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 124

Release Notes for Safari Technology Preview 124

Safari Technology Preview Release 124 is now available for download for macOS Big Sur and macOS Catalina.

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New WebKit Features in Safari 14.1

New WebKit Features in Safari 14.1

Safari 14.1 for macOS Big Sur, iPadOS 14.5, and iOS 14.5 brings new WebKit features, APIs, performance improvements, and improved compatibility for web developers.

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Introducing CSS Grid Inspector

Introducing CSS Grid Inspector

CSS Grid Layout is a web-standard layout system used to define a grid structure of rows and columns in CSS.

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Updates to the Storage Access API

Updates to the Storage Access API

The Storage Access API allows third-party web content to ask for permission to get access to its unpartitioned storage, typically in order to authenticate the user.

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Introducing Private Click Measurement, PCM

Introducing Private Click Measurement, PCM

This blog post covers a new feature called Private Click Measurement, or PCM, for measuring ad clicks across websites and from iOS apps to websites.

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