Finally, the service pack 3 for ForeFront UAG is now available for download at http://www.microsoft.com/en-us/download/details.aspx?id=36788
As usual, you must have deployed the previous SP available;in this case, the Service Pack 2.
As part of this update, you will have:
- Windows 8 support
- Support for the built-in Mail app to connect to Exchange server
- Remote desktop connection support
- Windows Phone 8
- Publication rules for Exchange 2013 and SharePoint 2013; note there is no rule for Lync 2013
More details about the update http://support.microsoft.com/kb/2744025/en-us