This updates adds many fixes and technical improvement, so it's really recommended to upgrade. There is no breaking change with PVP Arena 1.15.0.

This version is still compatible from 1.13 to 1.16.x spigot version.

Here is the changelog:

• fix FIRE protection for arena regions
• add a new module named "projectiles"
• fix edit mode in command completion
• allow /pa leave to quit edit mode
• fix auto-ignition of TNT blocks
• fix region removal
• fix netherite armors
• fix NullPointerException on player death
• add custom potion effect serialization

...and several improvements of documentation

Think to upgrade your modules with /pa modules upgrade