The October openings I've seen so far are Catch The Butcher, Perfect Arrangement, The Humans, and Futurity.
I am surprised that Catch the Butcher has already been open for almost two weeks because at least from the performance I saw, it's not there yet. Actors are still stumbling over their lines in a play that has to be performed very confidently to be convincing. And it doesn't seem like they've found the right balance of tone yet.
Perfect Arrangement was very good. I had some issues that didn't affect my enjoyment too much but it's immaterial as I highly doubt they'll change in previews.
I am also surprised to learn that The Humans is opening much later this month. While I didn't connect with it, it already feels like it's ready to open.
Futurity is already great. I want to see it again.