FYI the mac version doesn't work in OSX Catalina without some terminal interventions (I had to chmod + x the executable to get it to to open)
Seems like I need a mac running Catalina to pull some sort of post-build xcode magic and validation process. I just don't have the hardware or time for this...
https://gist.github.com/dpid/270bdb6c1011fe07211edf431b2d0fe4