Apple released iOS 27 beta 4 today, giving developers the next preview update since iOS 27 debuted at WWDC. Developers can download the new beta now. iOS 27 is a major iPhone update centered around Siri AI, Apple Intelligence, Liquid Glass refinements, and a long list of quality-of-life changes.
Source: [9to5Mac](https://9to5mac.com/2026/07/20/heres-whats-new-with-ios-27-beta-4/)