Launchpad currently recommends translating gtk+3.0 in Ubuntu Eoan.

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

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1678 1678 0 0
Dakota 100.00  100.0% untranslated 1678 1678 0 0
Hawaiian 100.00  100.0% untranslated 1678 1678 0 0
Inuktitut 100.00  100.0% untranslated 1678 1678 0 0
Lakota 100.00  100.0% untranslated 1678 1678 0 0
Ojibwe 100.00  100.0% untranslated 1678 1678 0 0
Spanish 000.95  99.0464839094% translated  0.953516090584% untranslated 16 16 0 5 5 2019-04-20 09:48:38 UTC 2019-04-20 Rodrigo Lledó
Tlingit 100.00  100.0% untranslated 1678 1678 0 0
Yiddish 097.79  2.20500595948% translated  97.7949940405% untranslated 1641 1641 0 0 2019-02-23 12:12:34 UTC 2019-02-23 Raphael Finkel
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Template "gtk-3.0-properties" in Ubuntu Eoan package "gtk+3.0"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 2244 2244 0 0
Dakota 100.00  100.0% untranslated 2244 2244 0 0
Hawaiian 100.00  100.0% untranslated 2244 2244 0 0
Inuktitut 100.00  100.0% untranslated 2244 2244 0 0
Lakota 100.00  100.0% untranslated 2244 2244 0 0
Ojibwe 100.00  100.0% untranslated 2244 2244 0 0
Spanish 000.04  99.9554367201% translated  0.0445632798574% untranslated 1 1 2 2 0 2019-10-09 08:33:23 UTC 2019-10-09 Paco Molinero
Tlingit 100.00  100.0% untranslated 2244 2244 0 0
Yiddish 070.81  29.1889483066% translated  70.8110516934% untranslated 1589 1589 0 0 2019-02-23 11:47:21 UTC 2019-02-23 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