Why don't try the new Firefox Beta?
5.0 it's here! More faster, more secure.
- 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 standards support for HTML5, XHR, MathML, SMIL, and canvas
- Improved spell checking for some locales
- Improved desktop environment integration for Linux users