Boruto Manga vs Anime difference
In the manga Gaara went with Kankuro and Shinki to Konoha for exams. In Anime he sent them before hand and he got attacked on the way by a Otsutsuki clan member who’s identity is yet to be revealed.
That’s it for now, let’s hope there are more changes from the movie as this one seems the one with a feature. if you have contrasting opinions feel free to leave them in the comments below.