Funny enough- I just got updated from 8.1 to 8.2.... and still have the 2019 maps.
That happened to me too last week
@Knightshade (from 81.to 8.2). I just got my HW 3 upgrade... I was going to wait longer but decided this was the right time for me. Anyway, my HW 2.5 went from 8.1 to 8.2 last week, and when I got my HW 3 upgrade today, they pushed 2020.12 to me (which seemed fairly glitchy... car wouldnt even connect to my wifi at home and I have an access point like 10 feet from it).
About an hour after I got home, car started trying to download 2020.12.1.. but couldnt because of wifi turning itself off. Called the SC back and asked them to re push the update for me, and they did. dunno if the wifi is better (or why I have wifi issues when it was rock solid before, unless that is related to HW 3 somehow).