v3.1.2
- Fixed some targeting issues.
- Screen shake from Radiant Beams in phase 3 reduced. Screen shake from all other sources increased slightly.
- Screen shake wobbles the screen faster.

v3.1.1
- Fixed boss's halo and shield particles not disappearing when she is invisible due to phase switch.
- Removed unwanted effect at the beginning of the Crystal Bell gift sequence.

v3.1.0.2
- Fixed a NullReferenceException that is sometimes thrown when the player dies.
- Fixed boss halo not disappearing when she is invisible.
- Added some extra effects to the Crystal Bell summoning sequence when it is cracked.

v3.1.0.1
- Last update might not have been uploaded properly?

v3.1
- Added Crystal Bell item.
- Added a curve to boss lifesteal scaling to make multiplayer a little less unforgiving.
- Added a system to help prevent clients from desyncing in multiplayer.

v3.0.1
- Tweaked lifesteal effect visuals.
- Reduced true boss fight's minimum duration by 2 seconds. (It makes a big difference, I promise.)

v3.0
Merry Christmas! My present to you is a boss so difficult, it may take until new year's to beat!

- Added new Concentrated Light projectiles to the Everlasting Rainbow attack.
- Improved boss attack explosion visuals.
- Improved glowing projectile performance.
- Improved many other visual effects.
- Added a Radiant Beam collection function to prevent filters from being misplaced causing the beams to be invisible.
- The boss now darkens the background to improve visibility.
- Several adjustments to the boss' true form's damage reduction and attack patterns.

Some balance changes:
- Prismatic Bolt acceleration reduced slightly because they have slight randomness in their flight patterns.
- Everlasting Rainbow speed reduced to compensate for the new projectiles.
- Boss lifesteal is scaled to boss health on singleplayer expert mode (98000).

v2.6.3.3
- Fixed an exception thrown by Ethereal Lances when the player dies.

v2.6.3.2
- Removed reduced filters setting in favor of one that actually has a larger impact.
- Optimized projectile behaviors.

v2.6.3.1
- Added a reduced effects setting