Don't know if this has been mentioned or not so bear with me. If you open a room with tuning prohibited, you can no longer use the engine limiter to reduce your PP or HP even by 1 to fit your car into the regulations. On top of that, if you change the room back to unlimited tuning, the engine limiter function remains disabled. You have to close the room and reopen in order to be able to use tuning again.
I stared at this dumfounded for a few seconds. I was in total disbelief. First PD killed off Shuffle Racing and now they've turned Tuning Prohibited racing into
"whoever is lucky enough to have a car close to the PP limit wins"
Of all the 🤬 stupid, 🤬 🤬 things to put in the update