Hereditary

Saw Hereditary, currently the only other film apart from Midsommar by Ari Aster.  This one follows a family dealing with the death of their creepy grandmother.  There's also a young daughter who is withdrawn, possibly retarded, and who does creepy shit like cut off the heads of dead pigeons with scissors.  The protagonist for most of the film is the family's mother who is a miniatures artist, creating dioramas depicting her difficulties with her mother.

So this is a horror movie.  It's intensely creepy.  There's no gallons of blood or anything, but a creeping and sharpening sense of doom and disaster.  As with Midsommar, tragedy is taken seriously, and the pain of a family tearing itself apart and losing itself to madness is just as much a source of discomfort as the final scenes of naked cultists and decapitation.  It makes it feel that much more real and awful.

The film is really good so I don't want to spoil it, however there's a scene where a character wakes up and there's something creepy in the corner of his room.  The light is so dim you can barely see it and in theaters apparently you could hear gasps and arms pointing as different people saw it and understanding rippled through the audience.  What a dreadful, magical experience!