SSBU/Patch Notes

General

 *  joins the game as a playable character
 * Hollow Bastion has been added as a stage

Misc.

 * The Shy Guys on Yoshi's Story (Hazards on) no longer carry food if items are turned off

General

 *  joins the game as a playable character

General

 * ' and ' joins the game as playable characters

Online

 * Arenas will now close if the host's packets are dropped during a match
 * The average packet size was expanded

Misc.

 * Players can now disconnect other players by pressing the A button on their slot, at the character selection screen

Misc.

 * Sephiroth Challenge was removed

General

 *  joins the game as a playable character
 * Northern Cave has been added as a stage

Misc.

 * A new mode, Sephiroth Challenge, was added. It allows players to fight Sephiroth on Northern Cave on 3 different difficulty modes. Winning the fight unlocked both Sephiroth and Northern Cave

General

 * Fixed an issue where the player could not use the stick to jump while falling after creating an anvil using 's DAir
 * Reverted the initial velocity of 's and 's up-B back to how it was in 9.0.0
 * Fixed an issue where sometimes fighters would go through stages when knocked back

General

 * Fixed an issue in which characters could fall though the stage when breaking 's blocks (neutral-B)
 * Fixed an issue in which characters could fall through the stage when caught between 's anvil (DAir) and a block (Neutral-B)
 * Fixed an issue in which fighters could be frozen if hit with 's side-B
 * Fixed an issue in which 's side-B does not hit opponents when reflected off a wall
 * Fixed an issue in which a fighter caught by 's side-B teleports to the position in which they were caught
 * Fixed an issue in which would clip through  after losing a stock

Misc.

 * One of 's victory animations was changed in order to remove the meat after it has been eaten

General

 *  joins the game as a playable character

Online

 * The tick rate for battle arenas with 4 or fewer players has been increased from 30Hz to 60Hz, instead of only applying to 1-on-1 battles without spectators
 * Adjustments have been made to the way GSP is calculated

General

 * Small Battlefield has been added as a stage. It can be choosen in Quickplay and Elite Smash
 * Battlefield, Big Battlefield, Final Destination and Small Battlefield can now use music from all stages

Online

 * Average input delay of 1-on-1 battles not involving spectators has been reduced from roughly 5 frames to 4 frames
 * Matchmaking in Quickplay has been adjusted
 * Elite Smash's threshold has been adjusted in order to allow more players in
 * Elite Smash's threshold has been adjusted in order to allow more players in

General

 *  joins the game as a playable character

Misc.

 * Lylat Cruise has bigger ledges and it is overall easier to recover on it
 * Garreg Mach Monastery's Omega and Battlefield form's blastzones has been adjusted to match other omega stages
 * Garreg Mach Monastery's Omega and Battlefield form's blastzones has been adjusted to match other omega stages

General

 * ' joins the game as a playable character

6.1.1
Nothing of note happened in this update, as it only introduced support for two new amiibos

General

 * Fixed a bug where Terry could freeze some characters when hit by Buster Wolf

General

 *  joins the game as a playable character

Online

 * Several changes were made to arenas

General

 *  joins the game as a playable character

General

 *  joins the game as a playable character

Online

 * New Quickplay rules can be chosen