I enjoyed it.
Don't be swayed by all the JKR haters who have run this film down to slake their dislike of her and her comments (Which have been wilfully misunderstood)
It's OK a bit 'clunky ' I didn't like some of the character development and thought one actress scenes had more pushed into them to take up what would have been scenes performed by another actress..
Loved the payoffs in the last act.