Yesterday WCF RIA Services V1.0 SP1 Beta along with WCF RIA Services October toolkit were released.
Notable updates, read the details on the blog post below:

  • Improved Business Application Template
  • Support for Complex Objects
  • Shared Entities across multiple DomainServices
  • Localization in 10 languages including French (no Dutch though)
  • With WCF RIA Services Toolkit: Domain service support for Windows Azure Table Storage, T4 template client code generation

You can download the new release at http://silverlight.net/riaservices. Make sure you follow the instructions as outlined by Deepesh.

Link: http://blogs.msdn.com/b/deepm/archive/2010/10/27/ria-services-v1-0-sp1-beta-released.aspx