Apple release iOS 12 today as a free update. The new version of Apple's mobile OS includes better AR support, automation via Siri, and performance optimizations. The update largely feels like Apple playing catch up with Android, which has offered some of the new features for years.
https://www.notebookcheck.net/iOS-12-is-here-bringing-performance-improvements-AR-features-Siri-Shortcuts-and-more.332716.0.html