> Further, Freecad 0.17 depends on Qt4, which is 32bit, and hence, not compatible with Catalina.
As they said in "Independance Day" ... Uhmm, Mr. President, that may not be entirely accurate: http://packages.macports.org/qt4-mac/qt4-mac-4.8.7_9.darwin_18.x86_64.tbz2