Hutool 39 New [better] Jun 2026

Simplifies LLM and Generative AI service routing in vanilla Java projects. Added RecyclableBatchThreadPoolExecutor .

5.8.39 版本对 Hutool AI 模块进行了多项升级，主要包括：

Hutool 39 fixes a 4-year-old bug where CSV fields containing \n inside quotes broke parsing. The new CsvReadConfig.setErrorOnDifferentFieldCount(false) gracefully handles malformed rows. hutool 39 new

: Added UniqueKeySet for managing unique elements, enhancing collection utility.

cn.hutool hutool-all 5.8.39 Use code with caution. Copied to clipboard Releases · chinabugotech/hutool - GitHub Simplifies LLM and Generative AI service routing in

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Deploying gives engineering teams immediate access to better memory optimization tools, enhanced AI connectivity, and reliable compliance utilities. Upgrading minimizes custom boilerplate code and helps maintain clean, readable enterprise software architectures. The new CsvReadConfig

This version focuses heavily on stability and edge-case handling. Below are the highlights:

Hutool 5.3.9 introduces significant enhancements to Java development, featuring strengthened cryptography (SM2), advanced Excel data exporting, and improved system hardware monitoring via OSHI. Key updates include ExcelWriter.setOnlyAlias