Apple Seeds Safari Technology Preview 15

Following the release of Safari Technology Preview 14 couple weeks ago, the company has officially launched an all-new build of Safari Preview, Safari Technology Preview 15, to developers for download and testing.

Safari Technology Preview 15 includes several new features as well as other enhancements such as:

  • Fixed Picture in Picture playback so it always shows the correct state of the play buttonUpdated 
  • Fixed an issue where a CSP violation report may be sent to the wrong domain when the "frame-ancestors" directive is violated
  • Fixed an issue where Safari Technology Preview would consume excess memory when certain Safari Extensions were installed
  • Fetch API
  • Updated JavaScript
  • Updated CSS
  • Updated Web APIs
  • Updated Web Inspector
  • Updated Accessibility
  • Updated URL Handling
Safari Technology Preview 15, which is compatible with OS X El Capitan 10.11.6 or macOS Sierra 10.12, is now available to download through the Safari Dev Center for registered developers.