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About Safari 5.1.1 for OS X Lion

Safari 5.1.1 includes support for iCloud, a breakthrough set of free cloud services. iCloud stores your Safari bookmarks and Safari Reading List and automatically pushes them to all your devices.

Safari 5.1.1 also contains various fixes and improvements to performance, stability, usability, compatibility, accessibility and security, including fixes that: 

  • Improve JavaScript performance up to 13% over Safari 5.1*
  • Address issues that could cause hangs and excessive memory usage
  • Improve stability when using Find, dragging tabs, and managing extensions
  • Improve stability for netflix.com and other websites that use the Silverlight plug-in 
  • Add a Show Downloads item to the View menu
  • Improve the consistency of the pinch to zoom gesture 
  • Address issues in full screen that affected search suggestions, URL updating, window sizing, and the title bar 
  • Address an issue that could prevent East Asian character input into webpages with Flash content 
  • Address an issue that could cause Safari to open links in windows instead of tabs
  • Improve PDF handling
  • Address an issue that could affect cookie and data deletion 
  • Address an issue that could cause History items to appear incorrectly
  • Correct the text in application download alerts
  • Improve compatibility with webpages with Flash video embedded from vimeo.com and other websites 
  • Improve printing from Safari
  • Address an issue that could prevent the Google Safe Browsing Service from updating

For detailed information about the security content of this update, please visit this site: http://support.apple.com/kb/HT1222.

* Testing conducted by Apple in August 2011 on a 2.7 GHz Quad-Core Intel Core i5-based iMac 21.5-inch system using OS X Lion v10.7.2 and configured with 4 GB of RAM and an AMD Radeon HD 6770M with 512 MB of VRAM. JavaScript benchmark based on SunSpider 0.9.1. Performance will vary based on system configuration, network connection, and other factors.

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
Last Modified: Oct 12, 2011
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  • Last Modified: Oct 12, 2011
  • Article: HT4922
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