I got these from reading/watching bonus stuff at the end of the film, and I thought they were really cool.
Ok, so before Moana sings "How Far I'll Go", she throwing sticks, right? Well, when the song starts, their gone! (I didn't realize that before I read that on the bonuses.)
Also, when you first see Maui's fish hook on Tamatoa's back, they leave out the fringe thing on the handle! It's back in a second though.