Firefox 3.1 is based on the Gecko 1.9.1 rendering engine.
Firefox 3.1b1 New Features:
- Web standards improvements in the Gecko layout engine
- Added support for CSS 2.1 and CSS 3 properties
- A new tab-switching shortcut that shows previews of the tab you’re switching to
- Improved control over the Smart Location Bar using special characters to restrict your search
- Support for new web technologies such as the <video> and <audio> elements, the W3C Geolocation API, JavaScript query selectors, web worker threads, SVG transforms and offline applications.
Suggested Readings:
- Firefox 3.1b1 Release Notes
- The “Firefox 3.1 For Developers” article
- Mozilla Links: Firefox 3 Beta 1 reviewed
Download Shiretoko:
- Windows: Shiretoko Beta 1 Setup.exe
- Mac OS X: Shiretoko Beta 1.dmg
- Linux: shiretoko-beta1.tar.bz2