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title: APIkit for SOAP 1.6.3 Release Notes
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---
# APIkit for SOAP 1.6.3 Release Notes

## [](#july-31-2025)July 31, 2025

## What’s New

- APIkit upgrades some dependencies to address reported security vulnerabilities.

## Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule runtime</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.2 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Anypoint Studio</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">7.2.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">SOAP</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">1.1 and 1.2</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

## Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">The runtime classpath issue in SOAPkit 1.6.2 is now resolved and no longer causes a <code>NoClassDefFoundError</code> during API calls in Mule apps that are compiled with JDK 8 and running on Mule 4.9.x with JDK 17.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-18961619</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Upgraded the <code>cxf-core</code> dependency to address reported security vulnerabilities.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-18979187</p></td>
</tr>
</tbody>
</table>

## [](#see-also)See Also

- [APIkit for SOAP](https://docs.mulesoft.com/jp/apikit/latest/apikit-4-for-soap)
- [Salesforce Help](https://help.salesforce.com)
- [MuleSoft Services](https://www.mulesoft.com/support-and-services)
- [Known Issues](https://help.salesforce.com/s/issues)