Mozilla Releases Firefox 9.0

December 20, 2011

The folks at Mozilla have released a new major version, 9.0, of their Firefox browser for Mac OS X, Windows, and Linux.  The new version incorporates a new version of the JavaScript engine, which uses Type Inference; this should produce some significant improvements in JavaScript performance.  Other changes include:

There are also user interface improvements for Mac OS X Lion, and six security fixes, four of which are rated Critical.  More information is available in the Release Notes.

You can obtain the new version via the built-in update mechanism (Help / About Firefox / Check for Updates), or you can download a complete installation package, in a variety of (human) languages.

Update Wednesday, 21 December, 20:28 EST

The WebMonkey site has a review article discussing the changes in Firefox 9.0.

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