My WWDC26 session is out: Use SwiftUI with AppKit and UIKit 💡

I walk through incrementally adopting SwiftUI in an app you already have: using Observation to update your AppKit and UIKit views automatically, embedding SwiftUI into an existing view hierarchy, bringing gesture recognizers across, and adding full SwiftUI scenes without rearchitecting.

🔗https://developer.apple.com/videos/play/wwdc2026/272

Use SwiftUI with AppKit and UIKit - WWDC26 - Videos - Apple Developer

Discover how to incrementally adopt SwiftUI in your existing AppKit or UIKit app. We'll show you how to use the Observation framework to...

Apple Developer
The UI Frameworks team uses this same approach themselves. AppKit controls like NSSlider, NSSwitch, and NSSegmentedControl are now actually implemented in SwiftUI under the hood.
@dnadoba oh believe me. we know.