--- title: Audacity 4.0 Audio Editor Released With Qt6 Based UI description: Audacity 4.0 has been released, rebuilding the longtime open-source audio editor's UI on the Qt6 toolkit after years of using wxWidgets. The update brings a... canonical: https://daily.dev/posts/audacity-4-0-audio-editor-released-with-qt6-based-ui-qdrqzz9cn twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Audacity 4.0 Audio Editor Released With Qt6 Based UI | daily.dev og:description: Audacity 4.0 has been released, rebuilding the longtime open-source audio editor's UI on the Qt6 toolkit after years of using wxWidgets. The update brings a... og:url: https://daily.dev/posts/audacity-4-0-audio-editor-released-with-qt6-based-ui-qdrqzz9cn og:image: https://api.daily.dev/og/posts/qdrqzZ9Cn.png og:image:alt: Audacity 4.0 Audio Editor Released With Qt6 Based UI 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. # Audacity 4.0 Audio Editor Released With Qt6 Based UI **[Phoronix](https://daily.dev/sources/phoronix)** · 1 min read · 0 upvotes · 0 comments ## Summary Audacity 4.0 has been released, rebuilding the longtime open-source audio editor's UI on the Qt6 toolkit after years of using wxWidgets. The update brings a new clip-editing model, easier clip grouping and free placement, a dedicated splitting tool, better HiDPI support, and other UI/UX improvements. It also introduces a new .aup4 project format, though existing .aup3 files can still be opened and converted. Source code and AppImage, macOS, and Windows binaries are available on GitHub. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What UI toolkit does Audacity 4.0 use instead of wxWidgets? Audacity 4.0 uses the Qt6 toolkit, replacing wxWidgets which it had used for years. The switch brings better HiDPI support along with a new clip-editing model, easier clip grouping and placement, a dedicated splitting tool, and other UI/UX improvements. _Track major toolkit rewrites like this Audacity migration to Qt6 on daily.dev._ ### Can I still open my old .aup3 Audacity project files in Audacity 4.0? Yes, existing .aup3 files can still be opened in Audacity 4.0 and converted to the new .aup4 project format that the release introduces. Audacity 4.0 itself uses .aup4 as its native project format going forward. _Follow file-format migration details like Audacity's .aup3 to .aup4 shift on daily.dev._ ## Similar posts on daily.dev - [Audacity 4.0 beta lets you test its new \(nicer\) Qt interface](https://daily.dev/posts/audacity-4-0-beta-lets-you-test-its-new-nicer-qt-interface-ilpveqm9f) · omg\! ubuntu\! · 2 upvotes · 0 comments - [If you can get past the terrible logo, Audacity 4 looks pretty great](https://daily.dev/posts/if-you-can-get-past-the-terrible-logo-audacity-4-looks-pretty-great-bc5yjto82) · The Verge · 40 upvotes · 15 comments --- Tags: [#open-source](https://daily.dev/tags/open-source), [#linux](https://daily.dev/tags/linux), [#qt](https://daily.dev/tags/qt) [View this post on daily.dev](https://daily.dev/posts/audacity-4-0-audio-editor-released-with-qt6-based-ui-qdrqzz9cn) ```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":"Audacity 4.0 Audio Editor Released With Qt6 Based UI","url":"https://daily.dev/posts/audacity-4-0-audio-editor-released-with-qt6-based-ui-qdrqzz9cn","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/audacity-4-0-audio-editor-released-with-qt6-based-ui-qdrqzz9cn"},"datePublished":"2026-09-03T10:41:02.981Z","dateModified":"2026-09-03T19:19:56.580Z","description":"Audacity 4.0 has been released, rebuilding the longtime open-source audio editor's UI on the Qt6 toolkit after years of using wxWidgets. 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