I like the idea of a Wikibase-powered OSM data repository, it is a pity that the WM Incubator is only for language versions of existing projects and not for new projects... OTOH, since Wikidata is (or is supposed to be) language-agnostic, couldn't we argue that domain-specific data projects are to wikidata what language editions are to wikipedia?

I wonder how hard would be to set-up a labs Wikibase instance for OSM developers to experiment with it? Or even if it would be enough interest?

Thanks,

Micru