Posted: August 2, 2010/Under: Operating Systems/By: Ooi TS

Mozilla has released the second beta of its Firefox 4 following the release of Firefox 4 beta 1 on beginning of July 2010. The next generation Firefox 4 is built on Mozilla’s Gecko 2.0 Web platform. The new release includes lot of features, enhancements and improvements for users and developers.



The Firefox 4 beta 2 includes the following new features and improvements:

  • Tabs are now on top by default on Windows and OSX – Linux will be changing when the theme has been modified to support the change.
  • Able to turn any tab into an “App Tab” by right-clicking on it and selecting “Make into App Tab” from the context menu.
  • Web developers can animate content using CSS Transitions.
  • Responsiveness and scrolling improvements from the new retained layers layout system.
  • JavaScript speed improvements due to engine optimizations.
  • Changes to how XPCOM components are registered in order to help startup time and process separation.
  • Firefox 4 Beta 2 is available in 24 languages.

The latest Firefox 4 beta 2 is now available for free download at Mozilla official site. Just head to the following URL to access official Firefox 4 beta 2 download:

Windows (English)- http://download.mozilla.org/?product=firefox-4.0b2&os=win&lang=en-US
Linux (English) – http://download.mozilla.org/?product=firefox-4.0b2&os=linux&lang=en-US
Mac OS X (English) – http://download.mozilla.org/?product=firefox-4.0b2&os=osx&lang=en-US

Other localized versions can be downloading from here.

Update: Firefox 4 Beta 4

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