Hutool 39 New

Check for other possible features. Maybe they improved the HttpUtil for asynchronous requests or better error handling. Or added new data structure utilities, like a custom List implementation.

Let me structure the guide accordingly, making sure each new feature is explained with context and examples. Also, highlight the benefits these features bring to developers. hutool 39 new

Troubleshooting: Common errors when using new features and how to fix them. Check for other possible features