Overview
- Apple updated developer guidance and shipped Xcode 27 features at WWDC that let simulators and Previews render many screen sizes and aspect ratios to test app layouts.
- Xcode 27 includes a new coding‑agent skill that detects reflow problems and suggests fixes so apps can adapt when layouts shift between different screens.
- Developers inspecting iOS 27 found framework identifiers such as "foldState," "angleDegrees," and a multi‑display count reference, which press outlets report as code-level signs that a foldable or multi‑screen iPhone may be supported by the OS.
- Apple promoted SwiftUI in its Platforms State of the Union as the recommended way to build UIs that reflow across changing displays, framing the shift as a platform-level move rather than a device-only change.
- Industry coverage links these software signals to ongoing rumors of an "iPhone Ultra" launch in September, but Apple has not announced any foldable hardware and the device timing remains unconfirmed; developers should expect to adapt many apps if a new form factor appears.