date." prefix sounds good, and the ordering checks out OK via conda/conda/version.py. It's in PR #1315.
2.* version on OSX: builds for OSX are currently skipped. If you can alter the current recipe to add your clang-only build for OSX, it would be better than having no Mac builds. If we can preserve the current linux build with OpenMP, we should.
Paging , since you've worked on the recipe for the