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Thunderbird Release Notes

Thunderbird release notes are specific to each version of the application. Select your version from the list below to see the release notes for it.

Release notes for each version of Thunderbird.

The Future of Thunderbird

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

Thunderbird Nightly

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

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