I recently went, largely because I was afraid things might shut down again later. I was super cautious everywhere and made decisions on where to spend my time based on ease of maintaining distance from others and limited indoor dining. I went to Epcot and AK for the space and outdoor activities. These two parks consistently had the lowest ride times, which also means limited time hanging out around people. I think I would have been too stressed at MK, longer waits for rides and more little kids, who touch a lot of things.
I also purposely avoided Disney Springs and did not go off Disney property as I wanted to limit contact with Florida residents.
To be honest, my favorite part of the trip was spending the afternoon at the pool and hanging out in the Magic Kingdom resort area but not going in MK. I feel the "magic" there more and really like Chef Mickey's breakfast, although it is a lot of money for average food, the atmosphere was very nice and I felt safe in the The Contemporary because of the massive ceilings and outdoor air regularly getting in around the monorail.
I would also recommend weekday trips/visits. Activity picked up on Friday and Saturday, and out of abundance of caution, the weekdays would be better for theme parks and better to leave on the weekend or hang out at the resort pool. A lot is shutdown, and I'll admit I missed not being able to be in parks after dark, especially in the summer heat. Missed fireworks as well and in general felt the food everywhere was worse than before. At least I supported Disney in some way, but if not for the pandemic, I would be much more unhappy about the money I spent on food and the quality in return.