- Made some changes to how we allow third party software to integrate with Firefox in order to prevent crashes.
- More than 70 fixes from the last beta to improve performance, stability, security and features.
- The ability to run scripts asynchronously to speed up page load times.
- Users can now change their browser’s appearance with a single click, with built in support for Personas.
- Firefox 3.6 will alert users about out of date plugins to keep them safe.
- Open, native video can now be displayed full screen, and supports poster frames.
- Support for the WOFF font format.
- Improved JavaScript performance, overall browser responsiveness and startup time.
- Support for new CSS, DOM and HTML5 web technologies.
- Developers can find out about all the changes and new features at the Mozilla Developer Center.
- Made some changes to how we allow third party software to integrate with Firefox in order to prevent crashes.