Prior to Mac OSX update to Big Sur (11.4) Processing 3.5.4 would successfully overwrite any existing application.macosx export (with embedded Java option). Now it does not unless the application.macosx folder and its contents are first deleted. Error starts as:

Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: Unable to load library 'CoreServices': Native library (darwin/libCoreServices.dylib) not found in resource path. ..................