I liked it a lot but not as much as I expected. I think the biggest issue with the film is Cuaron's approach, who tells an intimate story about a family and the maid's role in it, yet films it like a sprawling epic. It's hard to argue against the sheer beauty of each frame in the film, but the controlled, clinical camera work creates a certain distance that pushes you away from the intimacy.
The best example is the scene in the movie theater, where a rather dramatic development happens, but Cuaron shoots it in a wide shot in which the movie playing on the screen in the background and the watching audience covers 75% of the screen, and the two characters that are having an important moment feel like complete background noise.
Scenes like that reveal that Cuaron, above everything, even his best intentions, has a strict technical vision that gets in the way of capturing his heart. His decision to handle the cinematography himself ends up an ironic choice because he could have really used the helping hand of Cuaron regular Lubezki to give this movie a more poetic feeling.
The film thus ends up being a better portrait of a moment in time than it is a character drama, which to me is a slightly missed opportunity, even though you will not be able to find a more beautiful looking film this year or the next.