Hutool 39 New ^hot^ Jun 2026

If you want to move forward with the implementation, please share:

本次更新还新增了对 的支持，进一步丰富了 AI 供应商列表。

For applications dealing with extreme concurrent batch tasks, a brand-new multi-threaded engine has been committed: RecyclableBatchThreadPoolExecutor . This utility minimizes internal object allocation overhead during repeated batch sweeps by leveraging a recallable lifecycle architecture, drastically lowering garbage collection pauses in heavy pipeline applications. 4. Advanced Performance Optimizations

We are moving our projects to the latest Hutool release to leverage improved stability and security. If you haven't used it yet, Hutool is a comprehensive toolset that covers everything from file IO to encryption. Why the update matters: Bug Fixes: Resolves edge-case infinite loops in splitByRegex Snyk Vulnerability Info Productivity: hutool 39 new

// Before: manual checks for (String s : list) if (s.startsWith("H")) doSomething(s);

The foundational hutool-core library remains fiercely independent of external third-party structures.

One of the most praised updates in this cycle was the stabilization of the native HTTP client within hutool-http . It removed the boilerplate associated with HttpURLConnection . Key Capabilities Added: If you want to move forward with the

// Before: Type erasure hell List<Map<String, Integer>> list = JSONUtil.toBean(jsonStr, new TypeReference<>() {});

implementation 'cn.hutool:hutool-all:0.39'

Conclusion

Adding to its robust DesensitizedUtil , Hutool now includes a specific method for passport number masking , making it easier to comply with data privacy regulations like GDPR.

Date manipulation has historically been a pain point in Java. Even with the java.time API introduced in Java 8, many developers find the API slightly over-engineered for simple tasks. Hutool’s DateUtil remains one of its most popular modules. In version 5.8.39, the library has achieved high stability in parsing fuzzy date strings (e.g., "2023-5-1" vs "2023/05/01") and handling timezone quirks automatically, reducing the cognitive load on the developer.