Additions
- Bayonetta and Corrin can be downloaded from the Nintendo eShop, with the new Mii Fighter costumes.
- Umbra Clock Tower is included with the purchase of Bayonetta.
- Castle Siege and Coliseum have two new music tracks included with Corrin.
- A new music track is added to Smash Run.
Bowser
- Dash attack damage: 10%/8% → 12%/10%.
- Up throw's knockback increased, reducing its combo potential.
Bowser Jr.
- Forward aerial damage: 8%/5% → 9%/7%
Falco
- Up smash hits one frame earlier (8 → 7), hits better against ducking opponents and has higher knockback growth.
Ganondorf
- Weight slightly increased: 112 → 113
Ike
- Neutral aerial damage: 9%/6% → 10%/7%.
- Forward aerial damage: 12% → 13%.
Kirby
- Weight slightly increased: 77 → 79.
Little Mac
- Up angled forward smash damage: 19% → 21%
- Up smash damage: 20% → 21%
- Down smash damage: 12% → 13%
- Down smash angle: 30° → 45° (no longer a semi-spike)
- Up throw angle: 85° → 80°
- Down throw angle: 85° → 80°
Lucina
- Neutral aerial first hit damage: 3.345% → 4.2%.
- Neutral aerial second hit damage: 7.6% → 8.5%.
- Forward aerial damage: 8.5% → 10.5%.
- Back aerial damage : 9.975% → 11.8%.
- Up aerial damage: 9.975% → 11.4%.
- Down aerial damage : 11.4%/13.3% → 12.3%/14.2%.
Marth
- Neutral aerial first hit damage: 3%/4% → 3.5%/5%.
- Neutral aerial second hit damage: 7.6%/9% → 8.1%/9.5%.
- Forward aerial damage: 7%/10% → 8%/11.5%.
- Up aerial damage: 9%/12% → 9.5%/13%.
- Down aerial damage: 11%/13%/14% → 12%/14%/15%.
Rosalina and Luma
- Weight slightly decreased: 78 → 77.
Roy
- Neutral aerial landing lag: 13 → 11
- Forward aerial landing lag: 15 → 13
- Up aerial landing lag: 16 → 14
- Back aerial landing lag: 19 → 16
- Down aerial landing lag: 28 → 23
Sheik
- Weight slightly decreased: 85 → 84.
- Vanish's disappearance hitbox knockback growth (104 → 102) and size decreased (14 → 13).
Toon Link
- Back aerial landing lag: 22 → 17.
- Forward smash's first hit now properly links to the second regardless of damage.
Zero Suit Samus
- Weight slightly decreased: 81 → 80.