Record · corpus.blog/posts/01a087e5-a5dd-7248-a7aa-0a5e058599e0

Automatic Observation Tracking in UIKit and AppKit: The Feature Apple Forgot to Mention

Peter Steinberger · published 11 June 2025

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2blogs citing

First cited: 18 Jun 2025
Most recent: 13 Feb 2026
Rank this month: not ranked
External links: 30
Words captured: 2,342

Cited by

Blog

In the post

Date

chaosinmotion.com

SwiftUI style recomposition in AppKit/UIKit Read at the source ↗

13 Feb 2026

Michael Tsai

Automatic Observation Tracking in UIKit and AppKit Read at the source ↗

18 Jun 2025

Links from this post

Link

Host

https://developer.apple.com/documentation/uikit/automatic-trait-tracking

developer.apple.com

https://developer.apple.com/documentation/uikit/uiview/1622482-layoutsubviews

developer.apple.com

https://developer.apple.com/documentation/uikit/uiview/1622512-updateconstraints

developer.apple.com

https://developer.apple.com/documentation/uikit/uiview/1622529-draw

developer.apple.com

https://developer.apple.com/documentation/uikit/uiviewcontroller/1621437-viewwilllayoutsubviews

developer.apple.com

https://developer.apple.com/documentation/uikit/uiviewcontroller/1621398-viewdidlayoutsubviews

developer.apple.com

https://developer.apple.com/documentation/uikit/uiviewcontroller/1621379-updateviewconstraints

developer.apple.com

https://developer.apple.com/documentation/uikit/uiviewcontroller/4195484-updatecontentunavailableconfigur

developer.apple.com

https://developer.apple.com/documentation/uikit/uipresentationcontroller/1618335-containerviewwilllayoutsubviews

developer.apple.com

https://developer.apple.com/documentation/uikit/uipresentationcontroller/1618329-containerviewdidlayoutsubviews

developer.apple.com

https://developer.apple.com/documentation/uikit/uibutton/3750773-updateconfiguration

developer.apple.com

https://developer.apple.com/documentation/uikit/uibutton/3750772-configurationupdatehandler

developer.apple.com

https://developer.apple.com/documentation/uikit/uicollectionviewcell/3600950-updateconfiguration

developer.apple.com

https://developer.apple.com/documentation/uikit/uitableviewcell/3601058-updateconfiguration

developer.apple.com

https://developer.apple.com/documentation/uikit/uitableviewheaderfooterview/3601061-updateconfiguration

developer.apple.com

https://developer.apple.com/documentation/appkit/nsview/1526891-updateconstraints

developer.apple.com

https://developer.apple.com/documentation/appkit/nsview/1526146-layout

developer.apple.com

https://developer.apple.com/documentation/appkit/nsview/1483686-draw

developer.apple.com

https://developer.apple.com/documentation/appkit/nsview/1526068-updatelayer

developer.apple.com

https://developer.apple.com/documentation/appkit/nsviewcontroller/1434401-updateviewconstraints

developer.apple.com

https://developer.apple.com/documentation/appkit/nsviewcontroller/1434481-viewwilllayout

developer.apple.com

https://developer.apple.com/documentation/appkit/nsviewcontroller/1434491-viewdidlayout

developer.apple.com

https://www.swiftjectivec.com/ios-26-notable-uikit-additions/

swiftjectivec.com

https://developer.apple.com/documentation/uikit/uiview/setNeedsUpdateProperties

developer.apple.com

https://developer.apple.com/documentation/uikit/uiview/updatePropertiesIfNeeded

developer.apple.com

https://github.com/steipete/ObservationTrackingExample

github.com

https://useyourloaf.com/blog/custom-traits-and-swiftui/

useyourloaf.com

https://developer.apple.com/documentation/observation

developer.apple.com

https://developer.apple.com/videos/play/wwdc2023/10149/

developer.apple.com

https://forums.swift.org/t/observation-tracking-in-uikit

forums.swift.org