Launchpad currently recommends translating gtk+3.0 in Ubuntu Jammy.

Template "gtk-3.0" in Ubuntu Jammy package "gtk+3.0"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1693 1693 0 0
Dakota 100.00  100.0% untranslated 1693 1693 0 0
Hawaiian 100.00  100.0% untranslated 1693 1693 0 0
Inuktitut 100.00  100.0% untranslated 1693 1693 0 0
Lakota 100.00  100.0% untranslated 1693 1693 0 0
Louisiana French 100.00  100.0% untranslated 1693 1693 0 0
Ojibwe 100.00  100.0% untranslated 1693 1693 0 0
Pennsylvania German 100.00  100.0% untranslated 1693 1693 0 0
Spanish 000.00  100.0% translated 0 19 19 5 5 2022-04-27 17:48:20 UTC Adolfo Jayme Barrientos
Tlingit 100.00  100.0% untranslated 1693 1693 0 0
Yiddish 097.81  2.1854695806261075% translated  97.8145304193739% untranslated 1656 1656 0 0 2021-09-04 08:18:42 UTC Raphael Finkel
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Template "gtk-3.0-properties" in Ubuntu Jammy package "gtk+3.0"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 2242 2242 0 0
Dakota 100.00  100.0% untranslated 2242 2242 0 0
Hawaiian 100.00  100.0% untranslated 2242 2242 0 0
Inuktitut 100.00  100.0% untranslated 2242 2242 0 0
Lakota 100.00  100.0% untranslated 2242 2242 0 0
Louisiana French 100.00  100.0% untranslated 2242 2242 0 0
Ojibwe 100.00  100.0% untranslated 2242 2242 0 0
Pennsylvania German 100.00  100.0% untranslated 2242 2242 0 0
Spanish 000.00  100.0% translated 0 15 15 0 2021-09-04 08:29:51 UTC Daniel Mustieles
Tlingit 100.00  100.0% untranslated 2242 2242 0 0
Yiddish 070.79  29.214986619090098% translated  70.7850133809099% untranslated 1587 1587 0 0 2021-09-04 08:37:43 UTC Raphael Finkel
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of gtk+3.0 in Ubuntu