was resizability introduced for iphone?

Asked on 2026-09-08

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Yes — Apple introduced resizability for iPhone apps in the newer WWDC sessions.

In Platforms State of the Union and Modernize your UIKit app, Apple says that in iOS 27:

  • iPhone apps can be fully resizable
  • This applies when the app is running in iPhone mirroring on Mac
  • And also when an iPhone-only app runs on iPad

They also note that apps rebuilt with the latest SDK are automatically opted into resizability.

So the short answer is: yes, resizability was introduced for iPhone apps, but specifically in these newer mirrored/resizable environments rather than as a general always-resizable iPhone home-screen behavior.