"You can now play online with friends in either multiplayer versus or multiplayer co-op modes," the patch notes read.
The update also adds the ability to use Joy-Cons in a horizontal position, support for the Nintendo Switch Online mobile app (used for matchmaking and voice chat), and "Nearby Play" and "LAN Play" options.
Super Mario Maker 2 sold 2.42 million copies within three days of its June 28 release, so plenty of people are no doubt eager to play online with their buddies.
First published at 6:10 a.m. PT. Updated at 6:20 a.m. PT: Adds more detail.