The Samsung Galaxy Note8 has apparently started getting the final Oreo update even before the Galaxy S8 series (which has been testing an Oreo beta for a while now). The tech giant hasn't officially announced the roll out yet, someone over at Reddit posted screenshots of their Android 8-powered Note8. This suggests that this is probably a soak test and only if that goes smoothly Samsung will begin wider rollout.
The unit that got the update is Exynos-powered. The update carries a build number of R16NW.N950FXXU2CRA1.DM, and bumps the Android security level to January.
We also got a partial change-log for the update. Take a look: