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 155

Release Notes for Safari Technology Preview 155

Safari Technology Preview Release 155 is now available for download for macOS Monterey 12.3 or later and macOS Ventura beta.

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WebKit Features in Safari 16.0

WebKit Features in Safari 16.0

Today, we are excited to announce the release of Safari 16.0 for iOS 16, macOS Monterey and macOS Big Sur.

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Introducing JetStream 2.1

Introducing JetStream 2.1

We’re introducing JetStream 2.1 which runs the same subtests as JetStream 2 with improvements for benchmark score stability.

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WebKit on GitHub!

WebKit on GitHub!

On June 23rd, the WebKit project froze its Subversion tree and transitioned management and interaction with our source code to git on GitHub.

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Using :has() as a CSS Parent Selector and much more

Using :has() as a CSS Parent Selector and much more

It’s been a long-standing dream of front-end developers to have a way to apply CSS to an element based on what’s happening inside that element.

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