[mitchty]

Maybe they just don't want to deal with open sourced stuff for 1.0 Reference the arm64 stuff, I bet that the situation is that swift is in heavy flux (which if you follow Chris Lattner on the apple forums you realize they're changing things like crazy right now) and they just don't want to deal with people contributing to something that isn't quite ready. They already committed to saying they will introduce breaking changes in future releases. Maybe the whole team just doesn't have the time to deal with it, who knows, lets wait. Its not like C# suffered by not being open source from the start.

I wouldn't put that past Apple. Remember the more we antagonize them the more likely their legal team might go "not worth the effort just keep it in house".