Well I meant, do you happen to have a link stating that? :)<p>&gt; When they bump the version number Nightly turns into Aurora turns into Beta turns into Release.<p>Not exactly. I guess you intentionally (over-)simplified that? Firefox actually follows trainspotting for their different release channels: <a href="https:&#x2F;&#x2F;hacks.mozilla.org&#x2F;2015&#x2F;04&#x2F;trainspotting-firefox-37-developer-edition-and-more&#x2F;" rel="nofollow">https:&#x2F;&#x2F;hacks.mozilla.org&#x2F;2015&#x2F;04&#x2F;trainspotting-firefox-37-d...</a>