They have been involved in defining the CMIS specification from the beginning, announced their support for the proposed standard over and over and said it would be available within SharePoint when SharePoint 2010 went RTM. And they have held to their word. At the AIIM conference yesterday Microsoft announced the CMIS Connector for SharePoint.
What's This CMIS Again?
So we probably really don't need to go here again but CMIS stands for Content Management Interoperability Specification. It is an "interoperability specification for interacting with document-centric content repositories via HTTP-based protocols." Lots of background if you are interested, or just a good overview of it and other content management standards in WCM Field Notes: The Skinny on JCR, CMIS and OSGi.
Coming to a SharePoint Admin Toolkit Near You
That's right, Microsoft General Manager Eric Swift announced at AIIM yesterday that the CMIS Connector for SharePoint will arrive in late June as part of the SharePoint Administrator Toolkit.
According to Swift the connector will provide an interface over the top of SharePoint as well as a CMIS Consumer Web Part that will display the content from a CMIS connected repository.
Unfortunately that's about all we know right now. Hopefully we'll get more details long before June arrives. Here's how it was done without the toolkit: How To: Connecting SharePoint (MOSS) to a CMIS Repository, maybe the connector will be similar.
CMIS Nearing End of Public Voting
CMIS is a proposed standard with the OASIS group. It entered the Public Voting period late last year. April 30th is the final day for public voting on the specification and it's highly unlikely that we will hear anything other than "it's an official standard". But you never really know for sure.