Were you in a caloric surplus the whole time? You didn't gain any weight and I'm just wondering if your caloric intake may have not been ideal.
Another thought: did you use your best max or a max you can hit with good form on any day? I'd run it with a max approx 10-15 lbs below that number of a lift you can get on any day this should help to keep bar speed up and allow you to push through those last few heavier weeks
Just brainstorming along with you