In revision r237547 we introduced a new bytecode format for JavaScriptCore (JSC). | Continue reading
Safari Technology Preview Release 85 is now available for download for macOS Catalina betas and macOS Mojave. | Continue reading
Since announcing last April that WebKit supports the W3C Payment Request API for Apple Pay, we’ve been hard at work adding even more features to the API. | Continue reading
Web Inspector now includes a new CPU usage timeline that lets developers measure a page’s CPU usage, estimate its energy impact, and more easily investigate sources of script execution that may be contributing to poor energy utilization. | Continue reading
This post is a followup to the Audits in Web Inspector post, and explains the capabilities of and how to write an audit. | Continue reading
Safari Technology Preview Release 84 is now available for download for macOS Mojave. | Continue reading
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. | Continue reading