# Release notes and document history
<a name="document_history"></a>

The following tables describe the major updates and new features for the *Amazon ParallelCluster User Guide*. We also update the documentation frequently to address the feedback that you send us.


**Amazon ParallelCluster**  

| Change | Description | Date | 
| --- | --- | --- | 
| Amazon ParallelCluster version 3.15.0 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug Fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Deprecations:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | March 23, 2026 | 
| Amazon ParallelCluster version 3.14.2 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | February 16, 2026 | 
| Amazon ParallelCluster version 3.14.1 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug Fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 22, 2025 | 
| Amazon ParallelCluster version 3.14.0 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Limitations:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug Fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Deprecations:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | September 30, 2025 | 
| Amazon ParallelCluster version 3.13.2 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 24, 2025 | 
| Amazon ParallelCluster version 3.13.1 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 04, 2025 | 
| Amazon ParallelCluster version 3.13.0 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Deprecations:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | April 01, 2025 | 
| Amazon ParallelCluster version 3.12.0 released |  To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. <br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 19, 2024 | 
| Amazon ParallelCluster version 3.11.1 released | Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | October 21, 2024 | 
| Amazon ParallelCluster version 3.11.0 released | Enhancements[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | September 26, 2024 | 
| Amazon ParallelCluster version 3.10.1 released | Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | July 8, 2024 | 
| Amazon ParallelCluster version 3.10.0 released | Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 27, 2024 | 
| Amazon ParallelCluster version 3.9.3 released | To upgrade, type `sudo pip install --upgrade aws-parallelcluster`<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 19, 2024 | 
| Amazon ParallelCluster version 3.9.2 released | Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | May 28, 2024 | 
| Amazon ParallelCluster version 3.9.1 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | April 11, 2024 | 
| Amazon ParallelCluster version 3.9.0 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.12.0) package on GitHub. | March 5, 2024 | 
| Amazon ParallelCluster version 3.8.0 released | Amazon ParallelCluster version 3.8.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 19, 2023 | 
| Amazon ParallelCluster version 3.7.2 released | Amazon ParallelCluster version 3.7.2 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | October 25, 2023 | 
| Amazon ParallelCluster version 3.7.1 released | Amazon ParallelCluster version 3.7.1 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | September 22, 2023 | 
| Amazon ParallelCluster version 3.7.0 released | Amazon ParallelCluster version 3.7.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/releases/tag/v3.7.0), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/releases/tag/v3.7.0), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/releases/tag/v3.7.0) packages on GitHub. | August 30, 2023 | 
| Documentation only release | Amazon ParallelCluster version 3 specific user guide published.<br />Documentation only release:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | July 17, 2023 | 
| Amazon ParallelCluster version 3.6.1 released | Amazon ParallelCluster version 3.6.1 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.6.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.6.1/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.6.1/CHANGELOG.md) packages on GitHub. | July 5, 2023 | 
| Amazon ParallelCluster version 3.6.0 released | Amazon ParallelCluster version 3.6.0 released.<br />Documentation:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.6.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.6.0/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.6.0/CHANGELOG.md) packages on GitHub. | May 22, 2023 | 
| Amazon ParallelCluster version 3.5.1 released | Amazon ParallelCluster version 3.5.1 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.5.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.5.1/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.5.1/CHANGELOG.md) packages on GitHub. | March 29, 2023 | 
| Amazon ParallelCluster version 3.5.0 released | Amazon ParallelCluster version 3.5.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.5.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.5.0/CHANGELOG.md), [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.5.0/CHANGELOG.md), and [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.02) packages on GitHub. | February 20, 2023 | 
| Amazon ParallelCluster version 3.4.1 released | Amazon ParallelCluster version 3.4.1 released.<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.4.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.4.1/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.4.1/CHANGELOG.md) packages on GitHub. | January 13, 2023 | 
| Amazon ParallelCluster version 3.4.0 released | Amazon ParallelCluster version 3.4.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.4.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.4.0/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.4.0/CHANGELOG.md) packages on GitHub. | December 22, 2022 | 
| Amazon ParallelCluster version 3.3.1 released | Amazon ParallelCluster version 3.3.1 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` file for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.3.1/CHANGELOG.md) package on GitHub. | December 2, 2022 | 
| Amazon ParallelCluster documentation only hpc6id note | Amazon ParallelCluster documentation-only update[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 2, 2022 | 
| Amazon ParallelCluster version 3.1.5 released | Amazon ParallelCluster version 3.1.5 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.1.5/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.1.5/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.1.5/CHANGELOG.md) packages on GitHub. | November 16, 2022 | 
| Amazon ParallelCluster version 3.3.0 released | Amazon ParallelCluster version 3.3.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.3.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.3.0/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.3.0/CHANGELOG.md) packages on GitHub. | November 2, 2022 | 
| Amazon ParallelCluster documentation only API reference added. | Amazon ParallelCluster documentation-only update[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | October 27, 2022 | 
| Amazon ParallelCluster version 3.2.1 released | Amazon ParallelCluster version 3.2.1 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.2.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.2.1/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.2.1/CHANGELOG.md) packages on GitHub. | October 3, 2022 | 
| Amazon ParallelCluster version 3.2.0 released | Amazon ParallelCluster version 3.2.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.2.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.2.0/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.2.0/CHANGELOG.md) packages on GitHub. | July 27, 2022 | 
| Amazon ParallelCluster documentation-only updates this year to date | Amazon ParallelCluster documentation-only updates.<br />New sections:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Section updates:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | July 6, 2022 | 
| Amazon ParallelCluster version 3.1.4 released | Amazon ParallelCluster version 3.1.4 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.1.4/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.1.4/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.1.4/CHANGELOG.md) packages on GitHub. | May 16, 2022 | 
| Amazon ParallelCluster version 3.1.3 released | Amazon ParallelCluster version 3.1.3 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.1.3/CHANGELOG.md), and [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.1.3/CHANGELOG.md) packages on GitHub. | April 20, 2022 | 
| Amazon ParallelCluster version 3.1.2 released | Amazon ParallelCluster version 3.1.2 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.1.2/CHANGELOG.md) package on GitHub. | March 2, 2022 | 
| Amazon ParallelCluster version 3.1.1 released | Amazon ParallelCluster version 3.1.1 released.[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.1.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.1.1/CHANGELOG.md), and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.1.1/CHANGELOG.md) packages on GitHub. | February 10, 2022 | 
| Amazon ParallelCluster version 3.0.3 released | Amazon ParallelCluster version 3.0.3 released.[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v2.11.4/CHANGELOG.md) and [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v2.11.4/CHANGELOG.md) packages on GitHub. | January 17, 2022 | 
| Amazon ParallelCluster version 3.0.2 released | Amazon ParallelCluster version 3.0.2 released.<br />Upgrade [Elastic Fabric Adapter](./efa-v3.html) installer to 1.14.1[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />GPUDirect RDMA is always enabled if supported by the instance type. The [GdrSupport](./Scheduling-v3.html#yaml-Scheduling-SlurmQueues-ComputeResources-Efa-GdrSupport) configuration option has no effect.<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.0.2/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.0.2/CHANGELOG.md) and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.0.2/CHANGELOG.md) packages on GitHub. | November 5, 2021 | 
| Amazon ParallelCluster version 3.0.1 released | Amazon ParallelCluster version 3.0.1 released.<br />Cluster configuration migration tool[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Head node can be stopped[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Default Amazon Region read from `~/.aws/config` file[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.0.1/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.0.1/CHANGELOG.md) and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.0.1/CHANGELOG.md) packages on GitHub. | October 27, 2021 | 
| Amazon ParallelCluster version 3.0.0 released | Amazon ParallelCluster version 3.0.0 released.<br />Support for cluster management via Amazon API Gateway[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Improved custom AMI creation[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster](https://github.com/aws/aws-parallelcluster/blob/v3.0.0/CHANGELOG.md), [aws-parallelcluster-cookbook](https://github.com/aws/aws-parallelcluster-cookbook/blob/v3.0.0/CHANGELOG.md) and [aws-parallelcluster-node](https://github.com/aws/aws-parallelcluster-node/blob/v3.0.0/CHANGELOG.md) packages on GitHub. | September 10, 2021 | 


**PCUI**  

| Change | Description | Date | 
| --- | --- | --- | 
| PCUI version 2026.04.0 released | PCUI version 2026.04.0 released<br />Breaking changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Security:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | April 30, 2026 | 
| PCUI version 2025.04.0 released | PCUI version 2025.04.0 released<br />Breaking changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Security:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | April 16, 2025 | 
| PCUI version 2024.11.0 released | PCUI version 2024.11.0 released<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | November 22, 2024 | 
| PCUI version 2024.10.0 released | PCUI version 2024.10.0 released<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Security:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | October 22, 2024 | 
| PCUI version 2024.05.0 released | PCUI version 2024.05.0 released.<br />Bug Fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | May 14, 2024 | 
| PCUI version 2024.04.0 released | PCUI version 2024.04.0 released.<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | April 17, 2024 | 
| PCUI version 2024.03.0 released | PCUI version 2024.03.0 released.<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [https://github.com/aws/aws-parallelcluster-ui/releases/tag/2024.03.0](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2024.03.0) package on GitHub. | March 12, 2024 | 
| PCUI version 2024.02.0 released | PCUI version 2024.02.0 released<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [https://github.com/aws/aws-parallelcluster-ui/releases/tag/2024.02.0](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2024.02.0) package on GitHub. | February 8, 2024 | 
| PCUI version 2023.12.0 released | PCUI version 2023.12.0 released.<br /> <br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.12.0) package on GitHub. | December 21, 2023 | 
| PCUI version 2023.10.0 released | PCUI version 2023.10.0 released.<br />Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Improvements[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.10.0) package on GitHub. | October 20, 2023 | 
| PCUI version 2023.06.0 released | PCUI version 2023.06.0 released.<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Notes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.06.0) package on GitHub. | June 7, 2023 | 
| PCUI version 2023.05.0 released | PCUI version 2023.05.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.05.0) package on GitHub. | May 16, 2023 | 
| PCUI version 2023.04.0 released | PCUI version 2023.04.0 released.<br />Enhancements:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html)<br />For details of the changes, see the `CHANGELOG` files for the [aws-parallelcluster-ui](https://github.com/aws/aws-parallelcluster-ui/releases/tag/2023.04.0) package on GitHub. | April 17, 2023 | 


**Terraform**  

| Change | Description | Date | 
| --- | --- | --- | 
| Terraform Provider for Amazon ParallelCluster 1.1.0 released | Bug fixes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 6, 2024 | 
| Terraform Module for Amazon ParallelCluster 1.1.0 released | Changes:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | December 6, 2024 | 
| Terraform Provider for Amazon ParallelCluster 1.0.0 released | Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 26, 2024 | 
| Terraform Module for Amazon ParallelCluster 1.0.0 released | Features:[See the AWS documentation website for more details](http://docs.amazonaws.cn/en_us/parallelcluster/latest/ug/document_history.html) | June 26, 2024 |