Comment 20 for bug 1895643

Noted current status for different versions.

For 20.04 it's currently stuck in proposed with autopkgtest failures: https://people.canonical.com/~ubuntu-archive/proposed-migration/focal/update_excuses.html#thunderbird

enigmail is there, sort of naturally, but also jsunit which Debian has now removed from unstable: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=974083