Launchpad currently recommends translating thunderbird in Ubuntu Jammy.

Template "libgpg-error" in Ubuntu Jammy package "thunderbird"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 489 489 0 0
Dakota 100.00  100.0% untranslated 489 489 0 0
Hawaiian 100.00  100.0% untranslated 489 489 0 0
Inuktitut 100.00  100.0% untranslated 489 489 0 0
Lakota 100.00  100.0% untranslated 489 489 0 0
Louisiana French 100.00  100.0% untranslated 489 489 0 0
Ojibwe 100.00  100.0% untranslated 489 489 0 0
Pennsylvania German 100.00  100.0% untranslated 489 489 0 0
Spanish 019.84  80.16359918200409% translated  19.836400817995912% untranslated 97 97 0 0 2021-08-20 09:36:09 UTC Tails Developers
Tlingit 100.00  100.0% untranslated 489 489 0 0
Yiddish 100.00  100.0% untranslated 489 489 0 0
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of thunderbird in Ubuntu