WebKit Open Source Web Browser Engine

WebKit for Web Developers

WebKit is the web browser engine used by Safari, App Store, and many other OS X, iOS, and Linux applications. Web developers can stay updated on feature support, follow development on the blog, try out the latest web technologies by downloading Safari Technology Preview and report bugs.

Contributing to WebKit

You can provide bug reductions or contribute code. Get started contributing code by installing developer tools and checking out and building the source code. Learn more about the project and our performance goals.

WebKit Open Source Web Browser Engine

WebKit for Web Developers

WebKit is the web browser engine used by Safari, App Store, and many other OS X, iOS, and Linux applications. Web developers can stay updated on feature support, follow development on the blog, try out the latest web technologies by downloading Safari Technology Preview and report bugs.

Contributing to WebKit

You can provide bug reductions or contribute code. Get started contributing code by installing developer tools and checking out and building the source code. Learn more about the project and our performance goals.
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Celebrating 15 Years of WebKit

15 years ago today, the first commit was made to the public WebKit repository.

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Release Notes for Safari Technology Preview Release 11

Safari Technology Preview Release 11 is now available for download for both macOS Sierra betas and OS X El Capitan.

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A Refined Content Security Policy

The Content Security Policy standard lets you define a list of the inline scripts, inline stylesheets, and subresources that your page permits to load.

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Release Notes for Safari Technology Preview Release 10

Safari Technology Preview Release 10 is now available for download for both macOS Sierra betas and OS X El Capitan.

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New <video> Policies for iOS

Since before your sun burned hot in space and before your race was born, Safari on iOS has required a user gesture to play media in a <video> or <audio> element.

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Improvements in MathML Rendering

MathML is a W3C recommendation and an ISO/IEC standard that can be used to write mathematical content on HTML5 web pages, EPUB3 e-books and many other XML-based formats.

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Release Notes for Safari Technology Preview Release 9

Safari Technology Preview Release 9 is now available for download for both macOS Sierra betas and OS X El Capitan.

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