Redstone 1 or Windows 10 Anniversary Update is coming on August 2. But Microsoft insider team has already started working on next major update code name ‘Redstone 2’ for Windows 10.
— BuildFeed (@buildfeed) July 29, 2016
New leaked information shows that Windows 10 build 14894 and Mobile build 10.0.14894.1000 is under testing. The leaked build is compiled on July 27, 2016. The next Windows 10 update will focus on Windows 10 Mobile. Windows Insider Program members can expect first Redstone 2 build for PCs and Mobiles in August. Windows 10 next big update is releasing to public this fall or stating 2017.