# Document history for the Amazon Nova Act User Guide
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The following table describes the documentation releases for Amazon Nova Act.


| Change | Description | Date | 
| --- | --- | --- | 
|  Initial release  |  Initial release of the Amazon Nova Act User Guide  |  12/2/2025  | 
|  Add CloudTrail section and Update IAM documentation  |  Include documentation about the supported CloudTrail logging and add link to complete list of IAM policy actions for Nova Act and table for policy resource type for Nova Act  |  3/12/2026  | 
|  Add glossary and prompting best practices  |  Add a glossary page with definitions for key Nova Act terms and links to the API Reference along with prompting best practices  |  3/18/2026  | 
|  Add S3 export permissions documentation  |  Add documentation for configuring IAM permissions to allow Nova Act to export Agent Trajectory Data to an Amazon S3 bucket  |  4/3/2026  |