macrozheng

Mar 28, 2026 · Backend Development

What Maven 4 Brings: POM Model Upgrade, Flattened Consumer POM, and Parallel Builds

Maven 4 introduces a new POM model version 4.1.0, separates build and consumer POMs to eliminate POM pollution, adds explicit artifact types for classpath and module paths, renames modules to subprojects, and implements a tree‑based lifecycle for true parallel builds, all while offering enhanced configuration capabilities.