@Drago and others, here is the submitted bill. Nothing has been passed yet.
https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2024-HIB-5532.pdf
Edited: the definitions below and the bolded text at the bottom are essentially the sole changes to the existing law:
"Wake boat" means a vessel that is equipped with wake enhancing equipment. Wake boat includes, but is not limited to, a wake surf boat and a ballasted boat.
"Wake-enhancing equipment" means ballast tanks, ballast bags, compartments, containers, or similar devices or mechanical systems designed to enhance the characteristics of a boat's wake.
"Wake sport mode" refers to operation of a wake boat with wake-enhancing equipment engaged.
A person shall not operate a vessel in wake sport mode on waters of this state where the water depth is less than 20 feet. A person operating a vessel in wake sport mode shall maintain a distance of not less than 500 feet from the shoreline or a dock, a raft, a buoyed or occupied bathing area, or a vessel moored or at anchor.