Spigot chat color - 🧡 Team color and prefix display in chat 1.13.2 : MinecraftCommands

You can switch codes mid-message by entering the new code.

NumberFormatException: For input string: "12.

In an attempt to extract the player's raw original chat message, the Shopkeepers plugin listens for the chat event at lowest priority.

I don't know which other previous incompatibility your event listener priority change has resolved, so I cannot comment on how likely it is for users to run into this other incompatibility, or whether there might be an alternative to resolve it.