--- title: WebKit Features for Safari 26.4 | daily.dev description: Safari 26.4 ships 44 new features and 191 bug fixes. Highlights include CSS Grid Lanes (masonry-style layouts via `display: grid-lanes`), WebTransport for... canonical: https://daily.dev/posts/webkit-features-for-safari-26-4-vxvtsrmcb twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: WebKit Features for Safari 26.4 | daily.dev og:description: Safari 26.4 ships 44 new features and 191 bug fixes. Highlights include CSS Grid Lanes (masonry-style layouts via `display: grid-lanes`), WebTransport for... og:url: https://daily.dev/posts/webkit-features-for-safari-26-4-vxvtsrmcb og:image: https://api.daily.dev/og/posts/vXvtsrMcB.png og:image:alt: WebKit Features for Safari 26.4 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. # WebKit Features for Safari 26.4 **[WebKit](https://daily.dev/sources/webkit)** · 38 min read · 10 upvotes · 0 comments ## Summary Safari 26.4 ships 44 new features and 191 bug fixes. Highlights include CSS Grid Lanes (masonry-style layouts via `display: grid-lanes`), WebTransport for low-latency bidirectional communication over HTTP/3/QUIC, and the Keyboard Lock API for fullscreen web apps. Other additions: name-only container queries, threaded scroll-driven animations, ReadableByteStream with BYOB support, ReadableStream async iteration, math typography improvements, CSS Zoom fixes, WebAuthn PRF extension, and significant SVG and table layout bug fixes. The release also completes blocks-in-inline layout rewrite and begins a new CSS Grid layout engine. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Release Notes for Safari Technology Preview 234](https://daily.dev/posts/release-notes-for-safari-technology-preview-234-awzhz9ydj) · WebKit · 0 upvotes · 0 comments - [Issue \#745: Safari's 58 new features — Frontend Focus](https://daily.dev/posts/issue-745-safari-s-58-new-features-frontend-focus-4cvtdr1ox) · Frontend Focus · 3 upvotes · 0 comments - [News from WWDC26: WebKit in Safari 27 beta](https://daily.dev/posts/news-from-wwdc26-webkit-in-safari-27-beta-cz81svuy5) · WebKit · 12 upvotes · 1 comments - [New to the web platform in February](https://daily.dev/posts/new-to-the-web-platform-in-february-sbi8yurhp) · web.dev · 2 upvotes · 0 comments --- Tags: [#css](https://daily.dev/tags/css), [#safari](https://daily.dev/tags/safari) [View this post on daily.dev](https://daily.dev/posts/webkit-features-for-safari-26-4-vxvtsrmcb) ```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":"WebKit Features for Safari 26.4","url":"https://daily.dev/posts/webkit-features-for-safari-26-4-vxvtsrmcb","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/webkit-features-for-safari-26-4-vxvtsrmcb"},"datePublished":"2026-03-24T17:24:14.501Z","dateModified":"2026-03-24T17:24:52.079Z","description":"Safari 26.4 ships 44 new features and 191 bug fixes. 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