We do not recommend that anyone other than developers and testers download the Firefox beta 1 milestone release. It is intended for testing purposes only.
As expected there are some new and exciting features in the latest release like:
- Better security;
- Revised password management, add-on installation and download procedures;
- More personalization with one-click bookmarking;
- New graphics and font rendering and offline application support;
- Improved performance with more than 300 memory leak fixes.
When compared with the Firefox 2 :
The bookmark manager is improved which provides better tagging facility and makes organising bookmarks easier.
Security features seem enhanced
The interface is similar to Firefox 2 so may be the stability will be the same.
More info can be found at
So If you are desperate about the Firefox 3 just try it and give the feedbacks here.