Safari 14 Beta Release Notes

Revealed at this week’s WWDC, Safari 14 will ship alongside iOS 14 & macOS 11 later this year. Here are the headlines:

  • Adds support for WebP images and HDR video playback;
  • Support for HTTP/3;
  • Ditches Flash;
  • Will support both the :is() and :where() pseudo-selectors;
  • …and adds Web Extensions support to the macOS version

More here: https://developer.apple.com/documentation/safari-release-notes/safari-14-beta-release-notes