This is the first Naruto movie which can be considered canon to the series as this was released after the release of the final two manga chapters.
This is the only naruto movie with a plot centered around a romance
The writer and creator Masashi Kishimoto himself supervised written and drawn the characters of the movie.
After the end of the credits, there is a short Uzumaki/Hyuuga family scene.
This is the first Naruto movie in the franchise that is going to have a world wide release within 2 months after it's release in Japan other countries include Philippine, Australia, New Zealand and Chile so far.