Smash 4 Wii Fit Trainer 1.0.9 -> 1.10 Patch Notes
transcribed by AvariceX

This is the first time I've tried interpreting patch code for this game so it could have inaccuracies.
Note all damage changes indicate correlating knockback changes (unless compensated with BKB or KBG changes)

Utilt damage 8% -> 10% (sweetspot and sourspot)

Fsmash hitbox increased:
Hitbox 1 size: 3.9 -> 4.3
Hitbox 2 size: 3.9 -> 4.3
Hitbox 3 size: 2.8 -> 3.1

Usmash part 1 knockback growth increased:
hitbox 1 KBG: 95 -> 97
hitbox 2 KBG: 100 -> 102
hitbox 3 KBG: 100 -> 102

Usmash part 1 hitbox significantly increased:
hitbox 1 size: 2.3 -> 2.8
hitbox 2 size: 5.0 -> 5.6
hitbox 3 size: 3.0 -> 3.7

Usmash part 2 knockback growth increased:
hitbox 1 KBG: 110 -> 112
hitbox 2 KBG: 105 -> 107
hitbox 3 KBG: 105 -> 107

Usmash startup significantly reduced:
-AsynchronousTimer(7.0f)
-AsynchronousTimer(9.0f)
If I'm reading this correctly it has gone from 36 -> 20 frame startup

Dsmash:
Sourspot damage 8% -> 10%
Sweetspot damage 10% -> 12%
knockback growth (KBG) increased on all hitboxes:
hitbox 1 KBG 107 -> 110
hitbox 2 KBG 107 -> 110
hitbox 3 KBG 107 -> 110
hitbox 4 KBG 107 -> 110

Nair knockback growth increased on all hitboxes:
first hit KBG 70 -> 72
strong hit KBG 100 -> 102

Fair knockback growth increased on forward hitbox, base knockback increased on reverse hit (spike)
Fair part 1:
hitbox 1 KBG 100 -> 102
hitbox 2 KBG 100 -> 102
hitbox 3 BKB 60 -> 62
Fair part 2:
hitbox 1 KBG 100 -> 102
hitbox 2 KBG 100 -> 102
hitbox 3 BKB 100 -> 102

Bair base knockback increased on all hitboxes:
Bair part 1:
hitbox 1 BKB 98 -> 100
hitbox 2 BKB 100 -> 102
hitbox 3 BKB 100 -> 102
Bair part 2:
hitbox 1 BKB 100 -> 102
hitbox 2 BKB 100 -> 102

Uair knockback growth increased on all hitboxes:
hitbox 1 KBG 80 -> 82
hitbox 2 KBG 80 -> 82

Dair knockback growth increased on all hitboxes:
Dair part 1:
hitbox 1 KBG 80 -> 82
hitbox 2 KBG 78 -> 80
Dair part 2:
hitbox 1 KBG 100 -> 102

All grab hitboxes lowered:
Grab 0x4119999a -> 0x4109999a
Dash Grab 0x41080000 -> 0x40f00000
Pivot Grab 0x41180000 -> 0x41080000
(left these in hex format, everything else on this sheet is decimal format)

Header (side-B) knockback growth increased on head hitbox (including all custom variants) KBG 70 -> 71