Here is an update on my status. I uninstalled Photoshop and reinstalled it. No change. I reset preferences on quit and it made no difference.
I did find a work around however. In my case, this seems to be a video issue. I discovered the path is there. If I click a point, click another point and so on, say around a square shape, when I come all the way around and join the beginning point the full path is there. Curves work, everything works but one cannot see the path. What I discovered however is that if I click on the sliding bar below or beside the image to move left/right, up/down, the video resets and the full path shows.
In a more complex test. I started a path, did several curves and between each one clicked on the positioning bar and the path displayed. Total hassle but it works.
I've also noticed that the boundary boxes are not visible when I zoom out but if I click out of the frame, they display. I'm beginning to wonder if there is something going on with the way Photoshop is refreshing the video.
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