Download Mozilla Firefox 9.0

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Version 9.0 of Mozilla Firefox has been released. Today, Mozilla releases a new stable version of the web browser every six weeks. New in 9.0 include JavaScript performance and improved support for the HTML5, MathML, and CSS standards. In addition, two-finger swipes are now possible in Mac OS X Lion and Firefox can handle themes better there too. Below is an overview of the most important improvements that we find in version 9.0:

The latest version of Firefox has the following changes:

  • Added Type Inferencesignificantly improving JavaScript performance
  • Improved theme integration for Mac OS X Lion
  • Added two finger swipe navigation for Mac OS X Lion
  • Added support for querying Do Not Track status via JavaScript
  • Added support for font-stretch
  • Improved support for text overflow
  • Improved standards support for HTML5, MathML, and CSS
  • Fixed several stability issues

Please see the complete list of changes in this version. Web and extension developers should also view the curated list of platform changes. You may also be interested in the list of changes in the previous version.

The following downloads are available:
Mozilla Firefox 9.0 for Windows (English)
Mozilla Firefox 9.0 for Linux (English)
Mozilla Firefox 9.0 for Mac OS X (English)
Mozilla Firefox 9.0 for Windows (English)
Mozilla Firefox 9.0 for Linux (English)
Mozilla Firefox 9.0 for Mac OS X (English)
Mozilla Firefox 9.0 for Windows (Frisian)
Mozilla Firefox 9.0 for Linux (Frisian)
Mozilla Firefox 9.0 for Mac OS X (Frisian)

Version number 9.0
Release status Final
Operating systems Windows 7, Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008
Website Mozilla Foundation
Download
File sizes

14.90MB – 31.20MB

License type Freeware
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