The official announcement An important milestone in enterprise integration – launch of Microsoft BizTalk Server 2016 by Frank Weigel Principal Director, Program Management
Update: The BizTalk 2016 Azure VM is now available in the old Azure portal but not yet in the new portal the download files are avaiable on MSDN & My Visualstudio for Standard, Enterprise & Branch, and now also Developer Edition.
Also the What’s New in BizTalk Server 2016 has been updated, what is new has not changed substantially from previously, however what is interesting there is what they have removed or marked as deprecated.
Deprecated & Removed List
|SharePoint SSOM/Web Service adapter||Removed||Use the CSOM (Client Side Object Model) option.|
|SOAP adapter||Deprecated||WCF-BasicHttp Adapter|
|Old SQL adapter||Deprecated||WCF-based SQL adapter in the BizTalk Adapter Pack|