This update is for Spigot/Minecraft 1.16.5 - 1.17.1, and has been compiled with Java 16 and Spigot API 1.17.1.
Bug Fix Update
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This update fixes a bug introduced in 9.16 where the PVP and non-PVP status of an arena was displayed incorrectly in the join menu GUI.
It also includes a fix for an exploit reported by ItsMCB by preventing any inventory items from being moved while in a TNTRun arena.
Please report any issues found either in the discussion pages, on GitHub or Discord -
https://discord.gg/wFYSAS4