We had a great time! Entered the park around 7 (they had been letting people in for a while though; we just had other plans) and had time for Barnstormer, Dumbo, small world and trying the candy corn milkshake before the fireworks. Rode BTMRR twice during the fireworks! Tried for Splash but it went down just as we were boarding. Smoke from the fireworks, they said.
Time for Peter Pan (10 min wait), carousel, haunted Mansion, tangled lantern photo, Jungle Cruise, Pirates, and 3x in a row on 7DMT. Done by 11:20 (we’re near the end of an action-packed trip).
Crowds were super low - excellent. After 9:30, everything was practically a walk-on. The app said 15m for some character meets and 5-10 for everything else.
Totally worth it; I hope they keep having this event and don’t oversell it!!