https://www.polygon.com/2018/12/14/18140750/super-smash-bros-ultimate-patch-update-matchmaking-character-adjustments

Nintendo has released an update for Super Smash Bros. Ultimate that brings the game up to version 1.2.0, but the patch notes provide few specifics on what has changed.

The patch has “adjusted the difficulty of approaching challengers” in offline mode, while offering the following two changes to playing online: