--- title: "The SwiftUI Way" book update: expanded guidance on data... description: The SwiftUI Way book has been updated with expanded coverage of SwiftUI data flow, view updates, and performance optimization. New content includes guidance on... canonical: https://daily.dev/posts/the-swiftui-way-book-update-expanded-guidance-on-data-flow-and-performance-ux6yf5505 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: "The SwiftUI Way" book update: expanded guidance on data flow and performance | daily.dev og:description: The SwiftUI Way book has been updated with expanded coverage of SwiftUI data flow, view updates, and performance optimization. New content includes guidance on... og:url: https://daily.dev/posts/the-swiftui-way-book-update-expanded-guidance-on-data-flow-and-performance-ux6yf5505 og:image: https://api.daily.dev/og/posts/uX6Yf5505.png og:image:alt: "The SwiftUI Way" book update: expanded guidance on data flow and performance og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # "The SwiftUI Way" book update: expanded guidance on data flow and performance **[Nil Coalescing](https://daily.dev/sources/nilcoalescing)** · 2 min read · 0 upvotes · 0 comments ## Summary The SwiftUI Way book has been updated with expanded coverage of SwiftUI data flow, view updates, and performance optimization. New content includes guidance on creating stable custom bindings, how equality affects property tracking in observable models, passing configuration and shared models through the environment without unnecessary view updates, and the impact of the @State-to-macro change in Xcode 27. Dynamic list performance guidance has also been added, including advice on Hashable identity for mutable elements. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Who Told The View To Update?](https://daily.dev/posts/who-told-the-view-to-update--xvxtydysb) · Medium · 0 upvotes · 0 comments - [SwiftUI data dependencies and their effect on view updates](https://daily.dev/posts/swiftui-data-dependencies-and-their-effect-on-view-updates-2kp42i6if) · Nil Coalescing · 1 upvotes · 0 comments --- Tags: [#performance](https://daily.dev/tags/performance), [#ios](https://daily.dev/tags/ios), [#swift](https://daily.dev/tags/swift), [#swiftui](https://daily.dev/tags/swiftui) [View this post on daily.dev](https://daily.dev/posts/the-swiftui-way-book-update-expanded-guidance-on-data-flow-and-performance-ux6yf5505) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"\"The SwiftUI Way\" book update: expanded guidance on data flow and performance","url":"https://daily.dev/posts/the-swiftui-way-book-update-expanded-guidance-on-data-flow-and-performance-ux6yf5505","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/the-swiftui-way-book-update-expanded-guidance-on-data-flow-and-performance-ux6yf5505"},"datePublished":"2026-08-02T07:15:05.511Z","dateModified":"2026-08-02T07:33:48.783Z","description":"The SwiftUI Way book has been updated with expanded coverage of SwiftUI data flow, view updates, and performance optimization. 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