Inspector Window is Blank

After I upgraded my Mac OS to 12.6.7 the Unity Inspector window is coming up blank for all the projects for all Unity versions (Unity 2019.x and Unity 2018.x)
The ProjectSettings.asset files look fine and the app runs in Editor. The Inspector displays meta data for all other game objects when selected. But nothing comes up for the project itself. Anyone have some suggestions?

Perhaps this?

tofu fonts and / or blank buttons:

I read recently this can be fixed by specifying OpenGLCore in the preferences, as follows:

Thank you for your quick suggestion. I am trying this right now.