Just chiming in with our experiences, stayed in a Tower room Jul 31-Aug 5. Was leery of the reports on the elevator situation and considered switching to Garden, but glad we didn't. Had absolutely no issues catching an elevator at any time - I think maybe 3-4 times total we had to wait for a second car, but each time one came immediately and we were right on our way.
Transportation also was no issue (although we did not RD or stay until park close), we were always able to catch the first bus with no problems. I dare say we got luckier with the buses than on a "normal" trip. On the Monorail, quick temp screens and the "touchless" bag checks were the only things different than normal. The only transportation quirk overall was the night we had dinner reservations at Grand Floridian Cafe at 7:40. Since the monorail does stop running shortly after MK closing, they switch to a bus for the inter-resort (CR/Poly/GF) loop, and we had to catch that on our way back. Per the bus driver, they only have one bus running on this loop, so depending on timing, you may wait a while (we were fortunate and waited less than 10 mins.)
Only did the pool once, plenty of available seats, and while busy did not feel crowded.
For dining, we ate at The Wave twice - once in the lounge and once in the dining room, and had great experiences both times. We did miss the Outer Limits bar - since the Wave is out of the way and they were limiting occupancy in the bar/lounge it would have been nice to have another option for adult drinks. Contempo Cafe was alright, mobile ordering was a little inconsistent; there were times we ordered cold items and waited quite a while and other times ordered cooked items and they were ready in minutes.
Overall, had a great trip, things are definitely different, but overall the CMs at CR were great, very welcoming, and made us feel at home and safe.