Apple is bringing one of streaming’s trendiest features to iPhone users with the debut of SharePlay in iOS 15 later this year, allowing FaceTime users to stream music, online videos, and movies together with friends. The move positions FaceTime to compete more directly with platforms like Facebook Messenger, Instagram, and Houseparty, which all offer ways to video chat while watching things as a group. It offers Apple a chance to hook a new generation of users on FaceTime — but the service is still missing some key integrations to make that happen, particularly for the teens most likely to use it.
SharePlay, announced earlier this week and likely arriving in the fall, will allow FaceTime users to share and stream media in real time from...