Microsoft has released Silverlight 3, the latest version of their rich media application platform which rivals Adobe Flash. In addition, a release candidate of Expression Blend 3, the Silverlight development tooling, has also been released with a promise of the full Expression 3 family of Web development products shipping within 30 days.
You can hit the websites for Silverlight or the Expression family or the combination for much more detail, but Microsoft’s Scott Guthrie offers a succinct summary of what is new. My choices for the high points:
Silverlight 3 enables applications to run outside the browser and taken offline. Users can safely install web applications on their computers, and create persistent shortcuts to them on the desktop, start menu and taskbar (this is supported on both Windows and the Mac).
Silverlight 3 now supports hardware graphics acceleration and HD video. IIS Media Services is a free server product that complements Silverlight and provides the ability to efficiently stream media over HTTP. It enables both on-demand and live HD video to be delivered using “smooth streaming” – which is an adaptive streaming algorithm that can deliver video at bitrates optimized for a client’s network conditions and CPU capabilities.
Free download that enables Silverlight 3 development support for VS 2008 and the free Visual Web Developer 2008 Express.
The latter has the potential to really explode Silverlight adoption by placing the bar to entry very low. On the other hand, I found the IIS Media Services demo to be anything but smooth streaming.
Finally, per Scott Guthrie, "Expression Studio 3 will be included as part of the MSDN Premium and higher subscriptions (meaning MSDN Premium customers don’t have to pay anything extra to get all of the Expression Studio products). " This apparently ends the furor over whether developers with MSDN subscriptions should get access to "designer" tools as part of the subscription.