Changes

More details on contents of releases can be found in the [https://www.mozilla.org/firefox/releases/ release notes archive] or [https://en.wikipedia.org/wiki/Firefox_release_history Wikipedia: Firefox release history] (the page seems to be merged and then removed, if it's not reverted, you can find the removed content in [https://en.wikipedia.org/w/index.php?title=Firefox_version_history&oldid=881652551history] has removed content) ).