We went Tues 2/21, first show (7:15), ADR side. It was definitely a bottleneck getting through Dinoland, but we were mostly expecting it. Lots of CMs with lit signs directing to the exit. It was only our 3rd day and we were still getting the hang of the Express bus - I think it would have been a LOT easier to cut around to the back and catch the Express bus elsewhere than try to get out the front!
Other than that, it was Disney World post-show exit crowded - nothing too horrible.