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The release candidate of Firefox finally moves the new edition of the open-source browser out of its beta stage where it has seemingly been forever. Improved performance is the forte of Firefox 4, which, if no major bugs are found, could be generally available as soon as the end of March.
The good news is that Firefox 4 has been under development for a long time and subsequent releases of the browser might follow quickly later this year.
While IE has been losing market share and Firefox has been treading water, Chrome has been steadily gaining share and all versions of the browser combined now account for more than 10 percent of the browser market.