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title: MUnit 3.6.3 Release Notes
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# MUnit 3.6.3 Release Notes

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

MUnit is a Mule application testing framework that enables you to build automated tests for your
integrations and APIs.

## January 6, 2026

## What’s New

- This release includes fixes for vulnerabilities.

## Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Maven</p></td><td><p>3.8.1 to 3.9.10</p></td></tr><tr><td><p>Mule runtime engine</p></td><td><p>4.3 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, 17, and 21</p></td></tr></tbody></table>

## Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><div><div><p>MUnit now correctly opens the <code>java.naming</code> module to the MUnit starter, preventing access errors when running tests on newer Mule runtime versions.</p></div></div></td><td><div><div><p>W-20335051</p></div></div></td></tr></tbody></table>

## See Also

- [MUnit](https://docs.mulesoft.com/munit/latest/)

- [Salesforce Help](https://help.salesforce.com)

- [MuleSoft Services](https://www.mulesoft.com/support-and-services)

- [Known Issues](https://help.salesforce.com/s/issues)