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Release Notes for Safari Technology Preview 5
Safari Technology Preview Release 5 is now available for download.
ECMAScript 6 Proper Tail Calls in WebKit
Proper Tail Calls (PTC) is a new feature in the ECMAScript 6 language.
Release Notes for Safari Technology Preview 4
Safari Technology Preview Release 4 is now available for download.
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.
Release Notes for Safari Technology Preview 3
Safari Technology Preview Release 3 is now available for download.
Updating Our Prefixing Policy
WebKit’s new feature policy is to implement experimental features unprefixed, behind a runtime flag.
Release Notes for Safari Technology Preview 2
Safari Technology Preview Release 2 is now available for download.
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.
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.
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.