Yes, through the UCP (unofficial crusader patch) you can fix bugs, tweak certain game aspects and even replace AI files to get new and diverse AI lords. Creator channels are linked in the description, they all have links and videos for their respective modpacks :D
Yes mods :) Here is a tutorial how to install them if you are interested: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Mt9lwrBu2nY.html&ab_channel=gigi