Corrected date parsing logic for specific custom date formats. Impact: Ensures that string-to-date conversion remains consistent even with less common date format patterns.
cn.hutool hutool-all 5.8.39 Use code with caution. 📋 Summary of Changes in v5.8.39 (2025-06-20) Description SSE Callbacks & Timeout Enhanced streaming control. ai New AI Platforms Doubao, Grok image/video support. core DesensitizedUtil Added passport desensitization. core Performance XXXToMapCopier optimized. core Assert Added empty collection validation. core RecyclableBatchThreadPoolExecutor . http HttpConfig Added setIgnoreContentLength . db Db Config Added FetchSize global setting. Conclusion
We analyzed GitHub discussions and Reddit threads (r/java) about the release: hutool 39 new
is a major maintenance release that significantly elevates Java development productivity by introducing built-in AI integration capabilities , enhanced data privacy tools, and core performance optimizations.
Alternatively, I can provide a for connecting to the new HutoolAI platform using SSE streaming callbacks. Share public link Corrected date parsing logic for specific custom date
Hutool is designed to reduce the "learning cost" of complex APIs by providing static methods that handle boilerplate code for encryption, networking, and file management. Key Features of the 3.9 Update
Expanded multi-modal interfaces across major AI APIs. Developers can now execute seamless Text-to-Image (文生图) prompts and generate custom synthetic video models using both Grok and ByteDance Doubao (豆包) . 2. Enhanced Enterprise Security Masking ( DesensitizedUtil ) 📋 Summary of Changes in v5
Fixed a potential performance bottleneck in ReflectUtil . Impact: If you rely heavily on reflection for bean copying or method invocation, this update ensures smoother execution and reduces CPU overhead during intensive operations.
Below is an extensive guide covering the architecture of the tool library, the newest structural additions to version 5.8.39, and practical implementation strategies for modern production environments. Architecture Overview: The Hutool Philosophy