ModsJava

UnstableCore

a full all in 1 plugin for paper servers with the entire unstable smp built into it

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UnstableCore is a free Minecraft Java mod. Compatible with Minecraft 1.21, 1.21.1, 1.21.2, 1.21.3 and newer. Downloaded 878 times (via Modrinth). Download it and open it directly in the game.