--- title: SwiftUI Outgrew ObservableObject | daily.dev description: SwiftUI's ObservableObject causes unnecessary view re-renders when any published property changes, even if that property isn't used by a particular view. The... canonical: https://daily.dev/posts/swiftui-outgrew-observableobject-ctdggvjzz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: SwiftUI Outgrew ObservableObject | daily.dev og:description: SwiftUI's ObservableObject causes unnecessary view re-renders when any published property changes, even if that property isn't used by a particular view. The... og:url: https://daily.dev/posts/swiftui-outgrew-observableobject-ctdggvjzz og:image: https://api.daily.dev/og/posts/CTDggvJZz.png og:image:alt: SwiftUI Outgrew ObservableObject 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. # SwiftUI Outgrew ObservableObject **[Rebeloper](https://daily.dev/sources/rebeloper)** · 2 min read · 0 upvotes · 0 comments ## Summary SwiftUI's ObservableObject causes unnecessary view re-renders when any published property changes, even if that property isn't used by a particular view. The newer @Observable macro solves this by only re-rendering views that actually depend on the changed property, making it a more efficient replacement for ObservableObject with @Published variables. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#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/swiftui-outgrew-observableobject-ctdggvjzz) ```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":"SwiftUI Outgrew ObservableObject","url":"https://daily.dev/posts/swiftui-outgrew-observableobject-ctdggvjzz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/swiftui-outgrew-observableobject-ctdggvjzz"},"datePublished":"2026-01-22T07:23:25.635Z","dateModified":"2026-01-22T07:23:46.150Z","description":"SwiftUI's ObservableObject causes unnecessary view re-renders when any published property changes, even if that property isn't used by a particular view. The...","image":"https://i.ytimg.com/vi/iXOkoxQujVY/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/iXOkoxQujVY/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Rebeloper","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Rebeloper","logo":"https://media.daily.dev/image/upload/s--W0sZL8K4--/f_auto/v1726990075/logos/rebeloper","url":"https://daily.dev/sources/rebeloper"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/swiftui-outgrew-observableobject-ctdggvjzz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ios,swift,swiftui","timeRequired":"PT2M","video":{"@type":"VideoObject","name":"SwiftUI Outgrew ObservableObject","description":"SwiftUI's ObservableObject causes unnecessary view re-renders when any published property changes, even if that property isn't used by a particular view. The...","thumbnailUrl":"https://i.ytimg.com/vi/iXOkoxQujVY/sddefault.jpg","uploadDate":"2026-01-22T07:23:25.635Z","duration":"PT2M","url":"https://api.daily.dev/r/CTDggvJZz","embedUrl":"https://www.youtube.com/embed/iXOkoxQujVY"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Rebeloper","item":"https://daily.dev/sources/rebeloper"},{"@type":"ListItem","position":3,"name":"SwiftUI Outgrew ObservableObject"}]} ```