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

The following table describes significant changes to this guide.


| 
| 
| Change | Description | Date | 
| --- |--- |--- |
| Updated best practices | We removed the recommendation to use cfn-nag in the [Common development tools](security-formatting-best-practices.md#common-dev-tools) section. In the [Define standard naming conventions](typescript-best-practices.md#naming-conventions) section, we added standard naming conventions for global constants and added naming examples. | October 23, 2025 | 
| Update code | We updated the code samples in the [Follow TypeScript best practices](typescript-best-practices.md) section. | February 16, 2024 | 
| Add sections | We added the [Use utility types](typescript-best-practices.md#utility-types) and [Integration test](development-best-practices.md#integration-test) sections. | January 10, 2024 | 
| Minor update | Updated code example for creating an L3 construct. | June 16, 2023 | 
| Initial publication | — | December 8, 2022 |