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Firefox 9 released by Mozilla, Firefox 10 now in beta

Mozilla has finally released Firefox 9 on Tuesday, claiming that this new version can process JavaScript up to 36% faster than before. This new version is also said to have six security vulnerabilities patched and several memory bugs fixed.

Firefox 9 implements a new technology called “type inference” which allows the browser’s JavaScript engine to process JavaScript code much faster than before, which ultimately leads to performance improvements when loading pages or JavaScript apps.

While the Windows version of Firefox 9 did not have any noticeable interface changes, Mozilla tweaked Firefox’s interface on Mac OS X 10.7 to support Lion’s two-fingered swipe gesture for navigating backward and forward through already-viewed pages or sites, from what ComputerWorld reports.

Included in the update were several patches and memory fixes to address security vulnerabilities and memory bugs. “Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code,” Mozilla stated.

Mozilla announced recently that the company was working hard on implimenting a silent update mechanism for its popular Firefox browser. Currently planned for Firefox 10, this new silent update mechanism would minimize the amount of time it takes Firefox to launch after downloading an update.

Firefox 10 has just begun its beta program and is set for release on January 31st of 2012.

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