Samsung has not released much of a changelog for the latest update for its Galaxy Note 20 and 20 Ultra thus far. However, it has been reported to contain the February 2022 security patch, despite the fact it is still January. Therefore, some users in markets such as Europe can install this upgrade on their phablets in advance.
https://www.notebookcheck.net/The-latest-Samsung-Galaxy-Note-20-series-software-update-contains-next-month-s-Android-security-patch-in-advance.596504.0.html