After a rather long wait, the Samsung Galaxy Note 8 phablet owners on T-Mobile can finally enjoy the benefits delivered by the Android Oreo update. Sadly, the release notes page has not been updated by T-Mobile yet, but the update is most likely based on Android 8.0, as it happens with the other Samsung flagships that recently received the update.
https://www.notebookcheck.net/The-Samsung-Galaxy-Note-8-phablet-is-finally-receiving-Android-Oreo-on-T-Mobile.293962.0.html