To be able to have labels and descriptions for these languages in Wikidata and Structured data on Commons, sju Ume Saami, sjd Kildin Saami, and rmf Finnish Kalo should be added to wmgExtraLanguageNames in InitialiseSettings.php for wikidata and commonswiki.
rmf needs to be added also to WikibaseContentLanguages.php:getDefaultMonolingualTextLanguages() to enable it as monolingual text language.
langcode | langname | autonym |
sju | Ume Saami | ubmejesámiengiälla |
sjd | Kildin Saami | кӣллт са̄мь кӣлл, кӣлтса̄мь кӣлл |
rmf | Finnish Kalo | kaalengo tšimb |