See the full changelog in https://github.com/nvb-uy/Eldritch_End/blob/1.20.1/CHANGELOG.md

0.3.3 (Public Release)

• API CHANGE: InfusableItemMaterial#canSwapInfusionTo now returns an empty list by default.
• Fixed infusions' attributes only applying once, making things like etyr only give +10 resistance with all 4 pieces instead of +40.
• Fixed corruption infusions being infinitely stackable.
• Fixed issues with built-in AAA Particles, namely: Intel Macs not working, breaking some configs