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title: APIkit for SOAP 1.0.1 Release Notes
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product: Release Notes
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keywords: apikit, 1.0.1, soap, release notes
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# APIkit for SOAP 1.0.1 Release Notes

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

**March 21, 2017**

This version of APIKit for SOAP includes a fix in the runtime. This solves a problem when using a
SOAP Envelope element with an xmlns:xsi namespace definition.

## Compatibility

- Mule Runtime 3.7.3 and 3.8.x

- Anypoint Studio 6.2.3

## Fixed in This Release

APIKITSOAP-58 APIKit SOAP + DataWeave = Undeclared namespace prefix "xsi"