AWS pcs documentation change

Service: pcs · 2026-04-25 · Documentation low

File: pcs/latest/userguide/doc-history.md

Summary

Added multiple documentation updates: AWS PCS released in Europe (Spain), updated for Slurm 25.11, new scheduler audit logs feature, and updated scheduler logs with slurmdbd and slurmrestd

Security assessment

This change documents new features including 'Scheduler audit logs' which is a security monitoring feature. Audit logs are security-relevant for compliance and monitoring, but there's no evidence this addresses a specific security vulnerability.

Diff

diff --git a/pcs/latest/userguide/doc-history.md b/pcs/latest/userguide/doc-history.md
index b5efe1878..e00a22ed3 100644
--- a//pcs/latest/userguide/doc-history.md
+++ b//pcs/latest/userguide/doc-history.md
@@ -12,0 +13,10 @@ Date | Change | Documentation updates | API versions updated
+April 23, 2026 | AWS PCS released in Europe (Spain) |  AWS PCS is now available in Europe (Spain) (eu-south-2). CloudFormation templates are available to get started in the Europe (Spain) AWS Region. For more information, see [Use CloudFormation to create a sample AWS PCS cluster](./get-started-cfn-create.html) and [CloudFormation templates to create a sample AWS PCS cluster](./get-started-cfn-sample-templates.html). |  N/A   
+April 23, 2026 | Updated for Slurm 25.11 |  Updated the user guide for Slurm 25.11.2-1 support. Slurm 25.11 is now the default version. Sample AMIs for Slurm 25.11 are now based on Amazon Linux 2023. For more information, see the following:
+
+  * [Slurm versions in AWS PCS](./slurm-versions.html)
+  * [Software installers to build custom AMIs for AWS PCS](./working-with_ami_installers.html)
+  * [Release notes for AWS PCS sample AMIs](./ami-release-notes.html)
+
+|  N/A   
+April 22, 2026 | New feature: Scheduler audit logs |  AWS PCS now delivers scheduler audit logs separately through the `PCS_SCHEDULER_AUDIT_LOGS` log type for clusters running Slurm 25.11 or later. For more information, see [Scheduler audit logs in AWS PCS](./monitoring_scheduler-audit-logs.html). | N/A  
+April 22, 2026 | Updated scheduler logs with slurmdbd and slurmrestd |  AWS PCS now delivers `slurmdbd` logs (Slurm 24.11+) and `slurmrestd` logs (Slurm 25.05+) through the existing `PCS_SCHEDULER_LOGS` log type. For more information, see [Scheduler logs in AWS PCS](./monitoring_scheduler-logs.html). | N/A