Mozilla Firefox specifications

Browsers: Chrome Extensions; Firefox Add-ons & Plugins; Internet Explorer Add-ons & Plugins; Newsreaders & RSS Readers; Offline Browsers; Other Browser Add-ons & Plugins; Web Browsers

Security fixes can be found here.
Java applets sometimes caused text input to become unresponsive (bug 718939)
Most add-ons are now compatible with new versions of Firefox by default
The forward button is now hidden until you navigate back
Anti-Aliasing for WebGL is now implemented (see bug 615976)
CSS3 3D-Transforms are now supported (see bug 505115)
New bdi element for bi-directional text isolation, along with supporting CSS properties (see bugs 613149 and 662288)
Full Screen APIs allow you to build a web application that runs full screen (see the feature page)
We've added IndexedDB APIs to more closely match the specification
Inspect tool with content highlighting, includes new CSS Style Inspector
Mac OS X only - after installing the latest Java release from Apple, Firefox may crash when closing a tab with a Java applet installed (700835)
Some users may experience a crash when moving bookmarks (681795)
Silverlight video may not play on some Macintosh hardware (715396)

Operating systems Mac OS X 10.7, Mac OS X 10.5 Intel, Mac OS X 10.6 Intel, Mac OS X 10.6, Mac OS X 10.5
Additional requirements Not available