When loading any prior saves - the game will crash open world combat fights. Texture re-vamp is accessing I assume files that either no longer exist, or too many new features not in the proper ini files. Crashed on a caravan battle and a looter fight 5 minutes into loading the newest branch.
I believe if you leave current Kingdom, you have a chance to form your own kingdom as well. I'm not one hundred percent sure on this, but I do believe that is an option.
It is near impossible to get positive relations, for every fort capture etc. It should be a positive relation with your current faction. Also, Probably put in the feature from warband where you can ask for a fort to be awarded to you. I've captured more than half of a region before and only...
The city of Iyakis will not allow for you to siege. Everytime I enter an army or attempt to siege it, it crashes.
Also, snow Biome fort the ladders deploy the troops above the wall on the roof of the stone fort. Troops will also not engage the ladders or the fort castle gate.