I agree with this. I was disappointed when I had the rogue join my party and realized cunning action was reduced to dash.... I get they were afraid of making the battles feel too slow, and I respect how they tried to fix that, but it came at the cost of one of the classes core abilities, and frankly I don't see it as an improvement. I feel like Disengaging should be a more tactical desicion, not something everyone is free to do at any time.