Virtual packages have been popular since their introduction with __cuda ( #8267 ). Since then we have added __glibc ( #9358 ), __osx ( #9349 ), and are now looking at architecture specific ones ( #9930 ). As the use cases here expand, wonder if we should begin discussing a plugin architecture for the community to supply virtual packages and how these can be enabled and which ones we include by default. Thinking about this in the context of maintenance, extensibility, ease of use, etc. Thoughts? 🙂