The new version of Windows 10 has been released. Since the build was completed during the month of July it has been named 1607 and has a build version number of 14393. The new version can be deployed using the current version of MDT but needs an upgraded ADK to fully work. The new ADK can be downloaded from here http://download.microsoft.com/download/9/A/E/9AE69DD5-BA93-44E0-864E-180F5E700AB4/adk/adksetup.exe
Don’t forget to rebuild your reference images to include C++ runtimes and other needed application frameworks for your organization.
If you want to know more about what’s new in ADK check you Johan Arwidmarks blog about that here http://deploymentresearch.com/Research/Post/539/Inside-Windows-ADK-10-v1607
I have not found any new releases of the ADMX templates but the current ones can be used from and installed OS with 1607. You will find them under C:\Windows\PolicyDefinitions.