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Safari Technology Preview contains the most recent additions and improvements to WebKit and the latest advances in Safari web technologies. And once installed, you will receive notifications of updates from the Mac App Store.

  • Shared Links Extensibility. Use the new Shared Links API extension to add link suggestions to the shared links feed on Safari for OS X and iOS.
  • Content Blocking API for Safari extensions. Easily block content from a large collection of webpage resources with minimal overhead and incredibly high performance.

  • More...

What's New

Version 11.2: (13606.1.3.3, Release 49):

Note: Now requires macOS 10.13 or later; download for macOS 10.12.6 in Related Links.

Service Workers
  • Changed Service Workers restored from persistent storage to have "activated" state
  • Changed to terminate Service Workers that are unresponsive
  • Prevented Service Worker registrations restored from disk from


  • macOS 10.13 or later
  • Version for macOS 10.12.6 in Related Links

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Safari Technology Preview User Discussion

4.8 17


Current Version (11.x)


Downloads 13,027
Version Downloads 860
License Free
Date 08 Feb 2018
Platform Intel 64 / OS X
Price Free
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