A fast, open source web browser engine.

WebKit is the web browser engine used by Safari, Mail, App Store, and many other apps on macOS, iOS, and Linux. Get started contributing code, or reporting bugs.

Web developers can follow development, check feature status, download Safari Technology Preview to try out the latest web technologies, and report bugs.

Release Notes for Safari Technology Preview 216

Release Notes for Safari Technology Preview 216

Safari Technology Preview Release 216 is now available for download for macOS Sequoia and macOS Sonoma.

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WebKit Features in Safari 18.4

WebKit Features in Safari 18.4

Safari 18.4 is here!

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Item Flow, Part 1:
A new unified concept for layout

Item Flow, Part 1:
A new unified concept for layout

CSS Grid and Flexbox brought incredible layout tools to the web, but they don’t yet do everything a designer might want.

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Meet Declarative Web Push

Meet Declarative Web Push

Web Push notifications are a powerful and important part of the web platform.

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Announcing Interop 2025

Announcing Interop 2025

Exciting news for web developers, designers, and browser enthusiasts alike — Interop 2025 is here, continuing the mission of improving cross-browser interoperability.

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