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title: APIkit Module 1.3.1 for Mule 4 Release Notes
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# APIkit Module 1.3.1 for Mule 4 Release Notes

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

**May 24, 2019**

## What’s New

This release focused on bug fixes.

## Compatibility

- Mule Runtime 4.1.2 and later

- Anypoint Studio 7.2.0 and later

## Bug Fixes

- Fixed issue causing `Invalid URI` message when using absolute `includes` from files in subfolders.

- Fixed issue when flow names were generated with charset content.

- Fixed issue when schemas (JSON or XML) referenced from other schemas in a RAML file were not being
  considered.

- Fixed `apikit.exception.NotAcceptableException` when using charset in OAS response types.

- Fixed issue when APIKit returned 404 for URL with colons (`:`).

- Fixed issue where APIKit did not send an error response when a request leads to an exception.

## Improvements

- Support JSON and XML files as form parameters

## See Also

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