Until then there is some understandable unevenness excusable by age, learning curve etc. but BoS already has a different air and especially Nightcrawler feels like made by somebody completely else, an idiot child perhaps because it strays so much from what came up to that point - it does not fit together at any level, elementary faults, seems non-commital to the point that it feels at times actively hostile or oblivious to the player, keys are apparently named and fit randomly and disappear a...
Yes near the little girl (aside the two more difficult ones).
Replayed MiM in Tfix 1.27 just for the sake of it and at one playthrough a small side quest didn't seem to properly reap reward (at another one did) (but was always slightly problematic (spoiler: the cigar smoking chap at the billiard table in the tavern is supposed to give you as a "former (and now fallen) hammer student" a holy water potion in exchange for his wanted dead cat (the potion is a special item that doesn't stack ...
I can just say that i only had this issue two times and it were both thief 1 missions. Every other mission, especially thief 2 missions run perfectly fine on the DarkLoader, for exampel the newest one"Matriarch" or some more complex ones like "The Violent End of Duncan Malveine", "Godbreaker", "Death´s Cold Embrace", "Looser", "Katharsis", the list goes on...
However, since theres no other explanation it has to be the DarkLoader. I wanted to try out the AngelLoader anyway: )