Explore the integration of V8 JavaScript as a sister javax.script to Nashorn in this 47-minute Java conference talk. Delve into the challenges and solutions of implementing a high-performance JavaScript runtime in Java with a native JVM. Learn about native overhead, build issues, memory management, and API adaptation. Discover the JVMV8 proof of concept, performance considerations, and code examples for both Java and JavaScript sides. Examine V8 objects in Java, Java objects in V8, and the JavaScript constructor generator. Gain insights into garbage collection strategies, multi-threading API implementation, and Node.js integration with Java. Investigate sustainable JavaScript solutions for JVM and ongoing experiments in this comprehensive exploration of Native Script Engine and Go Panama.