The long-awaited final version of Firefox 4 is facing more delays and will struggle to make its anticipated February release date.
Christian Legnitto, a Firefox release manager at Mozilla, wrote late last week that the beta 12 version of the browser will be delayed while the development team waits for a final list of "betaN hardblockers", or bugs.
However, while beta 12 was assumed to be the final test version, Legnitto warned that the team may yet require another beta to iron out all the problems. The delays mean that Firefox 4 is unlikely to ship this month.
"The bugs blocking beta 12 are expected to be fixed in the next day or so. At that point we will freeze nightlies and then create the beta build when we are confident of quality," he wrote.
"Beta 12 is currently planned to be the last beta (by definition due to not having any betaN hardblockers after it is created), but we still might need a beta 13 if issues found in beta 12 need beta coverage before a release candidate."
However, Asa Dotzler, a community co-ordinator for Firefox marketing projects, was a little more optimistic about the release date.
"From what I can tell, there are only seven unwritten patches standing between Firefox 4 and hundreds of millions of users. yay :-)," he said in a Twitter post this morning.
Statistics released at the start of January show that Firefox is now Europe's most popular browser, having finally knocked Internet Explorer off top spot, although they both face stiff competition from Google Chrome, which jumped by 9.52 per cent to end the year on 14.58 per cent.
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