Well you would lose the watched status for all your media, as well as any custom settings and whatnot.
My plan, when the time comes to upgrade, is to copy the DB and bring up an isolated container using the copy, let the upgrade proceed in the background, then swap to the new container when the upgrade is done. That way there's minimal downtime and no data loss.
I'm not saying there aren't Nazis in Ukraine. I'm saying I don't believe Russia invaded "to root out Nazis in Ukraine".