We were there today. The good news is that crowds were light. We rope dropped without early entry and rode tons of rides. Our longest wait was 25 min. We did not purchase
Genie+ or any ILL.
We rode/experienced BTMRR (twice), Space Mtn, Rise of the Resistance, Smugglers Run, Jungle Cruise, Pirates, Great Moments with Mr Lincoln, Horseless Carriage, Peter Pan, Dumbo, Tea Cups, Buzz, Star Tours, It’s a Small World and 1.5 Grand Circle Tours. In approx that order, and we finished riding everything by 5pm to change for a 5:20pm Club 33 reservation.
We brought a super well insulated vacuum bottle that was mostly ice, some water, and topped it off throughout the day. We also brought a washcloth each and eventually used some of our ice water to mop our brows.
Otherwise, no special heat busting devices. Just took it easy, sat and relaxed in A/C intermittently, drank plenty of water. We had a great day. The heat really did keep crowds down. You can do it!