

# Document history
<a name="document-revisions"></a>

To be notified about updates to this whitepaper, subscribe to the RSS feed.

| Change | Description | Date | 
| --- |--- |--- |
| [Currency and style refresh](#document-revisions) | Reviewed for currency; removed the historical-reference notice, added an Are you Well-Architected? callout, and applied an editorial style pass. | September 30, 2026 | 
| [Initial publication](#document-revisions) | Whitepaper first published. | November 12, 2021 | 

**Note**  
To subscribe to RSS updates, you must have an RSS plug-in enabled for the browser that you are using.