Samsung has released the Android 8.0 upgrade for the Galaxy Note 8 in the Netherlands. That is what various tweakers report in the Note 8 topic on GoT. The upgrade was available internationally for weeks, but Samsung releases the software per country.
The upgrade was since 28 March for the variants of T -Mobile and Ben, is on SamMobile . Variants for other providers seems to have not yet released Samsung. The Note 8 is after the S8 and S8 + the third Samsung device that gets the upgrade to the new Android version. Later, the Galaxy A8 2018, A3 and A5 2017 and S7 series should follow with upgrades to the new version of Googles mobile operating system.