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title: APIkit for Mule 4 1.11.1 Release Notes
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# APIkit for Mule 4 1.11.1 Release Notes

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

## September 20, 2024

## What’s New

- This release upgrades some dependencies to address reported security vulnerabilities.

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule runtime</p></td><td><p>4.1.5 and later</p></td></tr><tr><td><p>Anypoint Studio</p></td><td><p>7.2 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

## Dependency

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Anypoint API Console</p></td><td><p>6.6.61</p></td></tr><tr><td><p>AMF</p></td><td><p><a href="https://github.com/aml-org/amf/releases/tag/5.4.9">5.4.9</a></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><p>Accessing request headers post request routing is now case-insensitive.</p></td><td><p>W-16518905</p></td></tr><tr><td><p>APIkit for REST no longer throws the <code>ConcurrentModificationException</code> exception if high concurrency occurs.</p></td><td><p>W-16629616</p></td></tr><tr><td><p>apikit-rest-parser-wrapper upgrades dependencies to address reported security vulnerabilities.</p></td><td><p>W-16594370</p></td></tr></tbody></table>

## See Also

- [APIkit for REST](https://docs.mulesoft.com/apikit/latest/apikit-4-for-rest)

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

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

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