I've received a couple Oreo updates. My Pixel 2 XL has been updated from 8.0 to 8.1, my Nexus 6p has updated from Nougat to 8.0 then 8.1 and my Samsung Tab S3 has updated from Nougat to 8.0. I guess you could say I've heard a lot about Oreo updates coming.
Which device do you speak of?