Release Notes for Safari Technology Preview 52
Safari Technology Preview Release 52 is now available for download for macOS Sierra and macOS High Sierra.
Protecting Against HSTS Abuse
HTTP Strict Transport Security (HSTS) is a security standard that provides a mechanism for web sites to declare themselves accessible only via secure connections, and to tell web browsers where to go to get that secure version.
Intelligent Tracking Prevention 1.1
Note: Read about improvements to this technology in recent blog posts about Intelligent Tracking Prevention, and the Storage Access API.
Release Notes for Safari Technology Preview 51
Safari Technology Preview Release 51 is now available for download for macOS Sierra and macOS High Sierra.
Introducing Storage Access API
Today we are happy to provide a solution for embedded cross-site content to authenticate users who are already logged in to first-party services in the form of the Storage Access API.
Release Notes for Safari Technology Preview 50
Safari Technology Preview Release 50 is now available for download for macOS Sierra and macOS High Sierra.
Workers at Your Service
Update: A previous version of this post stated the Service Worker API is available in all applications using WKWebView.
Release Notes for Safari Technology Preview 49
Safari Technology Preview Release 49 is now available for download for macOS Sierra and macOS High Sierra.
Release Notes for Safari Technology Preview 48
Safari Technology Preview Release 48 is now available for download for macOS Sierra and macOS High Sierra.
A Benchmark for Modern Web App Responsiveness
Speedometer 2.0:
A Benchmark for Modern Web App Responsiveness
In 2014, the WebKit team at Apple released Speedometer 1.0, a benchmark for web app responsiveness.
Release Notes for Safari Technology Preview 47
Safari Technology Preview Release 47 is now available for download for macOS Sierra and macOS High Sierra.
What Spectre and Meltdown Mean For WebKit
Security researchers have recently uncovered security issues known as Meltdown and Spectre.