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# RPA Builder 6.6.2 Release Notes

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

RPA Builder is the on-premises application that enables you to build automations by specifying the
action steps of the process.

To take advantage of all new features, improvements, and bug fixes, ensure that you are using the
latest version of each RPA application.

## May 17, 2024

## Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application</th><th>Version</th></tr></thead><tbody><tr><td><p>RPA Recorder</p></td><td><p>6.6.0 and later</p></td></tr><tr><td><p>RPA Bot</p></td><td><p>1.0.0 and later</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><div><div><p>Web Session action steps no longer fail with message <code>the maximum message size quota for incoming messages</code>.</p></div></div></td><td><div><div><p>W-15702848</p></div></div></td></tr><tr><td><div><div><p>Workflows no longer fail the validation when you define empty variables.</p></div></div></td><td><div><div><p>W-15755711</p></div></div></td></tr><tr><td><div><div><p>Google Chrome processes no longer remain open after successfully running a process with the Web Session (Chrome) action step.</p></div></div></td><td><div><div><p>W-15756793</p></div></div></td></tr></tbody></table>

## See Also

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

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

- [Troubleshooting Microsoft Azure Setup](https://docs.mulesoft.com/rpa-builder/6.6/troubleshooting-azure-oauth-setup)

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