New features in this version of Windows 10 include:[1] The first preview was released on August 18, 2015.
[3] Slow ring:October 16, 2015 In this build BitLocker adds support for XTS-AES encryption algorithm.
[12] In the Settings app, under Privacy, Call History and Email are now included.
This update enables UWP apps and games to unlock frame rate.
This will allow UWP games to disable V-sync and enable the use of third-party features such as Nvidia G-Sync and FreeSync.