Squirtle Changelist
Tilts
-Up Tilt
--IASA moved up, frame 22 -> 18.
--Hitboxes cleaned up to match animation closer. Squirtle hops slightly higher to match previous reach.
--Damage and knockback reduced. Damage 7 -> 6, KBG 110 -> 100.
--Trajectory tweaked slightly, angle 89 -> 86.
-Crawl Tilt
--Hitbox reduced.
Smashes
-Forward Smash
--Shell-shift momentum glitch corrected.
-Up Smash
--Cleaned up pillar hitboxes to match graphics closer.
-Down Smash
--Hitboxes reduced to match animation and graphics closer.
Aerials
-Down Aerials
--Hitboxes cleaned up to match animation closer.
--Final hit trajectory lowered, angle 80 -> 67.
Specials
-Forward Special (Withdraw)
--Removed Turnaround
--Removed Jump
--Homogenized smash and tilt speeds.
--Withdraw maximum grounded duration reduced, 140 -> 60 frames.
--Withdraw cancel can now grab ledges.
--Aqua Jet
---Aqua Jet can only be initiated by making contact with a target during startup (checked on frame 5) and holding B.
---Aqua Jet is now fully steerable.
---Aqua Jet height gain slightly increased.
---Removed Aqua Jet startup, frame 3 -> 1. Weak hitbox lingers +4 frames.
---Aqua Jet hitboxes enlarged.
-Up Special (Waterfall)
--Grounded startup reduced by 5 frames.
--Endlag increased by 5 frames. Increases reverse ledgegrab window.
--Waterfall angling disabled after Squirtle reaches the apex.
--Final hit trajectory raised, angle 67 -> 83.
--Linking hitbox now repeats every five frames until final hit. Damage of linking hits reduced to 1.
--Linking hitbox knockback tweaked. 100/100 weight dependent set knockback changed to 110/100 and 80/100 weight dependent set knockback.
--Hitlag and SDI modifiers of non-linking hitboxes homogenized to 1. Linking hits have 0.8X hitlag, and 0.7/1X SDI.
-Down Special (Bubble)
--Aerial stall increased by 45% and limited to once per airtime.
--Aerial Bubble hitboxes raised and cleaned up to match graphics closer.
--Trajectory of aerial Bubble raised as hitbox travels. Angle 0 -> 0/25/361.
Others
-Air mobility increased and short hop height decreased.
--Short hop Vertical Momentum 2.15 -> 2
--Air mobility A 0.04 -> 0.08
--Air mobility b 0.04 -> 0.02
-Slightly reduced tech movement during first bounce.
-Pivot
--Light armor removed.
--Hitbox reduced.
--Active frames trimmed, 6-12 -> 9-12.
-Jab1
--Jab 2 interrupt starts 1 frame sooner.
-Jab2
--Jab 3 interrupt starts 2 frames sooner.
-Added Final Smash
TL;DR: Withdraw can't turn around or jump anymore. Aqua Jet now fires automatically on frame 6 of withdraw if you are colliding with an opponent, and cannot be activated manually.