AWS parallelcluster documentation change
Summary
Added release notes for AWS ParallelCluster version 3.15.0 including new features, component upgrades, bug fixes, and deprecations
Security assessment
This is a routine documentation update for a new software release. While it includes component upgrades (Slurm, Pmix, EFA installer, NVIDIA driver, etc.) that may contain security patches, there is no explicit mention of security vulnerabilities being addressed. The changes are standard release notes describing new features, performance improvements, bug fixes, and deprecations without any security advisory language or CVE references.
Diff
diff --git a/parallelcluster/latest/ug/document_history.md b/parallelcluster/latest/ug/document_history.md index 71734ade6..dd5a5c608 100644 --- a//parallelcluster/latest/ug/document_history.md +++ b//parallelcluster/latest/ug/document_history.md @@ -10,0 +11,55 @@ AWS ParallelCluster Change | Description | Date +AWS ParallelCluster version 3.15.0 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. Enhancements: + + * Add support for p6-b300 instances for all OSs except AL2. + * Replace cfn-hup in compute nodes with systemd timer to support in place updates in order to improve performance for tightly coupled workloads at scale. + * Disable `dnf-makecache.timer` to improve performance for tightly coupled workloads on RHEL/Rocky at scale. + * Support updates of `Tags` during cluster-updates. + * Add `LaunchTemplateOverrides` to cluster config to allow network interfaces to be customized by overriding the launch template of a compute resource. + * Add alarm on missing clustermgtd heartbeat. + +Changes: + + * When EFA is enabled, AWS ParallelCluster now configures network interfaces as `interface` and `efa-only` instead of the combined `efa` type. This reduces IP address consumption from one per network card to one per instance. + * Upgrade Slurm to version 25.11.4 (from 24.11.7). + * Upgrade Pmix to 5.0.10 (from 5.0.6). + * Upgrade EFA installer to 1.47.0 (from 1.44.0). + * Upgrade NVIDIA driver to version 580.105.08 (from 570.172.08) for all OSs except Amazon Linux 2. + * Upgrade GDRCopy to version 2.5.2 (from 2.4.4). + * Upgrade DCV to version 2025.0-20103 (from 2024.0-19030). + * Upgrade CUDA Toolkit to version 13.0.2 (from 12.8.1) for all OSs except Amazon Linux 2. + * Upgrade Python to 3.14.2 (from 3.12.11) for all OSs except Amazon Linux 2. + * Upgrade Cinc Client to version 18.8.54 (from 18.7.10). + * Upgrade Intel MPI Library to 2021.17.2 (from 2021.16.0). + * Upgrade DCGM to version 4.5.1 (from 4.4.1) for all OSs except Amazon Linux 2. + * Upgrade Munge to version 0.5.17 (from 0.5.16) for all OSs except Amazon Linux 2. + * Reduce transient build-image failures in RHEL and Rocky caused by out-of-sync repo mirrors by resetting metadata upon retry. + * Always start clustermgtd on cluster update and compute fleet status update failure, regardless the failure condition. + * Improve resiliency of the cluster update rollback workflow. + * Upgrade NVIDIA Fabric manager to 580.105.08 for all OSs except Amazon Linux 2. + * Upgrade aws-cfn-bootstrap to version 2.0-38 (from 2.0-33). + * Upgrade mysql-community-client to version 8.4.8 (from 8.0.39) for all OSs except Amazon Linux 2. + * Upgrade amazon-efs-utils to version 2.4.0 (from v2.1.0) for Amazon Linux AMI's. + * Upgrade jmespath to ~=1.0 (from ~=0.10). + * Upgrade tabulate to <=0.9.0 (from <=0.8.10). + * Add a validator to warn in case in-place updates have been disabled (via DevSettings) on compute and login nodes. + +Bug Fixes: + + * Fix LoginNodes NLB not being publicly accessible when using public subnet with implicit main route table association. + * Fix a failure when creating a cluster with GPU instances and with DCV enabled but without internet access. + * Fix an issue where cluster creation would intermittently fail due to eventual consistency when the head/compute/login nodes share the same security group. + * Fix build-image failure during ubuntu-desktop installation on a Ubuntu parent image with outdated OS packages. + * Fix validation of `HeadNode/LocalStorage`. This configuration parameter does not support updates. + * Fix validator `PlacementGroupCapacityReservationValidator` to accept capacity reservations with cross-account placement group. + * Fix the CloudWatch agent configuration to ensure proper parsing of timestamps across all log files. + * Fix logging configuration to capture all Slurm health check events (updating log level from WARNING to INFO to prevent missing log entries). + * Improve cluster update resiliency by ensuring the update does not fail on nodes completing the bootstrap during the update. + * Prevent cluster update failure recovery process from running on AWS Batch clusters. This recovery mechanism should only execute on Slurm clusters. + +Deprecations: + + * The `LoginNodes/Pools/Ssh/KeyName` configuration parameter, deprecated since 3.14.0, is no longer supported. + * This is the last AWS ParallelCluster release supporting Amazon Linux 2, as Amazon Linux 2 will reach end of support on June 30, 2026. + * This is the last AWS ParallelCluster release supporting AWS Batch CLI. Starting with v3.16.0, AWS ParallelCluster will no longer support AWS Batch as a scheduler. + +| March 23, 2026