Different circumstances but I'm going through similar, I would say yes list your concerns but you very much want to do so in a safeguarding aspect so as to be seen to still have the best interests of the child at heart. Also, as hard as it will be don't shut down the idea of contact at all, perhaps instead saying you feel stepped contact would be better to build their relationship in the first instance with a view to increase over time. Bad mouthing the other parent as justified as it often is can be seen as parental alienation. X
It's important that you are not emotional or show any sign of resentment otherwise they will think you are biased and are acting upon revenge
100% tell them everything off the bat! And get as many character references backing you up aswell and write down as many times you can remember him being like it too x