The idea of sharing the DerivedData folder seems great except that it doesn't appear to be working as expected for me. I've been trying to switch back and forth between running tests with AppCode vs xcodebuild and it seems that every time I switch, I have to wait for a long rebuild. This is a pretty large swift project that is already slow to work with (3 minutes for a full build) and this is not making it any better.
I think I'm going to have to rollback to the previous EAP build until this gets resolved. Is anyone else seeing this?