Make your UIKit app fully resizable
iOS 27 makes iPhone apps fully resizable, with Xcode AI features automating the migration work.
“Xcode's intelligence features and the new app modernization skill can do a lot of it for you.”
An Apple WWDC session explains how to make UIKit apps fully resizable in iOS 27, noting that Xcode's AI-powered intelligence features and a new app modernization skill can automate much of the migration. The AI angle is incidental tooling assistance rather than a meaningful industry signal.