players who want the "Java feel." True Minecraft: Java Edition players do not use "addons" in this sense; they use Mods or Modpacks via loaders like Forge or Fabric. Requirements
Result: On Java 17 with ZGC, the repack crashed within 5 minutes of JS execution. Root cause: V8’s GC assumptions clashed with ZGC’s colored pointers. A proper repack would have rebuilt V8 with v8_enable_pointer_compression=false and added a JVM flag guard. java addon v8 repack
While not a "repack" in the traditional sense, GraalVM includes a JavaScript engine that can run V8-compatible code. However, for true V8 semantics, J2V8 remains the most direct repack. players who want the "Java feel
@BeforeEach void setUp() repack = new V8Repack(); repack.setFlags("--use-strict --allow-natives-syntax"); for true V8 semantics