That is… a number of stability updates.
4 distinct Change video games have all acquired minor updates in a single night from Nintendo.
ARMS, Splatoon 2, Tremendous Mario Maker 2, and Animal Crossing: New Horizons have all been up to date this night (NA time). All 4 video games listed patch notes are an identical: “A number of points have been addressed to enhance the gameplay expertise.”
The brand new model numbers are 5.4.1 for ARMS, 5.5.1 for Splatoon 2, 3.0.2 for Tremendous Mario Maker 2, and a couple of.0.6 for Animal Crossing.