It points (by default) to https://translatewiki.net/wiki/Project:Translator which is not very useful.
It seems to be useless, because
- If user is in a sandbox, they can access Special:TranslationStash
- If user is not in a sandbox, they can post message to [[Support]] to request rights (to my knowledge only very few such users exist), because the right has been given by default to all new signups for years. These users won't be accessing Special:TranslationStash