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Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 91.9.0, first offered to channel users on May 3, 2022
A warning is now displayed if an OpenPGP key has unsafe attributes that are ignored; See support article.
OpenPGP integration in Thunderbird 91.8.0 and 91.8.1 did not allow SHA-1 key signatures
macOS disk image graphics updated
CalDAV calendars were marked read-only on startup
Task creation field on macOS incorrectly displayed a search icon
Various security fixes