I'm not going to go through the whole list, but these are the rules changes (as numbered in the official list) that were passed by the drivers and confirmed by the E-Board: 1, 3, 6, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, and 27.
Now, rule change 1 was the change to...