What is the significance of V8 10.2 in Node.js v19 and how does it impact performance?

V8 10.2, the JavaScript engine powering Node.js v19, brings significant performance improvements. These include optimizations in JavaScript execution, memory management, and garbage collection. Specifically, it enhances performance for computationally intensive tasks, improves startup time, and reduces memory usage. These improvements translate to faster application response times and better scalability.