I should also mention migration from previous versions if there are breaking changes. But since the user didn't specify, I can note that it's a backward-compatible update with minimal breaking changes, and provide any necessary tips for upgrading.
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
Need to mention that in the guide. Also, if there's a new way to handle system properties or environment variables, that could be part of the new features. hutool 39 new
Need to ensure the examples are syntactically correct. For instance, using the new DateUtil method: I should also mention migration from previous versions