Per ISO 639-1 (language codes) it's UK for Ukrainian language https://www.loc.gov/standards/iso639-2/php/langcodes_name.php?iso_639_1=uk https://www.loc.gov/st

Per ISO 639-1 (language codes) it's UK for Ukrainian language https://www.loc.gov/standards/iso639-2/php/langcodes_name.php?iso_639_1=uk https://www.loc.gov/standards/iso639-2/php/langcodes_name.ph...