Hooray! Reviews for I'm Thinking of Ending Things are starting to come in, and it's still early days but so far the news is good: 88% based on 26 reviews at Rotten Tomatoes, as I type this. Concensus right now: "Aided by stellar performances from Jessie Buckley and Jesse Plemons, I'm Thinking of Ending Things finds writer-director Charlie Kaufman grappling with the human condition as only he can."
For context:
Being John Malkovich sits at 93% based on 134 reviews.
Adaptation does 91% based on 208.
Human Nature holds *cough* 49% *cough* based on 95.
Confessions of a Dangerous Mind rates 79% at 164 reviews.
Eternal Sunshine goes 93% and 246.
Synecdoche, New York holds 68% based on 187 reviews.
Anomalisa 92%, 267 reviews.
Most of which is probably fair enough. I'd have prefered Synecdoche to be a little better regarded, but of all the Kaufman films--which are never for everyone--Synecdoche is probably the one that's not-for-everyonest.