@Morgan_Hardwood and team,
Here are the OSX builds. Please let me know if I broke anything. Thanks, Partha
https://www.partha.com/downloads/RawTherapee_OSX_10.9_5.0.0_gtk2.app.zip
https://www.partha.com/downloads/RawTherapee_OSX_10.9_5.0.0_gtk3.app.zip
They will find a more permanent location once I update my website as well as when they are uploaded to RT website.