# Document history
<a name="doc-history"></a>

The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/prescriptive-guidance/latest/presigned-url-best-practices/presigned-url-best-practices.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Updates and clarifications](#doc-history) | In the [Additional guardrails](https://docs.aws.amazon.com/prescriptive-guidance/latest/presigned-url-best-practices/additional-guardrails.html) section, added information about RCPs and clarified exceptions. | August 8, 2025 | 
| [Initial publication](#doc-history) | — | July 23, 2024 |