«  Firefox 4  »
Go to Release channel

Release DateMarch 22, 2011
Release OwnerMike Beltzner
Nightly cycle length86 weeks
Beta cycle length144 weeks
Uplifts in BetaData cannot be extracted from mercurial (missing HG tags)
Uplifts in RC0 (0 backouts)
Total number of uplifts0
Release Candidates1
Dot releases1
Release notes Consumer notes Developer notes
Corresponding ESR release
Key Milestones
Nightly start October 24
Beta start July 6
4.0 March 22
4.0.1 April 28