Update: Edge just updated itself, even though it shouldn't have. Guess I'll have to go through the above every 4 days until it's fixed.
New update: Now I followed exactly what I did the other day, and it doesn't work. Thanks Microsoft. Back to square one.
I hope v133 has the JSON Viewer restored.
New update: Had to download the latest v132,
Click the ellipsis (...) top right corner; select Close Microsoft Edge
check task manager to see edge processes gone. Leave task manager open.
Doubleclick the new installer in the downloads folder and yes to authorization. Let it run. Watch the activity in task manager.
When finished, go through the whole process above AGAIN!
Now, once again all my cookies are gone. I would like to see this settled soon.