Mozilla has not officially released Firefox 9.0 but officially it is available to download for Linux, Mac, and Windows. Although it is considered as one of the fastest web browser but its addons feature is simply the best among all other browsers. Now you would be wondering whats new been incorporated in the version 9.0.
- Improved theme integration for Mac OS X Lion
- Added two finger swipe navigation for Mac OS X Lion
- Added support for font-stretch
- Improved support for text-overflow
- Improved standards support for HTML5, MathML, and CSS
- Fixed several stability issues
Firefox 9.0 is backward compatible with all the addons available in Firefox 8.0 which will off course lessen your worries. Apart from that HTML 5 and CSS support, stability enhancement has been added as well in the new version.