Hutool 39 New -

A new setIgnoreContentLength flag in HttpConfig allows the client to ignore the Content-Length header, which is incredibly useful when dealing with misconfigured servers or dynamic streams. Why Upgrade Now?

：修复了 NumberUtil.isNumber 方法对以 "L" 结尾的数值（如长整型字面量）判断不准确的问题。

: Splits raw character data with minimal memory footprints, limiting heap array fragmentation.

5.8.39 版本对 Hutool AI 模块进行了多项升级，主要包括： hutool 39 new

Hutool 39 leverages JDK 21 features internally. While it runs on Java 8+, using it with JDK 21 unlocks virtual threads and pattern matching.

You might ask, why discuss a version from 2019/2020 in 2026?

To help optimize your migration, would you like to review a detailed comparison of the specific method changes in or DateUtil between versions 5 and 6? Share public link A new setIgnoreContentLength flag in HttpConfig allows the

: The DesensitizedUtil now includes a method for passport number masking , adding to its existing suite of tools for protecting sensitive user data like phone numbers and IDs.

Beyond AI, version 5.8.39 brings several requested "quality of life" improvements to its core modules:

To contribute:

// Store in session (simplified) SessionUtil.setAttribute("oauth_state", state);

org.dromara.hutool hutool-bom 6.0.0-M20 pom import Use code with caution. Step 2: Global Code Refactoring