iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable

iOS 26 introduces automatic state observation to UIKit by bringing SwiftUI’s beloved @Observable macro into the fold. Developers can now build reactive, state-driven interfaces in UIKit without the hassle of manually calling setNeedsLayout() or maintai…


This content originally appeared on HackerNoon and was authored by Kagan Girgin

iOS 26 introduces automatic state observation to UIKit by bringing SwiftUI’s beloved @Observable macro into the fold. Developers can now build reactive, state-driven interfaces in UIKit without the hassle of manually calling setNeedsLayout() or maintaining boilerplate update logic. With the new updateProperties() lifecycle method and built-in dependency tracking, Apple modernizes UIKit for a more declarative and performance-optimized development experience. Time to update your apps and embrace the future of UIKit.


This content originally appeared on HackerNoon and was authored by Kagan Girgin


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Kagan Girgin | Sciencx (2025-08-07T10:51:51+00:00) iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable. Retrieved from https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/

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" » iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable." Kagan Girgin | Sciencx - Thursday August 7, 2025, https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/
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Kagan Girgin | Sciencx Thursday August 7, 2025 » iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable., viewed ,<https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/>
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Kagan Girgin | Sciencx - » iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/
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" » iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable." Kagan Girgin | Sciencx - Accessed . https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/
IEEE
" » iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable." Kagan Girgin | Sciencx [Online]. Available: https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/. [Accessed: ]
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» iOS 26 Brings SwiftUI-Like Reactivity to UIKit with @Observable | Kagan Girgin | Sciencx | https://www.scien.cx/2025/08/07/ios-26-brings-swiftui-like-reactivity-to-uikit-with-observable/ |

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