--- title: Backporting the SwiftUI 4 ImageRenderer to iOS 13 description: SwiftUI 4 introduces ImageRenderer for rendering views as images, but it requires iOS 16+. This post shows how to backport the functionality to iOS 13 using... canonical: https://daily.dev/posts/backporting-the-swiftui-4-imagerenderer-to-ios-13-gqfzfxwh8 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Backporting the SwiftUI 4 ImageRenderer to iOS 13 | daily.dev og:description: SwiftUI 4 introduces ImageRenderer for rendering views as images, but it requires iOS 16+. This post shows how to backport the functionality to iOS 13 using... og:url: https://daily.dev/posts/backporting-the-swiftui-4-imagerenderer-to-ios-13-gqfzfxwh8 og:image: https://api.daily.dev/og/posts/GQfzfxwH8.png og:image:alt: Backporting the SwiftUI 4 ImageRenderer to iOS 13 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. # Backporting the SwiftUI 4 ImageRenderer to iOS 13 **[Daniel Saidi](https://daily.dev/sources/danielsaidi)** · 4 min read · 0 upvotes · 0 comments ## Summary SwiftUI 4 introduces ImageRenderer for rendering views as images, but it requires iOS 16+. This post shows how to backport the functionality to iOS 13 using UIWindow, UIHostingController, and UIGraphicsImageRenderer. A key challenge is conditionally excluding the custom implementation when the native one is available, solved using a Swift compiler version check (#if compiler(<5.7)) rather than OS availability checks. The backported renderer exposes a similar API to the native one, with the main difference being an explicit size parameter requirement and defaulting to screen resolution scale. ## 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/backporting-the-swiftui-4-imagerenderer-to-ios-13-gqfzfxwh8) ```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":"Backporting the SwiftUI 4 ImageRenderer to iOS 13","url":"https://daily.dev/posts/backporting-the-swiftui-4-imagerenderer-to-ios-13-gqfzfxwh8","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/backporting-the-swiftui-4-imagerenderer-to-ios-13-gqfzfxwh8"},"datePublished":"2026-07-05T07:13:34.258Z","dateModified":"2026-07-05T07:15:27.282Z","description":"SwiftUI 4 introduces ImageRenderer for rendering views as images, but it requires iOS 16+. 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