One more reason to like @Observable: It isn't SwiftUI only. It works in AppKit and UIKit views too, so the same per property tracking spans all three frameworks. Deeper dive in my WWDC26 talk, Use SwiftUI with AppKit and UIKit: 🔗 developer.apple.com/videos/play...

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...

developer.apple.com

We're live! The SwiftUI Group Lab is starting now, WWDC26's Q&A with Apple engineers, for the next hour. Join in: developer.apple.com/videos/play...

SwiftUI Group Lab - WWDC26 - Videos - Apple Developer

Join us online for a deep dive into WWDC26 with Apple engineers and designers to ask questions, get advice, and follow the discussion...

developer.apple.com

Questions are now open! Submit your SwiftUI questions for today's WWDC26 Group Lab any time before it starts. Live Q&A with Apple engineers at 9am PT developer.apple.com/videos/play...

SwiftUI Group Lab - WWDC26 - Videos - Apple Developer

Join us online for a deep dive into WWDC26 with Apple engineers and designers to ask questions, get advice, and follow the discussion...

developer.apple.com

SwiftUI Perf Tip: In lazy containers (List, LazyVStack), each ForEach element should return a *constant* number of views. An AnyView or if inside the closure (0 or 1 views) hits a slow path. Fix: filter your data upfront. Debug arg: -LogForEachSlowPath YES 🔗 developer.apple.com/documentati...

ForEach | Apple Developer Documentation

A structure that computes views on demand from an underlying collection of identified data.

docs.developer.apple.com

My WWDC26 session just dropped: Use SwiftUI with AppKit & UIKit 💡 I walk through adopting SwiftUI in an existing app: Observation auto-updating your AppKit/UIKit views, embedding SwiftUI in your view hierarchy, bridging gesture recognizers, and SwiftUI scenes. 🔗developer.apple.com/videos/play...

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...

developer.apple.com

This Wednesday I'll be at the SwiftUI Group Lab, WWDC26's live online Q&A with Apple engineers 🧪 Register now, then submit your SwiftUI questions in the hour before we go live 👇 📅 June 10, 9–10am PT developer.apple.com/wwdc26/sche...

Activity registration - Schedule - WWDC26 - Apple Developer

Sign up for WWDC26 activities.

developer.apple.com