Rhino 8 graphic issues

Fitzroy1191

Bit poster
I had been using Rhino 8 just fine on Parallels with Windows 11.
In the past few weeks Rhino 8 has become essentially unusable. Here are the current issues:
1. Clicking an item to select it does not highlight it. It is selected but there's no color change to let you know.
2. Turning layer visibility ON does not show the items on the layer until the window is clicked on.
3. Turning layer visibility OFF does not hide item - the bulb icon will now operate in reverse. The blue bulb shows the layer and the "illuminated" yellow bulb hides the layer.
4. One or more viewports will be black until zoom or pan is used.
5. Intermittently dialog boxes will appear blank until mousing over the active areas.

Does anyone have a fix for this?
 
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