Super Smash Bros. Ultimate (Switch) patch notes

Source: official website

2.0.1 (22 February 2019)

Offline Gameplay

Misc.

2.0.0 (30 January 2019)

Offline

Online

General

1.2.1 (21 December 2018)

Various fixes to improve gameplay.

1.2.0 (14 December 2018)

Offline Gameplay

Online Gameplay

NOTE: Online features require a Nintendo Switch Online membership.

Misc.

1.1.0 (5 December 2018)

Offline Gameplay

Online Gameplay

Game Data Adjustments

DLC Content

Misc.

Source: official website