The Complete Guide to Migrating From UIKit to SwiftUI in Large Production Apps

Migrating from UIKit to SwiftUI in large production apps requires an incremental approach that prioritizes stability, observability, and controlled adoption. By embedding SwiftUI within existing UIKit flows using bridging mechanisms, aligning design systems and state management, and maintaining strong performance and testing practices, teams can modernize UI architecture without disrupting critical user experiences or introducing regressions.