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Welcome to the Thunderbird Project's community page, with links to commonly requested information.

To get help or ask question please visit Thunderbird Support (SUMO).
To learn more, to discuss, to get involved, to help promote Thunderbird, to say "Thanks" see Get Involved.
To make a product suggestion or report a bug please use bugzilla.


Thunderbird is alive and well in 2020! Please help us keep it that way!

The Thunderbird product is developed and managed by the Thunderbird Project, which is collectively the community (both paid staff and volunteers) and the Thunderbird Council:

  • The community has continuously shipped releases with bug fixes and enhancements for many years. Read more at the Thunderbird Blog.
  • The community holds regular meetings to discuss important matters of common interest. Meetings are open to anyone interested in Thunderbird.
  • The Thunderbird Council is the governing body for the Thunderbird Project, and coordinates legal and fiscal matters on behalf of the community, and provides overall product strategy.
  • The Mozilla Foundation is the project's legal and fiscal home.

General information


How YOU can help and get involved ... Thunderbird is self-supported by its user community. We need and welcome you. Please give back to the community.

To get more information or talk to a human, or just to introduce yourself, see Thunderbird Communication Channels, especially the IRC channel. Again, we need users like you to help in one of the above areas. Please inquire today.


Thunderbird Project version numbers generally match up to Mozilla Firefox ESR and beta versions. (Unlike Firefox, Thunderbird releases versions between ESRs only as betas, for example 69-77 are betas only) Future ESR releases of Thunderbird upcoming are 78, 88, 98, etc.

Latest release

Upcoming releases

  • Version 78 and version 68:
    • Version 78 will be available in July. It is currently available as a beta.
  • Thunderbird does not release on specific scheduled dates, because we ship when code is ready and tested. We roughly track (i.e. do not strictly follow**) the ESR release schedule of Firefox. See the ESR column of RapidRelease/Calendar.
    • ESR Releases typically happen 1 week after published Firefox dates. But it could be more, because we ship when code is ready and tested. In other words dates cannot be accurately predicted. If you see a date you should take it with a grain of salt. If you do not see the "newest" version listed at the Thunderbird home page, do not worry, the new version is just not yet ready. New features and fixes happen as volunteers have time to work on them and fix them - there are no schedules for fixes and features which can be communicated to users. If you want new features sooner, then please help us test and code, or use the beta mentioned above.
    • Release Driving - How releases move towards completion

Past releases


The Thunderbird council is an elected body of 7 members. See about the Council and Community for more information. See more information about the council elections.

Past Councils

    • 2020:
    • 2019:
    • 2018:
      • Election results: Patrick Cloke, Philipp Kewisch (Chair), Jörg Knoblach, Philippe Lieser, Magnus Melin, Wayne Mery, Ryan Sipes
      • 2018 Electoral Roll
    • 2017:
      • ELection results: Ben Bucksch, Patrick Cloke, R Kent James (Chair) Philipp Kewisch, Jörg Knoblach, Magnus Melin, Wayne Mery
      • 2017 Electoral Roll - Electoral Roll.
    • 2014:
      • The initial Thunderbird Council was elected at the first Thunderbird Summit held in Toronto, Canada in the fall of 2014: Mike Conley, Joshua Cranmer, R Kent James (Chair), Philipp Kewisch, Magnus Melin, Wayne Mery, Florian Quèze.

Related and Older links

These links are outdated or from past management teams, and do not reflect current plans and priorities.