For players looking to stay current with Super Smash Bros. Ultimate's updates, the best course of action is to enable automatic updates on their Nintendo Switch. This ensures that the game is always up-to-date, and players can dive right into the action without worrying about manually updating.
13.0.2 (November 2021) addressed some of these, but stability issues persisted in the netcode’s input buffer. 13.0.3 was the polish patch that should have been 13.0.2—a final sweep to ensure that the definitive edition of Ultimate was as stable as possible before Nintendo moved its development resources entirely to other projects. super smash bros ultimate nspupdate 1303
Players often referred to this as a loophole for "rage quitters" to avoid losing rank or to prevent their opponents from gaining earned points. For players looking to stay current with Super Smash Bros