Piranha Plant is now available for Super Smash Bros. Ultimate ladies and gentleman. The immensely popular fighter has received a brand new update that now puts the game at version 2.0.0. Their are a TON of patch notes, but check out some of the main information below:
Offline
You can now play Spirit Board with up to four players.

Select the spirit you want to challenge on the Spirit Board, and then go to Party " Fighter to select the number of people who will play. When playing with multiple people, you will lose the battle if any player is KO?d.

The following spirits will now appear in the Shop.

Partner Pikachu

Partner Eevee
Dice Block

River Survival

Golden Dash Mushroom
Online
We adjusted the calculation for Global Smash Power.
General
Added the DLC fighter Piranha Plant.

Piranha Plant will become available for purchase as DLC at a later date.

Pressing both jump buttons at the same time will now cause you to short hop.

Fixed the issue where the KO score included your teammates? KOs when Team Attack was On.

Game-balance adjustments.

Various gameplay fixes.

Specific fighter adjustments are below.
Find more about each fighter (including a number of buffs and nerfs) right here.

...