Epic Games gives developers a taste of ARKit ahead of iOS 11
 

ARKit on iOS may blow up perhaps sooner than expected. That's because Epic Games have added experimental support for it to the latest version of Unreal Engine. The idea is to give developers an early look at the features before iOS 11 goes live later...

https://www.engadget.com/2017/08/08/...-arkit-ios-11/