In Dev10 Beta 1, which was just released, there isn’t any way to enable the Transparent Platform Extensions (aka Assembly Caching) or Out of Browser features for Silverlight 3 Beta. To enable these manually is pretty straight forward. However, you should...

In Dev10 Beta 1, the Silverlight-enabled WCF Service template is the version used for Silverlight 3 beta.  This uses a custom binding to enable binary encoding, and is incompatible with Silverlight 2 applications.  If you attempt to add a reference...