Late Tuesday, Mozilla.org released version 5.0 of its Firefox web browser. The new version stands as an 27.8 megabyte download offered the following fixes and changes:

- Added support for CSS animations.

- The Do-Not-Track header preference has been moved to increase discoverability.

- Tuned HTTP idle connection logic for increased performance.

- Improved canvas, JavaScript, memory, and networking performance.

- Improved standards support for HTML5, XHR, MathML, SMIL, and canvas.

- Improved spell checking for some locales.

- Improved desktop environment integration for Linux users.

- WebGL content can no longer load cross-domain textures.

- Background tabs have setTimeout and setInterval clamped to 1000ms to improve performance.

- Fixed several stability issues.

- Fixed several security issues.

Firefox 5.0 requires an Intel-based Mac and Mac OS X 10.5 or later to install and run.

If you’ve tried the new version and have any feedback, let us know.