Tab management has also taken a great leap forward. Users can bundle sets of tabs into different groups, under a feature called Panorama. They can add small permanent tabs to the top of the browser, for those pages and applications they continually keep open.

For the first time, Firefox will allow users to synchronize their bookmarks across different computers and even with Android-based mobile phones. This is also the first version of the browser to include the Do Not Track feature, which can alert website owners if the user wishes to opt out of third-party Web tracking.

The release candidate is available for the Windows, Mac and Linux platforms, and supports more than 70 languages. Current users of the beta version .

The IDG News Service