Hutool 3.9 Upd [portable] Jun 2026

The library is entirely component-based, allowing developers to import either the overarching monolithic dependency or specific modules to keep production artifacts lightweight. Core Module Structure in the 3.9 Lifecycle

Added more convenient wrappers for symmetric and asymmetric encryption (AES, DES, RSA).

The core features and capabilities associated with this version include: EEPROM Wiping Hutool 3.9 UPD

Streamlines complex Excel and Word operations using Apache POI.

One of the most notable updates in Hutool 3.9 UPD is the enhanced code generation feature. The new version includes more templates and supports generating code for a wider range of frameworks and libraries. This means developers can now quickly generate boilerplate code for popular frameworks like Spring Boot, MyBatis, and more. One of the most notable updates in Hutool 3

The FileUtil and WatchUtil were practically rewritten. In 3.9 UPD, you can now watch a directory for changes without endless loops.

要理解3.9 UPD的价值，我们需要将其置于Hutool整体版本演进的大背景下。当前，Hutool存在两条重要的版本线： The FileUtil and WatchUtil were practically rewritten

Provides options to activate or deactivate internal SSH layers during custom scripting and head unit recovery operations.

The user interface of Hutool has been refined in version 3.9 UPD, making it more intuitive and user-friendly. The new UI design improves navigation and reduces clutter, allowing developers to focus on their work without distractions.