There is not a single paper I published that I wouldn’t have changed in retrospect. Usually it’s because I regret giving in too quickly to bad “suggestions” from referees. But even when I was happy with the final version of the paper when I submitted it, I see things differently after a couple of months. Luckily, the journal system, with all its faults, at least don’t let us keep rewriting our papers. Otherwise, we might have got this