Since iOS 5 in 2011, the iPhone and iPad have included Notification Center, a central place to find alerts from various apps in chronological order. Starting with iOS 27, Apple is making a major change to how users open Notification Center on iPhone and iPad.
Source: [9to5Mac](https://9to5mac.com/2026/06/10/ios-27-just-broke-15-years-of-muscle-memory-on-iphone-and-ipad/)