Mozilla may release an eighth beta of Firefox 4 before heading to Release Candidate, as the open-source developer struggles to get the new browser out of the door.

Mozilla released the first beta of Firefox 4 in early July, but has since added a flurry of new features – such as App Tabs and Panorama – in successive betas, increasing the complexity of the release.
The Mozilla release schedule has a seventh beta pencilled in for the second half of this month, although there’s speculation that an eighth beta might be issued before a release candidate, which isn’t due until the second half of October.
In the meantime, Mozilla has a mountainous list of bugs to work through. The blockers list of bugs that need to be fixed pre-launch currently stands at 753 entries.
Mozilla’s weekly meeting notes state that the developers are overdue on the release of beta 7 because of the extensive blockers list, which could have a knock-on effect for future releases.
However, there will be no new user interface or platform features added after the seventh beta, as Mozilla tries to get the job done.
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