MarsSeed [1] filed a deletion request for thunderbird-60-bin [2]: This insecure EOL foreign-built binary from 2019 is no longer useful. Once an IMAP connection is set up, the application crashes, and then it does so every time on startup. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/thunderbird-60-bin/