Against better judgment I upgraded PyQt5 to 5.13.0 on both the Mac and Linux and still see the problem on Mac but not on Linux, so that suggests it's not directly related to the PyQt 5 version. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/tohojo/flent/issues/167#issuecomment-511459133