The Windows 10 Creators Update (a.k.a. Version 1703) is now available along with a new Windows 10 SDK release. The Windows 10 Creators Update SDK (10.0.15063) can be installed via VS 2017 (15.1) or as a standalone installer. This includes DirectXMath 3.10 and updated versions of Direct3D 12, DXGI 1.6, Direct3D 11.4 Direct2D, and DirectWrite. See What's New in Windows 10 for developers, build 15063.
Visual Studio 2017 (15.1/15.2 Updates)
You can install the new Windows 10 SDK by installing the latest VS 2017 update (15.1, 15.2, or later). The new Windows 10 SDK (15063) is actually three distinct components:
The Windows 10 Creators Update SDK resolves a number of conformance errors in Windows system headers enabling the use of the
VS 2015 Users: The Windows 10 SDK (15063) is officially only supported for VS 2017.
FXC: With the Windows 10 SDK (15063), the FXC compiler and the
D3DCompiler_47.DLL were made side-by-side. From the Developer Command Prompt for VS 2017, using FXC will use the Windows 10 Anniversary Update (14393) version. You need to explicitly select the side-by-side version if you want to use a newer one from the command-line: