Microsoft have now officially released BizTalk Server 2009 for general availability – the April 27, 2009 press release is available here.
To match the release there have been a few updates on the product page as mentioned by Richard Seroter. A couple of other important changes I’ve noticed are:
BizTalk Server 2009 RTM Installation and Upgrade Guides […]
BizTalk Server 2009 Officially Released and Installation Guides Updated