Samsung's early-2019 line of flagship smartphones have had access to the OEM's latest versions of Android, albeit as beta builds. Now, a new leak from an official source allegedly indicates that they will be supplanted by an inaugural stable version of One UI 4. The phones might thus see their new official major upgrade soon.
https://www.notebookcheck.net/The-Samsung-Galaxy-S20-series-next-software-update-is-slated-to-be-stable-One-UI-4.588924.0.html