Autonym according to Ethnologue: Waalii.
- Add to language-data (patch)
- Run src/util/ulsdata2json.php before adding
- Run src/util/ulsdata2json.php after adding
- Add to translatewiki configuration
- Add assistant languages to mw-config/FallbackSettings.php (if needed)
- Deploy configuration to translatewiki
- Update jquery.uls and jquery.ime in the ULS extension
- Deploy ULS to translatewiki
- Create the translatewiki language portal
- Update the translatewiki language portal to indicate that the language is enabled
- Enter the autonym in the Wikimedia Portals project