4.0.0 com.koopalabs ultrastack 0.0.1-ALPHA jar UltraStack Configurable item stacking plugin with multi-world support discord.gg/KmHGjaHWct 1.8 UTF-8 spigot-repo https://hub.spigotmc.org/nexus/content/repositories/snapshots/ org.spigotmc spigot-api 1.21.4-R0.1-SNAPSHOT provided org.apache.maven.plugins maven-compiler-plugin 3.8.1 ${java.version} ${java.version} org.apache.maven.plugins maven-shade-plugin 3.2.4 package shade false src/main/resources true