Recently bought a steam version of KSP for Mac, but it won't start. After I placed KSP and Steam is security permission for "Full disk access" it begin to load. But eventually it stuck at "Loading bundle definition" and won't go any further. After 3-5 minutes of 100% CPU load it just closes itself with no luck. Method for a Sierra or change mod won't work for a Steam version cause it is already extracted, there is no KSP_osx file, and changing mode for KSP.app didn't make any difference.
Please help, maybe somebody got a solution for steam+catalina+ksp.
