2016

Mozilla to Ship TLS 1.3 in Firefox 52
2009

Mozilla Developer News » Blog Archive » Firefox 3 about to get a major update
Starting a little later tonight, users with the latest version of Firefox 3 will be getting an offer to update to Firefox 3.5. If you’re running Firefox 3.0.13 you will see the offer in the next couple of days, though if you’re eager you can always “Check for Updates” in the “Help” menu.
2008

Mozilla Developer News » Blog Archive » Firefox 2 about to get a major update
2007

Mozilla Developer News » Blog Archive » Rollout of Major Update for Firefox 1.5 to 2.0
2006
2005

Next Mozilla Firefox will be called version 1.5
