Microsoft is working on a Service Pack 3 for UAG. It’s expected to be out in the first quarter of 2013 and it should address the following products:
•Windows 8 with Internet Explorer 10 clients, including DirectAccess
•Office 2013 clients (e.g. Outlook, Word, Excel, PowerPoint)
•Publishing Exchange 2013
•Publishing SharePoint 2013
•RDP 8.0 client for Windows 7 SP1 (KB 2592687)
The blog post is below.