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Mozilla Firefox specifications

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What's new in version 21.0

  • New: The Social API now supports multiple providers
  • New: Enhanced three-state UI for Do Not Track (DNT)
  • New: Firefox will suggest how to improve your application startup time if needed
  • New: Preliminary implementation of Firefox Health Report
  • Changed: Ability to restore removed thumbnails on New Tab Page
  • Changed: CSS -moz-user-select:none selection changed to improve compatibility with -webkit-user-select:none (bug 816298)
  • Changed: Graphics related performance improvements (bug 809821)
  • Changed: Removed E4X support from Spidermonkey
  • Developer: Implemented Remote Profiling
  • Developer: Integrated add-on SDK loader and API libraries into Firefox
  • HTML5: Added support for
    element
  • HTML5: Implemented scoped stylesheets
  • Fixed: Some function keys may not work when pressed (833719)
  • Fixed: Browsing and Download history clearing needs unification to avoid confusion on clearing download history (847627)
  • Fixed: 21.0: Security fixes can be found here

General

  • Publisher Mozilla
  • Publisher web site http://www.mozilla.org/
  • Release date May 14, 2013
  • Date added May 14, 2013
  • Version 21.0

Category

System requirements

  • Operating systems Mac OS X 10.8, Mac OS X 10.7, Mac OS X 10.6
  • Additional requirements Not available

Download information

  • File size 39.48MB
  • File name Firefox 21.0.dmg

Popularity

  • Total Downloads 2,942,670
  • Downloads last week 3,571

Pricing

  • License model Free
  • Limitations Not available
  • Price Not available