Peter Selch Dahl

Microsoft is working on issuing future update releases for its Forefront Threat Management Gateway (TMG) and Unified Access Gateway (UAG) products, mostly to help with publishing Exchange 2013.

http://blogs.technet.com/b/exchange/archive/2012/11/21/publishing-exchange-server-2013-using-tmg.aspx

http://redmondmag.com/articles/2012/11/26/microsoft-planning-tmg-and-uag-updates.aspx