Apple's iOS 11.3 may use iCloud as a single sign-on for websites
You may only need to remember your Apple ID.
iOS 11.3 will let iPhone X users approve family purchases with Face ID
It solves an irritating problem for parents using the Ask to Buy feature.
Apple's iOS update brings AirPlay 2 with multi-room playback
Stream to multiple devices for a full in-home audio experience.
iOS 11.3 will introduce new battery features and AR improvements
Developers can grab it now, but the final version will arrive in the spring.