The next major release of the browser had originally been scheduled for a March debut. However, Goodger said the release date had to be pushed back because of "the realities of the work remaining to be done," including a lot of bug fixes and testing to ensure a stable application.Read more at BetaNews
Firefox 1.1 to be delayed

The Firefox lead enginees Ben Goodger - which also works for Google - announced last week that Firefox 1.1 will be delayed.