ttj => Tooro (native name: Orutooro)
nyo => Nyoro (native name: Orunyoro)
Progress:
[x] [[ https://translatewiki.net/wiki/Support#Adding_new_languages:_Nyoro_and_Tooro | translatewiki request created ]]
[x] both languages added to translatewiki configuration
[x] [[ https://translatewiki.net/wiki/Special:Translate?filter=%21translated&action=translate&language=ttj&group=core-0-mostused | most important MediaWIki messages translated into Tooro ]]
[x] [[ https://translatewiki.net/wiki/Special:Translate?filter=%21translated&action=translate&language=nyo&group=core-0-mostused | most important MediaWiki messages translated into Nyoro ]]
[x] Tooro patch created (see T354519)
[x] Nyoro patch created (see T354926)
[x] Tooro added to [[ https://phabricator.wikimedia.org/source/mediawiki/browse/master/includes/languages/data/Names.php | Names.php ]]
[ ] Nyoro added to Names.php (but see [[ https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/changes/42/990042/1/includes/languages/data/Names.php | here ]])
[x] Tooro added to Commons
[x] Tooro added to all Wikimedia wikis*
[ ] Nyoro added to Commons
[ ] Nyoro added to all Wikimedia wikis
*When searching for a language to translate a Commons/MediaWiki page into, Tooro is only accessible via the language code (ttj). Searching "Tooro" and "Orutooro" comes up with "No results found".