Mozilla Firefox 4.0 Beta 2 Released

Mozilla has released the new beta version of its upcoming browser Firefox 4.0 Beta 2.

Mozilla has officially launched Beta 2 and Beta 3 is available through FTP server but its under testing.

Features of This beta version:-

  • 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.
  • You can 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.
  • JavaScript speed improvements due to engine optimizations.
  • Significant API improvements are available for JS-ctypes, a foreign function interface for extensions.
  • The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you’d like).
  • Crash protection for Windows, Linux, and Mac when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins.
  • CSS Transitions are partially supported.
  • Full WebGL support is included but disabled by default at this time.
  • Native support for the HD HTML5 WebM video format.
  • An experimental Direct2D rendering backend is available on Windows, turned off by default.
  • Web developers can use Websockets for a low complexity, low latency, bidirectional communications API.
  • Support for more HTML5 form controls.

You may use following link to download it:-

Download Firefox 4.0 Beta 2

Releasing Notes

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