Microsoft has updated the BizTalk Product Roadmap with features we will see in 2006R2 to be released in October. Additionally, they provide insight into later releases with particular attention paid to enabling BizTalk to truly lead as the central hub of SOA in the enterprise space.
Additionally, registration is now open on the MS SOA and Business Practices Conference 2007 web site. 2006 R2 is rumored to be scheduled for release at this conference.
I am just impressed that they are able to produce a roadmap at all :).
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