I just finished watching the movie, and... i REALLY wish this movie came out first then the Whedon version. All the parts (or chapters) is great, the acting is good, the cinematography is amazing, the humor is even better and run smoothly here, and the music here is pretty good. The CGI most of the time is fascinating, while can look bad in some scenes. Zack Snyder really improved the JL he created.
However, even with some improvements, there is flaws, like a lot. The pacing is all over the place, sometimes slow sometimes fast, some of the scenes are just underwhelming, and it feels bloated with storylines after storylines that it feels confusing.