--- title: A WWDC 26 Update on Building a Mac-assed App with SwiftUI description: A follow-up post on building native Mac-style apps with SwiftUI, prompted by Apple engineer feedback after WWDC 26. Covers four areas: the existing... canonical: https://daily.dev/posts/a-wwdc-26-update-on-building-a-mac-assed-app-with-swiftui-ndsz7xqti twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A WWDC 26 Update on Building a Mac-assed App with SwiftUI | daily.dev og:description: A follow-up post on building native Mac-style apps with SwiftUI, prompted by Apple engineer feedback after WWDC 26. Covers four areas: the existing... og:url: https://daily.dev/posts/a-wwdc-26-update-on-building-a-mac-assed-app-with-swiftui-ndsz7xqti og:image: https://api.daily.dev/og/posts/nDSZ7XQti.png og:image:alt: A WWDC 26 Update on Building a Mac-assed App with SwiftUI 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. # A WWDC 26 Update on Building a Mac-assed App with SwiftUI **[Lobsters](https://daily.dev/sources/lobsters)** · 5 min read · 0 upvotes · 0 comments ## Summary A follow-up post on building native Mac-style apps with SwiftUI, prompted by Apple engineer feedback after WWDC 26. Covers four areas: the existing `\backgroundProminence` environment value as a built-in alternative to custom selected-state tracking; the new `.onDragSessionUpdated` API that finally exposes drag session lifecycle events; the missing `.onMoveCommand` availability on iPadOS despite it working on tvOS; and filed feedback radars for context menu visibility and toolbar ergonomics improvements. Also notes the new `.reorderable` modifier and `.visibilityPriority` toolbar modifier introduced in the 27 OS releases. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [What is new in SwiftUI after WWDC26](https://daily.dev/posts/what-is-new-in-swiftui-after-wwdc26-km1yihp3o) · Swift with Majid · 0 upvotes · 0 comments - [Using SwiftUI to Build a Mac-assed App in 2026](https://daily.dev/posts/using-swiftui-to-build-a-mac-assed-app-in-2026-osppvd4pe) · Lobsters · 2 upvotes · 0 comments --- Tags: [#swift](https://daily.dev/tags/swift), [#mac](https://daily.dev/tags/mac), [#swiftui](https://daily.dev/tags/swiftui) [View this post on daily.dev](https://daily.dev/posts/a-wwdc-26-update-on-building-a-mac-assed-app-with-swiftui-ndsz7xqti) ```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":"A WWDC 26 Update on Building a Mac-assed App with SwiftUI","url":"https://daily.dev/posts/a-wwdc-26-update-on-building-a-mac-assed-app-with-swiftui-ndsz7xqti","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-wwdc-26-update-on-building-a-mac-assed-app-with-swiftui-ndsz7xqti"},"datePublished":"2026-07-13T15:03:10.591Z","dateModified":"2026-07-13T15:05:02.194Z","description":"A follow-up post on building native Mac-style apps with SwiftUI, prompted by Apple engineer feedback after WWDC 26. 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