update some links
[https://www.thunderbird.net/en-US/thunderbird/releases/ Thunderbird Project version numbers] generally match up to Mozilla Firefox ESR and beta versions. However, for Thunderbird ONLY ESR and beta match up. (Thunderbird does not release 69, 70, 71, etc) Future ESR releases of Thunderbird upcoming are 78, 88, 98, etc.
== Latest release ==
* Get the current '''release''' of Thunderbird from '''[http://www.
getthunderbird. com/ getthunderbird. com]'''.* Get the '''beta''' from [https:// www. mozilla.org/thunderbird/channel / the future of Thunderbird].
== Upcoming releases ==
* Version 68 and version 60:
== Past releases ==
mozilla. org/en-US/thunderbird/releases/ View past release notes]
* [https://releases.mozilla.org/pub/thunderbird/releases/ Download past releases]