My lovely and daily browser Mozilla Firefox 4.0 will be released in March 22, 2011. Is everything under control and run without any worries Final Version Mozilla Firefox 4 will be available on that date. So you can began download Mozilla Firefox 4 Final Version on that date.
On the Official Firefox Forum, Damon Sicore from Mozilla has said
“As of now, there are no known issues that would stop us from shipping RC1 as final. (…) March 22nd is the day we would ship,”
I have enjoy Mozilla Firefox 4.0 Release Candidate and everything Smoothly… You can Download Mozilla Firefox 4.0 here