Odd. I actually find the combat a lot easier than floris. I'm actually so comfortable with it that I have set the damage difficulties to standard damage, something I didn't do even on native before I started using mods. I have my mod difficulty set to hard. Most bandit parties are still small (less than 40) but I have seen some deserter parties running around with 100+ members. I think the size may scale to your level and/or warband size.
What I have noticed is it does increase is quality of faction ai opponents. I attacked a caravan once without looking at what was in it and my khergit skirmishers got rocked by veteran rhodok spearmen and crossbowmen, when caravans used to be just raw recruits and a few caravan guards in other mods and native. Had to run away with my warband down 20 men and the caravan hardly scratched. Also when looking at opponenst armies they have much more top tier or just under top tier troops than they used too, indeed usually the majority of their army is composed of veterans or higher, again looking at rhodoks because that's who I'm at war at the moment with but most other countries seem to be similarly upgraded.