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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, « Prev to try out the latest web technologies, and report bugs.

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Release Notes for Safari Technology Preview 242

Safari Technology Preview Release 242 is now available for download for macOS Tahoe and macOS Sequoia.

Introducing the JetStream 3 Benchmark Suite

Today, alongside our colleagues at Google and Mozilla, we announced JetStream 3.0, a major update to the cross-browser benchmark suite.

WebKit Features for Safari 26.4

March has a way of bringing a lot of new things to WebKit — and this year is no exception.

Announcing Interop 2026

Exciting news for web developers, designers, and browser enthusiasts alike — Interop 2026 is here, continuing the mission of improving cross-browser interoperability.

WebKit features for Safari 26.3

Safari 26.3 is here, with practical improvements for performance and user experience.