I haven't seen any other reports of this issue recently from players with Macs. And judging from the other threads here, there are plenty of players running Big Sur; I'd expect at least a few of them to also use the in-game sign-ins. ...
9. Click Reset to reboot the appliance with the Sentry ISO. After the image is installed, on the JViewer console, the Sentry installation welcome screen and prompts display. Select the appropriate installation option. Next steps Go to "Using the setup wizard to complete Standalone Sentry ...