Samsung's Galaxy Note20 and 20 Ultra are part of the One UI beta program, which means the flagship phablets are on a short list of devices to get access to the OEM's build of Android 12. The Notes20 are now on their third beta in a few markets, and addresses a number of issues caused by the second.
https://www.notebookcheck.net/The-Galaxy-Note-20-Ultra-s-new-One-UI-4-beta-is-rated-for-multiple-bug-fixes.583051.0.html