First export from translatewiki with https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1054426
- Verify autonym correctness in language-data
- Add to Wikifunctions's language list in function-schemata
- Add to includes/languages/data/Names.php (patch)
- Add to RELEASE-NOTES (patch)
- Add namespace translations (patch)
- Check that namespace translations don't conflict with language codes
- Remove from translatewiki after deploying the core change (patch)
- mw-config/LanguageSettings.php