Microsoft ending support for UAG
UAG was one of the few Forefront products that survived when Microsoft discontinued its Threat Management Gateway (TMG) and several other products. UAG continued to be available, but that will end in July 2014, when you'll no longer be able to buy the product. Existing customers will still mainstream support through mid-April 2015 and extended support through mid-April 2020.
Here's the announcement on the TechNet Server & Cloud Blog: