# Document history for the AWS Payment Cryptography User Guide
<a name="doc-history"></a>

The following table describes the documentation releases for AWS Payment Cryptography.

| Change | Description | Date | 
| --- |--- |--- |
| [Asymmetric key support for Multi-Region key replication](#doc-history) | Multi-Region key replication now supports asymmetric Payment Cryptography keys such as RSA and ECC, in addition to symmetric keys.  | July 27, 2026 | 
| [New Feature - AS2805](#doc-history) | Support for algorithms and flows to support AS2805 regional support  | December 17, 2025 | 
| [New Feature - Multi-Region key replication](#doc-history) | With Multi-Region key replication, you can replicate your AWS Payment Cryptography keys to multiple AWS Regions.  | September 10, 2025 | 
| [New Feature - ECDH](#doc-history) | With this release, ECDH can be used to establish a shared KEK for further key exchange.  | March 30, 2025 | 
| [New Key Exchange Guidance](#doc-history) | New guidance provided for key exchanges. Information on common JCB commands also added.  | January 31, 2025 | 
| [New region launch](#doc-history) | Added endpoints for new region launch in Europe (Frankfurt), Europe (Ireland), Asia Pacific (Singapore) and Asia Pacific (Tokyo)  | July 31, 2024 | 
| [CloudTrail for Data Plane and Dynamic Keys](#doc-history) | Added information about utilizing CloudTrail for data plane (cryptographic) operations including examples. Also added information about utilizing Dynamic Keys for certain functions to better support one-time or limited use keys that should not be imported into AWS Payment Cryptography  | July 10, 2024 | 
| [Updated Examples](#doc-history) | Added new examples for card issuing | July 1, 2024 | 
| [Feature release](#doc-history) | Adding information on VPC endpoints(PrivateLink) and iCVV examples. | May 30, 2024 | 
| [Feature release](#doc-history) | Information added on new features around key import/export using RSA and exporting DUKPT IPEK/IK keys. | January 15, 2024 | 
| [Initial release](#doc-history) | Initial release of the AWS Payment Cryptography User Guide | June 8, 2023 | 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS Payment Cryptography. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query payment-cryptography` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).