Release Notes for Safari Technology Preview 55
Safari Technology Preview Release 55 is now available for download for macOS Sierra and macOS High Sierra.
Visualizing Layers in Web Inspector
Recent releases of Safari Technology Preview contain a new experimental feature for Web Inspector: the Layers tab.
Web Inspector Styles Sidebar Improvements
In Web Inspector that recently shipped with Safari 11.1 on macOS High Sierra, the Elements tab sidebar panels and the styles editor got a lot of attention from the Web Inspector team.
Release Notes for Safari Technology Preview 54
Safari Technology Preview Release 54 is now available for download for macOS Sierra and macOS High Sierra.
New WebKit Features in Safari 11.1
Update: This post has been updated to omit Offscreen Canvas which is not available in Safari 11.1 on macOS and Safari on iOS 11.3.
Introducing the Payment Request API for Apple Pay
We’re pleased to announce that Safari 11.1 on macOS and Safari on iOS 11.3 now support the W3C Payment Request API for conducting Apple Pay transactions on the web.
Release Notes for Safari Technology Preview 53
Safari Technology Preview Release 53 is now available for download for macOS Sierra and macOS High Sierra.
Clipboard API Improvements
The Clipboard API provides a mechanism for websites to support accessing the system pasteboard (pasteboard is the macOS and iOS counterpart to clipboard on Windows and Linux).
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.