— Redesigned, interactive widgets. — Possibility of an Always On display for iPhones. — iMessage as a Social Networking app. — Accessibility features like Live Captions and Door Detection.
... and so much more!
We're hearing that iOS 16 will come with a tiny hardware prerequisite for an A10 chipset or later. If users with iPhone 6s and the original iPhone SE want the goodies that come with iOS 16, they might have to upgrade to a newer device.