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# RPA Builder 6.6.3 Release Notes

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

RPA Builder is the on-premise 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.

This version is internal only. All features and fixed issues for this version are implemented in
version [6.6.4](https://docs.mulesoft.com/rpa-home/release-notes/rpa-builder-6.6.4-release-notes).

## 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)