Mozilla delays Firefox 4 release until 2011

Mozilla today announced that it will delay the release of Firefox 4 until 2011.

The decision comes after several weeks of stalled progress on Firefox 4 Beta 7, which was originally slated to ship in mid-September but slipped as Mozilla ran into several stubborn bugs.

"Completing this work [on Firefox 4] is taking longer than initial estimates indicated as we track down regressions and sources of instability," acknowledged Mike Beltzner, director of Firefox, in a message posted to the mozilla.dev.planning mailing list Wednesday.

According to a just-revised timetable, Firefox 4 will now shift to release candidate status sometime in early 2011. Release candidate, often simply dubbed "RC," is the final stage of development before a software maker gives the green light for a final version.

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