from Den of Geek review
Much of Goodbye Christopher Robin is utterly charming, with just enough of a darker edge to stop it from becoming too twee. Gleeson is excellent in a role the requires him to be ultimately reserved and unemotional, and Robbie is an absolute delight throughout. Flighty and overdramatic, Daphne is both the comic relief and the emotional heart of some key moments. It’s lovely to see both of these actors doing something so different.
The film falters when it allows Christopher to grow up and become a teenager (Alex Lawther) struggling with the legacy of his childhood stories. It’s a third act that’s hindered by its dual responsibility to tell the truth of events and tie everything up into a nice satisfying bow, and the film may have been better served with an extension of the middle in which the books first rise to fame.
Goodbye Christopher Robin is overall a quiet but uneven film about people doing their best but unintentionally damaging those around them anyway. There’s something to be said for the simplicity of that concept, just like there is for the whimsical tales of a stuffed bear, his woodland pals, and his very best friend Christopher Robin.