Firefox nine comes with major improvement in terms of interference and increase in suability with lot of solved bugs.
Firefox 9 is the recent update for Firefox and has been improved in terms of webpage loading and updating html 5, css support
there is no change in the interference but still there were lot of improvement in background and it as better integration for mac os x.
Track me not feature which was implemented recently as also been improved to certain extent. Not a complete one but better than the previous edition.
Here is the list of updates:
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
Fixed several security issues
For complete list you can check it here: http://www.mozilla.org/en-US/firefox/9.0/releasenotes/buglist.html
Only thing I didn’t like is that it as significantly improved in size (14 MB) though which is still less that than other browser and thing I liked is the significant improvement in graphics.
You can download Firefox from here: