-Firefox-
What’s new:
Support for SPDY networking protocol v3
WebGL enhancements, including compressed textures for better performance
Optimized memory usage for add-ons
JavaScript debugger integrated into developer tools
New layout view added to Inspector
The CSS word-break property has been implemented.
High precision event timer implemented
New responsive design tool allows web developers to switch between desktop and mobile views of sites
Native support for the Opus audio codec added
The element now supports the media attribute
The and elements now support the played attribute
Download Firefox beta 15.0b2
