Clickable link

JavaScriptCore CSI:
A Crash Site Investigation Story

When debugging JavaScript bugs, web developers have Web Inspector which provides a debugger and many introspective tools to examine their code with.

Read more ›

Clickable link

Release Notes for Safari Technology Preview 5

Safari Technology Preview Release 5 is now available for download.

Read more ›

Clickable link

ECMAScript 6 Proper Tail Calls in WebKit

Proper Tail Calls (PTC) is a new feature in the ECMAScript 6 language.

Read more ›

Clickable link

Release Notes for Safari Technology Preview 4

Safari Technology Preview Release 4 is now available for download.

Read more ›

Clickable link

Locking in WebKit

We recently replaced all spinlocks, OS-provided mutexes, and condition variables in WebKit with the new WTF::Lock and WTF::Condition — these new primitives have some cool properties.

Read more ›

Clickable link

Release Notes for Safari Technology Preview 3

Safari Technology Preview Release 3 is now available for download.

Read more ›

Clickable link

Updating Our Prefixing Policy

WebKit’s new feature policy is to implement experimental features unprefixed, behind a runtime flag.

Read more ›

Clickable link

Release Notes for Safari Technology Preview 2

Safari Technology Preview Release 2 is now available for download.

Read more ›

Clickable link

Introducing Safari Technology Preview

Starting today, there’s a new, convenient way to see what features and improvements are coming to Safari and other applications that use WebKit.

Read more ›

Clickable link

New Web Features in Safari

Last week, a new version of Safari shipped with the release of iOS 9.3 and OS X El Capitan 10.11.4.

Read more ›

Clickable link

CSS Variables in WebKit

Learn how CSS Variables helped reduce code complexity in Web Inspector for inspiration on how to make the most of them in your projects.

Read more ›

Clickable link

Editing CSS with the Visual Styles Sidebar

For new and experienced web developers alike, CSS isn’t always the easiest to deal with.

Read more ›