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 116

Release Notes for Safari Technology Preview 116

Safari Technology Preview Release 116 is now available for download for macOS Big Sur and macOS Catalina.

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New WebKit Features in Safari 14

New WebKit Features in Safari 14

With the release of Safari 14 for macOS Big Sur, iPadOS 14, iOS 14, and watchOS 7, WebKit brings significant improvements to performance and privacy along with a host of new features for web developers.

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CNAME Cloaking and Bounce Tracking Defense

CNAME Cloaking and Bounce Tracking Defense

This blog post covers several enhancements to Intelligent Tracking Prevention (ITP) in Safari 14 on macOS Big Sur, Catalina, and Mojave, iOS 14, and iPadOS 14 to address our latest discoveries in the industry around tracking.

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Meet Face ID and Touch ID for the Web

Meet Face ID and Touch ID for the Web

People often see passwords are the original sin of authentication on the web.

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Speculation in JavaScriptCore

Speculation in JavaScriptCore

This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine.

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