This update for MozillaThunderbird fixes the following issues:
{ "binaries": [ { "MozillaThunderbird": "78.8.0-8.15.4", "MozillaThunderbird-translations-other": "78.8.0-8.15.4", "MozillaThunderbird-translations-common": "78.8.0-8.15.4" } ] }