iOS 14 was a major release for the platform, adding things like widgets, the App Library, updates to Messages, a redesigned Siri, and so much more. It was lauded as a key feature update so it would only be natural for iOS 15 to be a smaller update focused on refinements. While brainstorming what made the most sense for an iOS 15 concept, I had to weed out lots of ideas.
Link: Concept: 50+ ways Apple could refine the iPhone experience with iOS 15
via 9to5mac.com