One of the best movies in the MCU, and the best post endgame movie in the franchise. The movie showed us how thanos affected the group even though 5 years had passed at the time. They did a very good job at showing rocket's horrible past and show the audience how much he cherishes his friends. The film greatly expresses how the characters all care about each other and would go through tremendous lengths just to help each other. I love how much character development they gain after the previous movies. Peter going from an egoistic asshole who only cares about himself to a more mature person willing to become a better person for the people he cares about and in the end went to separate with his life of adventures in order to just embrace his humanity live with his grandparents, Drax being a guy who is hell-bent on getting revenge on thanos to being a dad for the children they saved, Mantis from following what other people wants her to do finally leaving the team in order to learn to be more independent, Nebula from getting constantly torchured by her father into having a family that she cares for and loves her back, and finally Rocket from being secretive about his past and pretty much a selfish person and has no one except Groot by his side into having a family of his own, have people to finally protect after losing his friends twice, people who would do anything just to protect him and finally face his past traumas.
This movie is Great, It bringed back the mature tone of the mcu while also keeping the comedy aspects which people adore in the previous Guardians movies