--- title: Where did @Binding cause a bug that only showed up after... description: A SwiftUI @Binding bug went undetected through multiple releases when refactoring renamed classes, breaking one write path while the UI appeared correct due to... canonical: https://daily.dev/posts/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Where did @Binding cause a bug that only showed up after a few releases? | daily.dev og:description: A SwiftUI @Binding bug went undetected through multiple releases when refactoring renamed classes, breaking one write path while the UI appeared correct due to... og:url: https://daily.dev/posts/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6 og:image: https://api.daily.dev/og/posts/8PwHRAsR6.png og:image:alt: Where did @Binding cause a bug that only showed up after a few releases? 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. # Where did @Binding cause a bug that only showed up after a few releases? **[Rebeloper](https://daily.dev/sources/rebeloper)** · 1 min read · 0 upvotes · 0 comments ## Summary A SwiftUI @Binding bug went undetected through multiple releases when refactoring renamed classes, breaking one write path while the UI appeared correct due to cached state. The issue surfaced days later through analytics discrepancies. The root cause was assuming binding symmetry, resolved by centralizing write permissions and adding assertions to catch missing paths early. ## 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/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6) ```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":"Where did @Binding cause a bug that only showed up after a few releases?","url":"https://daily.dev/posts/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6"},"datePublished":"2026-02-13T07:13:59.744Z","dateModified":"2026-02-13T07:14:16.074Z","description":"A SwiftUI @Binding bug went undetected through multiple releases when refactoring renamed classes, breaking one write path while the UI appeared correct due to...","image":"https://i.ytimg.com/vi/u-h87-rSius/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/u-h87-rSius/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/where-did-binding-cause-a-bug-that-only-showed-up-after-a-few-releases--8pwhrasr6","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ios,swift,swiftui","timeRequired":"PT1M","video":{"@type":"VideoObject","name":"Where did @Binding cause a bug that only showed up after a few releases?","description":"A SwiftUI @Binding bug went undetected through multiple releases when refactoring renamed classes, breaking one write path while the UI appeared correct due to...","thumbnailUrl":"https://i.ytimg.com/vi/u-h87-rSius/sddefault.jpg","uploadDate":"2026-02-13T07:13:59.744Z","duration":"PT1M","url":"https://api.daily.dev/r/8PwHRAsR6","embedUrl":"https://www.youtube.com/embed/u-h87-rSius"}} {"@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":"Where did @Binding cause a bug that only showed up after a few releases?"}]} ```