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Leopard WebKit is a current build of WebKit for OS X 10.5 Leopard.

What's New

Version 226588 (604.5.6):
  • Bug and security fixes from Safari 11.0.3 (one of Apple's Spectre mitigations, namely pointer poisoning, doesn't apply to Leopard WebKit because it requires a 64 bit application)
  • Fixed some web font handling bugs and updated OpenTypeSanitizer to 6.1.1
  • Fixed support for Safari Top Sites rendering
  • Added basic support for Web Performance API

  • More...


  • OS X 10.5 PowerPC only

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Leopard WebKit User Discussion

5 23


Current Version (226588.x)


Downloads 17,599
Version Downloads 191
License Free
Date 12 Mar 2018
Platform OS X
Price Free
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