v2.4
This update focuses on visual stuff.
ALL MOVES:
- Every single attack that uses the Keyblade physically has custom hit particles that change depending on Starlight's coloration
FTILT:
- Updated sprites
UTILT:
- Re-added hitstun scaling
FAIR:
- Updated sprites
FINAL SMASH:
- Rhys now has a Final Smash (usable with the Final Smash Buddy)! He casts Faith, which summons several pillars of light in a straight line that drags opponents with them before the final hit launches them away.
ALT COLORS:
- 16 new alts have been added: GoldMario5, SuperG64, MBG321, Greenscreened, SM64: Whiteout, Abyss (kinda), Mario, Luigi, Fennekin (Alice), Eevee, Reshiram, Star Featherpow, Flippy, William Redgem, Ava, and Heartless
- The original pink alt is now simply called "Edgy Pink"
- (Also this alt comes with a shine effect now, I have no way to remove it so you'll just have to live with it lol)
- Alts have been reorganized
- Certain colors have been adjusted
- Colors 21 through 32 all have CSS icons
- The Sora alt now comes equipped with unique hit sound effects, taken from the Kingdom Key
OTHER:
- Portrait has been slightly updated
- Rhys now has a unique death sound, originally heard in Superboss Troubles and SRA2FM

v2.3
RUNES:
- Runes F, J, and L are now available
- Changed description for Rune H
ALL MOVES:
- Most attacks have either adjusted, removed, or added hitstun scaling
DATTACK:
- This move now has an additional grounded-only sweetspot behind Rhys. I thought it was funny.
- Original hitbox's size increased to cover more of Rhys' body
UAIR:
- Rhys now performs a moonsault with his Keyblade, in a similar fashion to Sora's Hurricane Blast. The move has altered hitboxes and properties to account for this. Generally, it is stronger but slower with more range.
- The previous up air is available through Rune F
BAIR:
- Hitbox size increased (49 -> 54)
DAIR:
- Late hitbox knockback increased (6 -> 7 base knockback, .4 -> .6 scaling)
USTRONG:
- Added more hitpause (6 -> 12)
OTHER:
- Added compatibility for Palutena's Guidance (Pit)
- Added a character select sound

v2.2

ATTRIBUTES:
- Rhys runs faster. (5.8 -> 6)
- Rhys has better air acceleration. (.25 -> .3)
The following attacks have more knockback in general:
- FTILT
- FSTRONG
- USTRONG
- DSTRONG
- BAIR
- NSPECIAL
DATTACK:
- The move has less startup.
NAIR:
- Decreased landing lag.
FAIR:
- The move has been reworked (again). The second hit can now be activated without needing to hit someone first, but Rhys won't bounce up if it doesn't hit.
- The time to cancel the first part has been pushed back ( >3 frames -> >5 frames).
- Decreased landing lag.
BAIR:
- Decreased landing lag.
USTRONG:
- Decreased startup and endlag.
DSTRONG:
- Decreased endlag. This will allow the player to more easily act in the air after falling off most platforms.
DSPECIAL:
- Fire has less startup.

v2.1
ATTRIBUTES:
- Rhys runs slightly faster. (5.7 -> 5.8)
DASH ATTACK:
- The move has been given increased base knockback (8 -> 9) and growth (.8 -> .9).
- The move has a lower angle (60 -> 50).
DAIR:
- The landing hitbox lasts longer (4 -> 6).
STRONGS:
- All strong attacks have increased knockback growth.
FSTRONG:
- Finisher hitbox doesn't last as long (4 -> 2) to better fit the animation.
USPECIAL:
- The move can now be angled in any direction! This should hopefully increase Rhys's options for recovering.
DSPECIAL:
- Fire can no longer be cancelled out by other hitboxes, making it a bit more useful. It can still be reflected, though.
- Fire has increased knockback growth (.3 -> .6).
- Blizzard now tracks Rhys when parried (most of the time).
- Thunder now can't be cancelled out by other hitboxes.

v2.0

- Shyrx is now named Rhys, lining up more with his canonical appearance.
- All sprites have been changed to reflect Rhys' World Traveler 64 outfit. Starlight also had its sprites changed.
- Rhys now has a proper character portrait.
ATTRIBUTES:
- A new magic cooldown meter has been added to Rhys' HUD, which will deplete and fill up again upon using DSPECIAL or NSPECIAL.
- Rhys' initial dash and dash speed are slightly slower.
- Rhys' air mobility is slower.
RUNES:
- Added rune support! Rhys currently has 8 runes to choose from. You can see their effects by checking in-game.
JAB:
- Jab 3 has a completely different animation, with a new hitbox to reflect this change.
FTILT:
- The animation has completely changed, with a new hitbox.
UTILT:
- Animation has been altered.
DASH ATTACK:
- Has been replaced by horizontal slash that deals more damage (10% -> 11%) with a different angle
- The move has more startup and endlag
NAIR:
- Rhys no longer spins the Keyblade around twice, and now uses Spark.
- The move now deals three hits instead of two.
- Spark covers most of Rhys' body, but has less horizontal range than the previous NAIR.
- The move deals more damage. (8% -> 10%)
FAIR:
- The second hit can now only be activated if the first part of the move hits.
- Rhys no longer bounces up with the first part of the move.
- The first hit activates slower (4 -> 6 frames) and has more endlag (14 -> 18 frames)
- The second hit has an altered animation with changed hitboxes.
- The second hit lasts longer. (3 -> 6 frames)
- The third hitbox of the Keyblade swing is slightly weaker than the first two.
BAIR:
- Has been replaced by a variation of the old USTRONG.
- The move has less range, but deals more damage and knockback with a different angle.
DAIR:
- Rhys now performs a dive move with the Keyblade, based on World Traveler 64.
- The move has a hitbox that matches with the Keyblade, but the angles are about the same.
- Upon landing, there is a strong shockwave hitbox that appears.
FSTRONG:
- The move's hitboxes last longer. (2 -> 4 frames each)
USTRONG:
- Now uses an updated version of the old DASH ATTACK animation.
- The move now only deals one hit and has much more range.
DSTRONG:
- The "dust blast" move has been replaced with the spin attack from Super Mario Galaxy.
- The move's hitboxes are much narrower, but are no longer projectiles.
- Rhys rises up into the air slightly upon using this move.
NSPECIAL:
- Sonic Blade has been replaced by Ragnarok! Upon use, Rhys rises up into the air and begins charging the move. When you release the special button, he fires a column of lasers that go through opponents. Fully charging the move will make it stronger.
- The move now has a cooldown, visible with the meter on Rhys' HUD.
FSPECIAL:
- The Keyblade now has a proper "destroy" effect, and Rhys visibly summons it back after it disappears.
- Fixed a minor hurtbox error.
DSPECIAL:
- The magic menu is now only visible when it is open.
- Fireball has less startup (8 -> 6)
- The fireball projectile travels faster (4 -> 4.5)
- Blizzard's functionality has changed to act more like its incarnation from Kingdom Hearts 358/2 Days. It slowly homes in on an opponent, dealing up to four hits (12% total) before disappearing.
- Thunder's functionality has changed to be a trap-like move. Rhys summons a circular thing above his head, and it lingers there until 8 seconds have passed or another magic spell is used. Once an enemy moves under it, it activates, dealing 9% and sending them away.
- The move's cooldown timer can now be seen on Rhys' HUD.
USPECIAL:
- Teleport can now be acted out of after using it.
- Fixed a minor hurtbox error.
TAUNTS:
- Added a new taunt when holding down, based on SuperRhys217's lose animation in M.U.G.E.N.
- Added a new taunt for... actually, nevermind.
MISC.
- Added compatibility with Amber (plushie only).
- Added compatibility with Feri.
- Parrying has a new animation, with Rhys casting Reflect.
- Rolls have a new animation.
- Rhys now has a "down hurt" animation.
- The revival platform now has a "Station of Awakening" styled appearance.
- Made some alternate color adjustments.

There were a TON of changes, so chances are I missed more specific changes.