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Apple’s Safari Technology Preview 82 Release Brings the Usual Bug Fixes and Performance Improvements

Apple’s Safari Technology Preview 82 Release Brings the Usual Bug Fixes and Performance Improvements

Apple on Wednesday released Safari Technology Preview 82, the latest version of their developer preview web browser. The preview version of Apple’s popular browser offers developers and other interested users the ability to try out features that may or may not, debut in future public release versions of Safari.

Release 82


  • Enabled Fetch Keep Alive by default
  • Changed to resolve the percentage values of inset properties against proper box.
  • Changed to use the normal loading path for ping loads
  • Fixed propertyRegistry() to be overridden for SVGFEFloodElement and SVGFEMergeElement
  • Fixed programmatic scrolling with async overflow scroll
  • Marked U+01C0 as a homograph of U+006C
  • Updated WebKit to rely more on ICU’s UTF-8 support


  • Fixed crash when opening the inspector when using already in-flight generators and async functions
  • Changed setting a frame src attribute to not run a JavaScript URL synchronously


  • Changed WebAudio Node JS wrappers to not be collected if events can be fired
  • Updated getDisplayMedia to require a user gesture
  • Updated XMLHttpRequest to propagate user gestures for media playback


  • Made a change to stop IndexedDB transactions to release locked database files when network process is ready to suspend
  • Updated to terminate Service Worker processes that use too much CPU
  • Updated to terminate unresponsive Service Worker processes


  • Fixed font-weight: 1000 to be parsed successfully
  • Fixed transform sometimes being left in a bad state after an animation


  • Fixed the hit-point of a link that spans multiple lines

Web Inspector

  • Updated support for dragging a node to the console to log the node
  • Added support for recording actions performed on WebGL 2 contexts

Web Driver

  • Used a more informative key to indicate automation availability

Web Authentication

  • Added a check to require a call to WebAuthN from a focused document


  • Moved gpu API entry point from window to navigator

Browser Changes

  • Changed unchecking “Allow websites to ask for permission to send notifications” to also disable prompting for HTML5 notifications

The update can be downloaded from the Safari Technology Preview website, or if the browser is already installed, it can be updated via the “Update” tab in the Mac App Store. Full release notes for the update are also available on the Safari Technology Preview website.

While the preview is intended for use by developers and advanced users, in order to provide Apple with feedback on the development of the Safari browser, it can be run side-by-side with the release version of Safari. The app doesn’t require a developer account to download and install. For more information, visit the Safari Technology Preview website.


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