# 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/modernization-phased-approach/modernization-phased-approach.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Expanded guidance](#doc-history) | — | May 25, 2023 | 
| [Initial publication](#doc-history) | — | December 18, 2020 |