Hutool 39 New Jun 2026

While newer versions (5.x and 6.x) now exist, understanding what was "new" and revolutionary in the 3.9 series helps developers understand why Hutool remains a "gold standard" for Java utility libraries. Part 1: What Made "Hutool 3.9" a New Milestone?

: Addressed critical serialization issues, specifically enabling JSONUtil.toJsonStr to properly handle Java Records . Note that while serialization is supported, some developers have reported ongoing conversion exceptions when deserializing back into Records in this specific version.

: Enabling hidden features like Apple CarPlay, Android Auto, or custom navigation maps.

在 5.8.39 中，该模块在流式传输上进行了优化：增加了 流式返回函数的参数回调，并支持配置超时时间。这使得开发者可以更加细致地控制与 AI 模型的交互，确保长时间生成任务下的稳定性和响应效率。 hutool 39 new

With over a decade of evolution, Hutool remains a favorite in the Java ecosystem due to:

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.

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. While newer versions (5

Many utilities transitioned from long static method parameter lists to fluid Builder patterns for better maintainability.

By the end of the week, Alex had deleted over 1,000 lines of "boilerplate" code. The team stopped searching for "how to encrypt MD5" on blogs and started relying on Hutool’s static methods. The code became as readable as a storybook, and the "bitter" parts of Java development were finally "sweet". hutool/README-EN.md at v5-master - GitHub

Need to ensure the examples are syntactically correct. For instance, using the new DateUtil method: Note that while serialization is supported, some developers

: Introduced RecyclableBatchThreadPoolExecutor , a specialized batch thread pool designed to manage task execution more efficiently. 4. HTTP Client Refinements ( hutool-http )

Hutool 5.8.0 is a significant update that cements the library's position as a leading utility library for Java developers. With its improved performance, new features, and bug fixes, Hutool 5.8.0 is a must-have for any serious Java developer. Whether you're a seasoned Hutool user or new to the library, we encourage you to try out Hutool 5.8.0 and experience the benefits for yourself.

// Instant AES Encryption AES aes = SecureUtil.aes(); String encryptHex = aes.encryptHex("Sensitive Data"); String decryptStr = aes.decryptStr(encryptHex); Use code with caution. Frictionless Office Docs ( ExcelUtil )

cn.hutool hutool-all 3.9.0 Use code with caution. Gradle Integration