Release Notes for Safari Technology Preview 111
Safari Technology Preview Release 111 is now available for download for macOS Big Sur and macOS Catalina.
Speculation in JavaScriptCore
This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine.
Release Notes for Safari Technology Preview 110
Safari Technology Preview Release 110 is now available for download for macOS Big Sur and macOS Catalina.
App-Bound Domains
Many applications use WKWebView as a convenient way to display websites without requiring users to leave the app, referred to as in-app browsing.
Release Notes for Safari Technology Preview 109 with Safari 14 Features
Safari Technology Preview Release 109 is now available for download for macOS Catalina.
Release Notes for Safari Technology Preview 108
Safari Technology Preview Release 108 is now available for download for macOS Catalina and macOS Mojave.
Release Notes for Safari Technology Preview 107
Safari Technology Preview Release 107 is now available for download for macOS Catalina and macOS Mojave.
Release Notes for Safari Technology Preview 106
Safari Technology Preview Release 106 is now available for download for macOS Catalina and macOS Mojave.
Release Notes for Safari Technology Preview 105
Safari Technology Preview Release 105 is now available for download for macOS Catalina and macOS Mojave.
A Tour of Inline Caching with Delete
If you search for any JavaScript performance advice, a very popular recommendation is to avoid the delete operator.
Web Animations in Safari 13.1
With the release of iOS 13.4, iPadOS 13.4, and Safari 13.1 in macOS Catalina 10.15.4, web developers have a new API at their disposal: Web Animations.