"Firefox 3.0 is not yet officially out the door but Mozilla developers already have a plan--and a timeline--for Firefox 3.1. The draft plan--as it is currently being floated on the Mozilla developer lists--is for Firefox 3.1 to be released within six months of the release of Firefox 3. Considering that the final Firefox 3 is likely within a matter of weeks that would mean we'll see Firefox 3.1 in 2008.
"The release of Firefox 3.1 will also mark the likely end of life for support of the current Firefox 2.x browsers. The plan (as it has been since the release of Firefox 1.5) is to have security/stability updates once every two months or so, until the next 'feature' release--which is Firefox 3.1..."
