Launchpad currently recommends translating glib2.0 in Ubuntu Bionic.

Template "glib20" in Ubuntu Bionic package "glib2.0"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1131 1131 0 0
Dakota 100.00  100.0% untranslated 1131 1131 0 0
Hawaiian 100.00  100.0% untranslated 1131 1131 0 0
Inuktitut 100.00  100.0% untranslated 1131 1131 0 0
Lakota 100.00  100.0% untranslated 1131 1131 0 0
Ojibwe 100.00  100.0% untranslated 1131 1131 0 0
Spanish 000.00  100.0% translated 0 0 16 16 2018-04-13 11:21:19 UTC 2018-04-13 Daniel Mustieles
Tlingit 100.00  100.0% untranslated 1131 1131 0 0
Yiddish 092.84  7.16180371353% translated  92.8381962865% untranslated 1050 1050 3 3 0 2018-04-13 11:19:42 UTC 2018-04-13 Raphael Finkel
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of glib2.0 in Ubuntu