https://www.techradar.com/news/what-is-arkit-2-heres-what-you-need-to-know-about-apples-latest-ar-update

Apple's big WWDC 2018 keynote introduced iOS 12 to the world, and one of the key new features of the updated mobile operating system is ARKit 2.

ARKit 2 is the newest version of ARKit, the framework Apple announced at last year's WWDC that allows developers to create augmented reality (AR) apps and games for the iPhone and iPad.