This is a common misconception. You should read https://blog.mozilla.org/nnethercote/2012/08/29/debunking-a-misconception-about-firefox-releases/ https://blog.

This is a common misconception. You should read https://blog.mozilla.org/nnethercote/2012/08/29/debunking-a-misconception-about-firefox-releases/ https://blog.mozilla.org/nnethercote/2012/08/29/debunking-a-.... (Forgive me for replying twice to your comment; this comment prompted me to go do some research and write that post.)