If you want to see how things should work go to the RapidComposer v3 Beta Feedback And Discussion (Bugs, Features, Suggestions) forum and watch how it works, it just flows, bugs are reported and fixed, new features are suggested and implemented overnight, not ten years down the track.
The Win & Mac versions are the same and released at the same time with Cross-Platform app development.

I said this years back programming language upgrade delphi to c++ and now Apple have announced Mac OS X will only run 64bit apps in 2018.