We're aware of at least one remaining bug that can cause the Mac client to quit unexpectedly. I know there are several threads but I am so lost it isn't even funny. Following the link below, please restart your Mac in Safe Mode, then uninstall and reinstall Family Tree Maker and see if you are still experiencing issues. There are similar issues but they appear to be resolved by using electron-builder 21.2.0.
The application quits with the message: quit unexpectedly. Mail app quit unexpectedly on Mac OS X 10.10 Yosemite Mail app quit unexpectedly on Mac OS X 10.10 Yosemite.
