# 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 from the top navigation bar on this page.


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| **Change** | **Description** | **Date** | 
| --- |--- |--- |
| Content refresh | Updated the information and links throughout the publication. | October 10, 2025 | 
| Updated content | Updated the objectives in the [security, risk, and compliance workstream](security-risk-compliance.md). | June 20, 2022 | 
| Updated content  | Updated the content in the [Mobilize phase ](mobilize-phase.md)section for additional clarity.  | February 24, 2020  | 
| Initial publication | — | August 5, 2019 |