The Major update which Mozilla has brought with FireFox 8 is the improved Security, They've changed the way how Firefox handles Third Party Addons. Users can now disable or enable individual add-ons on first start with Firefox suggesting add-ons that may not work due to incompatibilities.
Other feature which they have included is that the new FireFox 8 can search for Twitter messages from the browser’s address bar and search bar.
Here are the following Bugs fixes and improvements Mozilla has added in FireFox 8:
- Add-ons installed by third party programs are now disabled by default
- Added a one-time add-on selection dialog to manage previously installed add-ons
- Added Twitter to the search bar
- Added a preference to load tabs on demand, improving start-up time when windows are restored
- Improved tab animations when moving, reordering, or detaching tabs
- Improved performance and memory handling
- Added CORS support for cross-domain textures in WebGL
- Added support for HTML5 context menus
- Added support for insertAdjacentHTML
- Improved CSS hyphen support for many languages
- Improved WebSocket support
- Fixed several stability issues
It's right now available through FTP Servers, Users who are not in a hurry can wait for Mozilla to Officially release FireFox 8.
Here are the links to different Mirrors.