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title: APIkit for Mule 4 1.9.0 Release Notes
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# APIkit for Mule 4 1.9.0 Release Notes

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

## May 15, 2023

## What’s New

- This release fixes bugs and updates dependencies.

## Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</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></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>6.6.42</p></td></tr><tr><td><p>AMF</p></td><td><p><a href="https://github.com/aml-org/amf/releases/tag/5.3.0">5.3.0</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>APIkit now supports case-insensitive matching for the Content-Disposition header in a multipart/form-data request.</p></td><td><p>W-12964758</p></td></tr><tr><td><p>APIkit now provides better support for flexible matching of boundary parameters in multipart/form-data payloads.</p></td><td><p>W-12980886</p></td></tr><tr><td><p>APIkit no longer fails to validate multipart form array parameters.</p></td><td><p>W-13081661</p></td></tr><tr><td><p>APIkit improves its validation capabilities to correctly detect illegal leap year dates.</p></td><td><p>W-13153056</p></td></tr></tbody></table>

## See Also

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

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

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