Apple’s macOS 27 drops the long‑held lock on iPhone Mirroring, letting users pick from a set of new aspect ratios. The change appears in the Golden Gate release, unveiled at the Platforms State‑of‑the‑Union address.

Prior to this, the mirroring window stayed true to the phone’s native proportions, limiting screen‑real estate. Now the window can snap to several fixed ratios, switching between the app’s iPhone layout or, when available, its iPad version.

macOS 27 also adds Control Center, Home Screen, App Switcher, and Spotlight to the mirrored interface, streamlining multitasking on macOS. The update signals Apple’s push toward dynamic‑size app design and hints at upcoming foldable‑device support.

The ability to resize mirrors directly addresses developers’ call for adaptable UI, enabling smoother cross‑device workflows. Users will immediately benefit from a more flexible workspace on Macs with Apple‑silicon hardware.