[3.14.1] Update changelog

Author: Himani Anil Deshpande

CHANGELOG.md

@@ -6,10 +6,8 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 3.14.1
 ------
 
-**ENHANCEMENTS**
-- Ensure clustermgtd runs after cluster update. On success, start it unconditionally. On failure, start it if the queue reconfiguration succeeded.
-
 **CHANGES**
+- Improve cluster update resiliency by ensuring clustermgtd is started after updates complete successfully, or after failed updates where queue reconfiguration succeeded.
 - Add chef attribute `cluster/in_place_update_on_fleet_enabled` to disable in-place updates on compute and login nodes
   and mitigate performance impact at scale.
 - Upgrade Slurm to version 24.11.7 (from 24.11.6).
@@ -29,9 +27,13 @@ This file is used to list changes made in each version of the AWS ParallelCluste
   - Open MPI: openmpi40-aws-4.1.7-2 and openmpi50-aws-5.0.8-11
 
 **BUG FIXES**
-- Fix incorrect timestamp parsing for chef-client.log in CloudWatch Agent configuration.
-- Prevent cluster readiness check failures due to instances launched while the check is in progress.
+- Fix an issue where cfn-hup enters an endless loop on the head node after a rollback to a cluster state older than 24 hours, caused by cfn-signal failing to signal an expired wait condition handle.
 - Fix race condition where compute nodes could deploy the wrong cluster config version after an update failure.
+- Prevent cluster readiness check failures due to instances launched while the check is in progress.
+- Fix incorrect timestamp parsing for chef-client.log in CloudWatch Agent configuration.
+- Reduce EFA installation time for Ubuntu by ~20 minutes by only holding kernel packages for the installed kernel.
+- Add GetFunction and GetPolicy permissions to PClusterBuildImageCleanupRole to prevent AccessDenied errors during build image stack deletion.
+- Fix validation error messages when `DevSettings` is null or `DevSettings/InstanceTypesData` is missing required fields.
 
 3.14.0
 ------