Something I noticed that would affect https://github.com/DenizenScript/Denizen/pull/2678:
Particle.TargetColor in 1.21.3 seems to have been removed and replaced with Particle.Trail in 1.21.4 and now requires three fields instead of two.
GitHub
This PR adds the new DataTypes for particles. Support for TRAIL and TARGET_COLOR particle types were requested on Discord. It also adds support for special SHRIEKER and SCULK particles.
https://dis...
declaration: package: org.bukkit, enum: Particle, class: TargetColor
declaration: package: org.bukkit, enum: Particle, class: Trail