| Fighter | Move | Change |
| Mario | Dash Attack | Adjusted launch angle. |
| Mario | FS Meter | Extended launch distance. |
| Donkey Kong | Forward Air Attack | Shortened the landing time after using the move. |
| Link | Up Air Attack | Shortened the landing time after using the move. |
| Link | Neutral Special | Extended the time from when the arrow is loosed to when it disappears. |
| Samus | Side Special | Extended the range of the missile and increased the vulnerability when using the move in the air. |
| Samus | Down Special | Reduced vulnerability. |
| Dark Samus | Down Special | Reduced vulnerability. |
| Yoshi | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Kirby | Dash Attack | Increased power range and attack power while maintaining launch distance. |
| Kirby | Side Tilt Attack | Slightly reduced vulnerability and extended undamaged launch distance. |
| Kirby | Down Special | Adjusted the super armor frames after using the move. |
| Pikachu | Grab Attack | Shortened hitstun time. |
| Luigi | Up Smash Attack | Extended launch distance. |
| Luigi | Down Air Attack | Opponents on the ground will no longer suffer a meteor effect. |
| Luigi | Side Special | Reduced vulnerability. |
| Luigi | Down Special | Extended launch distance. |
| Ness | Up Air Attack | Shortened the landing time after using the move. |
| Ness | Down Air Attack | Increased attack power and maintained launch distance. |
| Jigglypuff | Side Tilt Attack | Reduced vulnerability. |
| Jigglypuff | Down Tilt Attack | Extended launch distance. |
| Jigglypuff | Up Smash Attack | Increased attack power of low-power zone. |
| Jigglypuff | Back Air Attack | Increased attack speed. |
| Jigglypuff | Forward Throw | Adjusted launch angle. |
| Jigglypuff | FS Meter | Extended launch distance. |
| Peach | Up Special | Shortened launch distance of repeated attacks. |
| Daisy | Up Special | Shortened launch distance of repeated attacks. |
| Bowser | Neutral Attack | Increased power. |
| Bowser | Side Tilt Attack | Increased power. |
| Bowser | Down Smash Attack | Extended launch distance. |
| Bowser | Up Special | Made it easier to hit multiple times. |
| Bowser | Final Smash & FS Meter | Crouching opponents will now be launched the same as standing opponents. |
| Ice Climbers | Basic Movements | Nana and Popo will follow each other more when separated. |
| Ice Climbers | Up Special | Made it easier to grab edges. |
| Sheik | Up Smash Attack | Increased the first attack’s range. |
| Sheik | Down Smash Attack | Made it easier to hit multiple times. |
| Sheik | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Sheik | Up Air Attack | Shortened the landing time after using the move. |
| Sheik | Side Special | Reduced vulnerability. |
| Pichu | Grab Attack | Shortened hitstun time. |
| Ganondorf | Forward Air Attack | Shortened the landing time after using the move. |
| Ganondorf | Up Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Mewtwo | Dash Attack | Shortened the downtime from shielding. |
| Mewtwo | Side Tilt Attack | This move will now always launch forward. |
| Mewtwo | Up Special | Made it easier to grab edges. |
| Roy | Down Air Attack | Shortened the landing time after using the move. |
| Chrom | Down Air Attack | Shortened the landing time after using the move. |
| Chrom | Up Special | Shortened the meteor distance. When falling off the stage with an opponent, Chrom will be KO’d first. |
| Mr. Game & Watch | Forward Air Attack | Increased attack range. |
| Mr. Game & Watch | Down Air Attack | Shortened the landing time after using the move. |
| Pit | Final Smash & FS Meter | Crouching opponents will now be launched the same as standing opponents. |
| Zero Suit Samus | Side Smash Attack | Shortened the launch distance when the attack hits the middle of an opponent's body. |
| Zero Suit Samus | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Zero Suit Samus | Up Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Zero Suit Samus | Down Special | Shortened the amount of time undamaged opponents are buried. |
| Wario | Down Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Snake | Up Tilt Attack | Extended the high-damage window. |
| Ike | Up Special | Shortened the meteor distance. |
| Charizard | Dash Attack | Increased attack power and extended launch distance. |
| Diddy Kong | Neutral Air Attack | Shortened the landing time after using the move. |
| Lucas | Up Tilt Attack | Added electrical damage. |
| Lucas | Neutral Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Lucas | Down Air Attack | Added electrical damage. |
| Lucas | Grab Attack | Added electrical damage. |
| Sonic | Side Tilt Attack | Made it easier to hit multiple times. |
| Sonic | Forward Air Attack | Shortened hitstun time. |
| Sonic | Back Air Attack | Reduced vulnerability when landing. |
| Sonic | FS Meter | Extended launch distance. |
| King Dedede | Side Special | Reduced the attack range of the moving Gordo. |
| Lucario | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Lucario | Neutral Special | Shortened hitstun time. |
| Lucario | FS Meter | Increased power. |
| R.O.B. | Side Special | Made it easier to hit multiple times. |
| Toon Link | Forward Air Attack | Shortened the landing time after using the move. |
| Toon Link | Back Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Mega Man | Side Tilt Attack | Special moves will not be activated when jumping and using the Mega Buster. |
| Rosalina & Luma | Dash Attack | Made it easier to hit multiple times. |
| Rosalina & Luma | Up Tilt Attack | Extended launch distance for Luma's up tilt attack. |
| Rosalina & Luma | Down Tilt Attack | Extended the distance Luma moves forward. |
| Rosalina & Luma | Neutral Air Attack | Shortened the amount of time you cannot grab edges after using the move. Increased the amount of time hit detection lasts. |
| Rosalina & Luma | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Rosalina & Luma | Down Air Attack | Shortened the amount of time between the start of the move and the meteor effect. |
| Rosalina & Luma | Neutral Special | Reduced vulnerability when sending out and calling back Luma. |
| Rosalina & Luma | Up Special | Made it easier to grab edges. |
| Rosalina & Luma | Final Smash & FS Meter | Shortened the distance you can shift when the attack is making contact. |
| Little Mac | Neutral Air Attack | Shortened the landing time and the amount of time you cannot grab edges after using the move. |
| Little Mac | Up Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Greninja | Down Smash Attack | Increased the range of the inner attacks. |
| Greninja | Up Special | Can no longer move immediately when landing on a moving platform or slanted ground. |
| Mii Brawler | Flurry Attack | Increased attack range and shortened the opponent's hitstun shuffle distance. |
| Mii Brawler | Up Smash Attack | Extended the high-damage window and reduced the low-damage window. |
| Mii Brawler | Neutral Air Attack | Reduced vulnerability when landing after using the move. |
| Mii Brawler | Back Air Attack | Reduced vulnerability when landing after using the move. |
| Mii Brawler | Up Air Attack | Increased power. |
| Mii Brawler | Neutral Special | Increased power. |
| Mii Brawler | Neutral Special | Reduced vulnerability. |
| Mii Brawler | Side Special | Extended distance and increased speed. |
| Mii Brawler | Up Special | Made it easier to grab edges. |
| Mii Brawler | Down Special | Greatly increased damage to opponents' shields. |
| Mii Brawler | Down Special | Extended launch distance of kick performed with extra input. |
| Mii Gunner | Forward Air Attack | Shortened the landing time after using the move. |
| Palutena | Neutral Air Attack | Shortened hitstun time. |
| Palutena | Up Special | Made it easier to grab edges. |
| PAC-MAN | Forward Air Attack | Shortened the landing time and the amount of time you cannot grab edges after using the move. |
| PAC-MAN | Down Air Attack | Shortened the landing time after using the move. |
| PAC-MAN | Neutral Special | Extended the time until you disappear after landing the attack. |
| Robin | Up Special | Increased the speed of the backwards edge-grab range detection. |
| Shulk | Forward Air Attack | Shortened the landing time and the amount of time you cannot grab edges after using the move. |
| Shulk | Up Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Duck Hunt | Neutral Special | Reduced vulnerability. |
| Duck Hunt | Side Special | Increased vulnerability. Shortened hitstun time for the exploding clay pigeons. |
| Ryu | Neutral Attack | Opponents hit in the air will be launched, making it easier to hit them with the next hit. |
| Ryu | Forward Air Attack | Shortened the landing time after using the move. |
| Ryu | Down Tilt Attack | Can no longer jump immediately after using the move. |
| Ken | Neutral Attack | Opponents hit in the air will be launched, making it easier to hit them with the next hit. |
| Ken | Neutral Air Attack | Shortened the landing time after using the move. |
| Ken | Forward Air Attack | Shortened the landing time after using the move. |
| Ken | Down Tilt Attack | Can no longer jump immediately after using the move. |
| Cloud | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Cloud | Down Special | Increased the range of Finishing Touch at the beginning of the move. |
| Corrin | Neutral Air Attack | Shortened the landing time after using the move. |
| Corrin | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Corrin | Up Air Attack | Shortened the landing time after using the move. |
| Bayonetta | Neutral Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Inkling | Neutral Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Inkling | Side Special | Shortened the amount of time undamaged opponents are buried. Moved attack range back while on the ground. |
| Ridley | Neutral Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Ridley | Forward Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Ridley | Down Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Ridley | FS Meter | Increased power. |
| King K. Rool | Neutral Special | Shortened the length of the vacuum effect. |
| King K. Rool | Up Special | Reduced the range of the attack. |
| King K. Rool | Downward Throw | Shortened the amount of time undamaged opponents are buried. |
| Isabelle | Neutral Air Attack | Shortened the landing time and the amount of time you cannot grab edges after using the move. |
| Incineroar | Up Smash Attack | Extended launch distance. |
| Incineroar | Up Air Attack | Shortened the amount of time you cannot grab edges after using the move. |
| Incineroar | Down Air Attack | Shortened the landing time after using the move. |
| Incineroar | Up Throw | Extended launch distance. |
| Incineroar | Up Special | Extended vertical and horizontal distance. |