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

This topic describes significant updates to the *AWS CloudHSM User Guide*.

**Topics**
+ [Recent updates](#recent-updates)
+ [Earlier updates](#earlier-updates)

## Recent updates
<a name="recent-updates"></a>

The following table describes significant changes to this documentation since April 2018. In addition to major changes listed here, we also update the documentation frequently to improve the descriptions and examples, and to address the feedback you send us. To be notified about significant changes, use the link in the upper right corner to subscribe to the RSS feed.

For details on new releases, see [Downloads for AWS CloudHSM Client SDK](client-history.md)

| Change | Description | Date | 
| --- |--- |--- |
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-17-1) | Released AWS CloudHSM client version 5.17.1. | March 19, 2026 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-17-0) | Released AWS CloudHSM client version 5.17.0. | January 6, 2026 | 
| [Added OpenSSL Provider download links](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-17-0) | Added OpenSSL Provider download links to AWS CloudHSM client version 5.17. | January 6, 2026 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-16-2) | Released AWS CloudHSM client version 5.16.2. | September 16, 2025 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-16-1) | Released AWS CloudHSM client version 5.16.1. | June 25, 2025 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/latest-releases.html#client-version-5-16-0) | Released AWS CloudHSM client version 5.16.0. | May 1, 2025 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-15-0) | Released AWS CloudHSM client version 5.15.0. | February 3, 2025 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-14-0) | Released AWS CloudHSM client version 5.14.0. | November 26, 2024 | 
| [New HSM type and cluster mode](https://docs.aws.amazon.com/cloudhsm/latest/userguide/cluster-hsm-types.html) | Added support for creating (*hsm2m.medium*) in FIPS mode clusters. | August 20, 2024 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-13-0) | Released AWS CloudHSM client version 5.13.0. | August 13, 2024 | 
| [New HSM type and cluster mode](https://docs.aws.amazon.com/cloudhsm/latest/userguide/cluster-hsm-types.html) | Launched a new HSM type (*hsm2m.medium*) and a new cluster mode (*non-FIPS*). | June 10, 2024 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-12-0) | Released AWS CloudHSM client version 5.12.0. | March 20, 2024 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-11-0) | Released AWS CloudHSM client version 5.11.0. | January 17, 2024 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-10-0) | Released AWS CloudHSM client version 5.10.0. | July 28, 2023 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-5-9-0) | Released AWS CloudHSM client version 5.9.0. | May 23, 2023 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated#client-version-5-8-0) | Released AWS CloudHSM client version 5.8.0. | March 16, 2023 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-7-0) | Released AWS CloudHSM client version 5.7.0. | November 16, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-6-0) | Released AWS CloudHSM client version 5.6.0. | September 1, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-5-0) | Released AWS CloudHSM client version 5.5.0. | May 13, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-4-2) | Released AWS CloudHSM client version 5.4.2. | March 18, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-4-1) | Released AWS CloudHSM client version 5.4.1. | February 10, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-4-0) | Released the AWS CloudHSM JCE provider version 5.4.0 for Windows platforms. | February 1, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-4-0) | Released the AWS CloudHSM client version 5.4.0, which adds initial support for the JCE provider for all Linux platforms. | January 28, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-3-0) | Released AWS CloudHSM client version 5.3.0. | January 3, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/client-version-previous.html#client-version-3-4-4) | Released AWS CloudHSM client version 3.4.4. | January 3, 2022 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-4-3) | Released AWS CloudHSM client version 3.4.3. | December 20, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-4-2) | Released AWS CloudHSM client version 3.4.2. | December 15, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-4-1) | Released AWS CloudHSM client version 3.4.1. | December 10, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-2-1) | Released AWS CloudHSM client version 5.2.1. | October 4, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-4-0) | Released AWS CloudHSM client version 3.4.0. | August 25, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-2-0) | Released AWS CloudHSM client version 5.2.0. | August 3, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-3-2) | Released AWS CloudHSM client version 3.3.2. | July 2, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-1-0) | Released AWS CloudHSM client version 5.1.0. | June 1, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-3-1) | Released AWS CloudHSM client version 3.3.1. | April 26, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-0-1) |  Released AWS CloudHSM client version 5.0.1. | April 8, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-5-0-0) | Released AWS CloudHSM client version 5.0.0.  | March 12, 2021 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/cloudhsm-vpc-endpoint.html) | Added interface VPC endpoint, an AWS feature that allows you to create a private connection between your VPC and AWS CloudHSM without requiring access over the internet or through a NAT device, a VPN connection, or an Direct Connect connection.  | February 10, 2021 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-3-0) | Released AWS CloudHSM client version 3.3.0. | February 3, 2021 | 
| [Add new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/manage-backup-retention.html) | Added managed backup retention, a feature that automatically deletes old backups. | November 18, 2020 | 
| [Add new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-2-1) | Added a compliance report that analyzes the AWS CloudHSM Client SDK 3.2.1 implementation of the PKCS \$111 library with the PKCS \$111 standard. | October 29, 2020 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-2-1) | Released AWS CloudHSM client version 3.2.1. | October 8, 2020 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/manage-key-sync.html) | Added documentation that describes key synchronization settings in AWS CloudHSM. | September 1, 2020 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-2-0) | Released AWS CloudHSM client version 3.2.0. | August 31, 2020 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-1-2) | Released AWS CloudHSM client version 3.1.2. | July 30, 2020 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-1-1) | Released AWS CloudHSM client version 3.1.1. | June 3, 2020 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/deprecated.html#client-version-3-1) | Released AWS CloudHSM client version 3.1.0.  | May 21, 2020 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 3.0.1.  | April 20, 2020 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 3.0.0 for Windows Server platform.  | October 30, 2019 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 3.0.0 for all platforms, except Windows.  | October 22, 2019 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 2.0.4. | August 26, 2019 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 2.0.3. | May 13, 2019 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 2.0.1.  | March 21, 2019 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 2.0.0.  | February 6, 2019 | 
| [Added region support](#document-history) | Added AWS CloudHSM support for the EU (Stockholm) and AWS GovCloud (US-East) regions. | December 19, 2018 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 1.1.2 for Windows.  | November 20, 2018 | 
| [Updated known issues](https://docs.aws.amazon.com/cloudhsm/latest/userguide/KnownIssues.html) | New content was added to the Troubleshooting guide. | November 8, 2018 | 
| [Added new release](#document-history) | Released AWS CloudHSM client version 1.1.2 for Linux platforms.  | November 8, 2018 | 
| [Added region support](#document-history) | Added AWS CloudHSM support for the EU (Paris) and Asia Pacific (Seoul) regions. | October 24, 2018 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/delete-restore-backup.html) | Added the ability to delete and restore AWS CloudHSM backups.  | September 10, 2018 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/get-hsm-audit-logs-using-cloudwatch.html) | Added automatic audit log delivery to Amazon CloudWatch Logs.  | August 13, 2018 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/copy-backup-to-region.html) | Added the ability to copy an AWS CloudHSM cluster backup across regions.  | July 30, 2018 | 
| [Added region support](#document-history) | Added AWS CloudHSM support for the EU (London) region. | June 13, 2018 | 
| [Added new content](https://docs.aws.amazon.com/cloudhsm/latest/userguide/cmu-install-and-configure-client-linux.html) | Added AWS CloudHSM client and library support for Amazon Linux 2, Red Hat Enterprise Linux (RHEL) 6, Red Hat Enterprise Linux (RHEL) 7, CentOS 6, CentOS 7, and Ubuntu 16.04 LTS.  | May 10, 2018 | 
| [Added new release](https://docs.aws.amazon.com/cloudhsm/latest/userguide/ksp-library) | Added a Windows AWS CloudHSM client. | April 30, 2018 | 

## Earlier updates
<a name="earlier-updates"></a>

The following table describes the important changes to the AWS CloudHSM prior to 2018.


| Change | Description | Date | 
| --- | --- | --- | 
| New content |  Added quorum authentication (M of N access control) for crypto officers (COs). For more information, see [Using CloudHSM Management Utility (CMU) to manage quorum authentication (M of N access control)](quorum-authentication.md).   | November 9, 2017 | 
| Update |  Added documentation about using the key\$1mgmt\$1util command line tool. For more information, see [Reference for AWS CloudHSM Key Management Utility commands](key_mgmt_util-reference.md).   | November 9, 2017 | 
| New content |  Added Oracle Transparent Data Encryption. For more information, see [Oracle database encryption](oracle-tde.md).   | October 25, 2017 | 
| New content |  Added SSL Offload. For more information, see [SSL/TLS offload](ssl-offload.md).   | October 12, 2017 | 
| New guide |  This release introduces AWS CloudHSM  | August 14, 2017 |