No walking button on PC version, movement feels weird without controller.

@nospaferr Same here. I wouldn't think of using a gamepad in a 3D game. Mouse-look is absolutely mandatory for me.
I, too, miss a walk-button, maybe coupled with the drop-button? Running around all the time is pretty unimmersive and makes platforming harder sometimes.
Another thing I really don't like, is that we changing target is always on moving the mouse, and there's no way to change that. Moving the mouse while fighting happens all the time when mashing buttons. Makes targeting a pain when fighting groups.