A fast open source
web browser engine.

WebKit is the web browser engine used by Safari, 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 44

Release Notes for Safari Technology Preview 44

Safari Technology Preview Release 44 is now available for download for macOS Sierra and macOS High Sierra.

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Introducing WebKit Build Archives

Introducing WebKit Build Archives

Today we’re excited to roll out some improvements to how we deliver WebKit builds.

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New WebKit Features in Safari 11

New WebKit Features in Safari 11

With the release of iOS 11 and macOS High Sierra, the new Safari brings impressive performance improvements and great new WebKit features to the web.

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Designing Websites for iPhone X

Designing Websites for iPhone X

The section below about safe area insets was updated on Oct 31, 2017 to reflect changes in the iOS 11.2 beta.

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Concurrent JavaScript:
It can work!

Concurrent JavaScript:
It can work!

With the recent addition of SharedArrayBuffer, concurrency is finding its way into the JavaScript language.

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Adobe Announces Flash Distribution and Updates to End

Adobe Announces Flash Distribution and Updates to End

Adobe has announced it will stop distributing and updating Flash Player at the end of 2020 and is encouraging web developers to migrate any existing Flash content to open standards.

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Update on Web Cryptography

Update on Web Cryptography

Cryptography is the cornerstone of information security, including various aspects such as data confidentiality, data integrity, authentication, and non-repudiation.

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Release Notes for Safari Technology Preview 35

Release Notes for Safari Technology Preview 35

Safari Technology Preview Release 35 is now available for download for macOS Sierra and betas of macOS High Sierra.

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