The MS CRM Team have released an updated CRM 2011 SDK version 5.0.9 which can be downloaded here http://www.microsoft.com/download/en/details.aspx?id=24004 or viewed on MSDN here http://msdn.microsoft.com/en-us/library/gg309408.aspx Check out the release notes here http://msdn.microsoft.com/en-us/library/hh547453.aspx#bkmk_ReleaseHistory
In Summary the update contains
- Updated assemblies for Microsoft Dynamics CRM 2011 Update Rollup 6 and the Microsoft Portal developer toolkit and developer extensions.
- Information about creating localized dialog processes.
- New samples that authenticate the user with the web services without using the helper code