First export from translatewiki with https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1249090
- Verify autonym correctness in language-data
- Add to Wikifunctions's language list in function-schemata: https://www.wikifunctions.org/view/lkt/Z1271
- Add to includes/Languages/Data/Names.php(Patch)
- Add to RELEASE-NOTES
- Add MessagesLkt.php
- Add namespace translations (provided here)
- Add $linkTrail if needed
- Remove from translatewiki after deploying the core change(patch)
- mw-config/LanguageSettings.php
- Test language search in UniversalLanguageSelector and fix the search index (if needed)