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

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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/privacy-reference-architecture/privacy-reference-architecture.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Signficant updates](#doc-history) | We added Cloud Computing Compliance Controls Catalog (C5) to the [AWS Artifact](https://docs.aws.amazon.com/prescriptive-guidance/latest/privacy-reference-architecture/org-management-account.html#aws-artifact) section. We added Amazon Security Lake to the [Log Archive account](https://docs.aws.amazon.com/prescriptive-guidance/latest/privacy-reference-architecture/log-archive-account.html). We added Amazon Bedrock, AWS Clean Rooms, Amazon DataZone, AWS Lake Formation, Amazon SageMaker AI, and *AWS services and features that help discover, classify, or catalog data* to the [PD Application account](https://docs.aws.amazon.com/prescriptive-guidance/latest/privacy-reference-architecture/personal-data-account.html). We added the [Strategizing for global expansion](https://docs.aws.amazon.com/prescriptive-guidance/latest/privacy-reference-architecture/global-expansion.html) section. | September 16, 2025 | 
| [Signficant updates](#doc-history) | We made significant updates throughout. | March 26, 2024 | 
| [Initial publication](#doc-history) | — | October 2, 2023 |