This post was originally published here

BizTalk 2013 R2 is finally here and can be downloaded from MSDN Subscription.

What’s new in BizTalk Server 2013 R2:

  •  Windows Server 2012 R2, Windows Server 2012, Windows 8.1, Windows 7 SP1.
  • Microsoft Office Excel 2013 or 2010.
  • .NET Framework 4.5 and .NET Framework 4.5.1
  • Visual Studio 2013
  • SQL Server 2014 or SQL Server 2012 SP1
  • SharePoint 2013 SP1
  • WCF-WebHttp adapter now supports sending and receiving JSON messages.
  • SFTP adapter now supports two-factor authentication
  • HL7 Accelerator now supports the following:
    • Provides capability to include free-text data as part of the message that can be processed by the HL7 pipelines.
    • 64-bit support for hosting Hl7 adapter.

Good luck, and play around with it.. Again, you can download it through MSDN Subscription here