MRI Developers Don't Use RubySpec and It's Hurting Ruby
Rubyspec is a great project for all the reasons Brian outlines.However, it's also a failure - in part, due to Brian and his attitude towards contributors. See this twitter conversation: https://twitter.com/the_zenspider/status/547527644535726080 He's been grinding on Rubyspec for years, bless him, but I think there's a reason why he was unable to rally the community behind his effort, both in terms of gathering more contributors and in making it "official" in terms of the language spec.JRuby, currently the only non-MRI ruby implementation that you can seriously consider for production use, runs the MRI test suite against JRuby. RubySpec is far from The Only Solution, though Brian would like you to think it is.