Download Firefox 5.0 Beta 2

Firefox 5.0 Beta 2 is now available for download

Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows you more of the page than any other browser and a number of additional features that work with you to help you get the most out of your time online.

Firefox 5.0 Beta 2 includes the Firefox channel switcher, performance and stability enhancements and support for the new CSS Animations standard to allow developers build more amazing Web experiences. The new Firefox channel switcher lets users move between Firefox Aurora, Beta and Release channels to test features at various levels of development, quality and polish.

Please read section What's in Mozilla Firefox 5.0 Beta 2 below for more detailed information about what's new in this version of the beta release, as well as the known issues.

Note: Mozilla planning to release Firefox 5.0 Final on 21st June.

Download Mozilla Firefox 5.0 Beta 2:
Download Mozilla Firefox 5.0 Beta 2 from website listed below:

What's in Mozilla Firefox 5.0 Beta 2
  • Added support for CSS animations
  • Added support for switching Firefox development channels
  • The Do-Not-Track header preference has been moved to increase discoverability
  • Improved canvas, JavaScript, memory, and networking performance
  • Improved standards support for HTML5, XHR, MathML, SMIL, and canvas
  • Improved spell checking for some locales
  • Improved desktop environment integration for Linux users


The full list of changes that are in Firefox 5.0 Beta 2 is available in the Firefox Beta Bug Fixes.

Known Issues
This list covers some of the known problems with Firefox Beta which will be resolved in future versions:

All Systems
- For some users, scrolling in the main GMail window will be slower than usual (see bug 579260)
- If you try to start Firefox using a locked profile, it will crash (see bug 573369)

Windows
- Some users of Adobe Reader X have experienced instability when viewing PDF documents in the browser. Uninstalling and reinstalling Adobe Reader X has been determined to resolve the issue (see bug 640901)

Mac OS X
- This version of the beta will not work on Macintosh hardware with Power PC CPUs (see bug 587799)

Linux and Unix
- The video control buttons may not work when viewing QuickTime videos with libtotem (see bug 625036)
- Users compiling from source might need a newer gcc and libstdc++ as the build requirements have changed (see bug 578880)

Source: Mozilla Firefox 5.0 Beta 2 Release Notes

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