KB1200 has been released. It includes the initial set of new features and fixes.
Features include: K2 Workflow Client Services (WCF and ASMX end points), Inline functions for Excel services, K2 SharePoint SQL SmartObject to generate SmartObjects from SQL Tables, Stored Procedures and Views within SharePoint.
There is a Limitation with inline functions feature: does not work with SSL.
You can get more info on the update from here including download info.