Thunderbird Release Notes

Release notes for each version of Thunderbird.

Involucrate

Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.

Join Us

Make a Donation • Get Support • Informá sobre una falla

Thunderbird

Thunderbird es una aplicación gratuita de correo electrónico que es fácil de configurar y personalizar, ¡y está repleta de maravillosas funcionalidades!

The Future of Thunderbird

Experience cutting edge features. Provide feedback to help refine and polish what will be in the final release.

Thunderbird Daily

Help us test the newest developments made to Thunderbird every day by using the unstable Daily channel.

WARNING! Daily is an unstable testing and development platform, make sure you back up important data regularly!