanged event
In-Browser Trusted Applications
PivotViewer Control
Power awareness for media apps (keep the PC alive while a movie is playing, for example)



http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27220


This download will install all components necessary for Silverlight 5 RC and Microsoft WCF RIA Services V1 SP2 Preview (April 2011) development:

Silverlight 5 Beta Developer Runtime
Silverlight 5 Beta SDK (software development kit)
Update for Visual Studio 2010 Service Pack 1 and Visual Web Developer Express 2010 Service Pack 1 (KB2502836)
Microsoft WCF RIA Services V1.0 SP2 Preview (April 2011)


I cant wait for the final release cos of the some of the new features like

1.Debugging Bindings with Xaml Breakpoints
2.Supporting Double and Even Triple Click for the Mouse (u just need to specify the no)
3.Advancements in Text