Review release notes for Kubernetes versions on standard support

Dynamic Resource Allocation (DRA) Core APIs (GA): Dynamic Resource Allocation has graduated to stable, enabling efficient management of specialized hardware like GPUs through standardized allocation interfaces - simplifying resource management for hardware accelerators and improving utilization of specialized resources.

Projected ServiceAccount Tokens for Kubelet (Beta): This enhancement improves security by using short-lived credentials for container image pulls instead of long-lived secrets - reducing the risk of credential exposure and strengthening the overall security posture of your clusters.

Pod-level Resource Requests and Limits (Beta): This feature simplifies resource management by allowing shared resource pools for multi-container pods - enabling more efficient resource allocation and utilization for complex applications with multiple containers.

Mutable CSI Node Allocatable Count (Beta): The MutableCSINodeAllocatableCount feature gate is enabled by default in EKS 1.34, making the CSINode max attachable volume count attribute mutable and introducing a mechanism to update it dynamically based on user configuration at the CSI driver level. These updates can be triggered either by periodic intervals or by failure detection, enhancing the reliability of stateful pod scheduling by addressing mismatches between reported and actual attachment capacity on nodes.

Deprecation Notice - cgroup driver configuration: Manual cgroup driver configuration is being deprecated in favor of automatic detection.

In-Place Pod Resource Resize (Beta): In-place resource resize has been promoted to beta, allowing dynamic updates to CPU and memory resources for existing Pods without restarts - enabling vertical scaling of stateful workloads with zero downtime and seamless resource adjustments based on traffic patterns.

Sidecar Containers Now Stable: Sidecar containers have graduated to stable, implementing sidecars as special init containers with restartPolicy: Always that start before application containers, run throughout the pod lifecycle, and support probes for operational state signaling.

Endpoints API Deprecation: The Endpoints API is now officially deprecated and will return warnings when accessed - migrate workloads and scripts to use the EndpointSlices API instead, which supports modern features like dual-stack networking and handles multiple EndpointSlices per Service.

Elastic Fabric Adapter Support: The default security group for Amazon EKS clusters now supports Elastic Fabric Adapter (EFA) traffic. The default security group has a new outbound rule that allows EFA traffic with the destination of the same security group. This allows EFA traffic within the cluster.

The Memory Manager feature has graduated to Generally Available (GA) status in Kubernetes version 1.32. This enhancement provides more efficient and predictable memory allocation for containerized applications, particularly beneficial for workloads with specific memory requirements.

PersistentVolumeClaims (PVCs) created by StatefulSets now include automatic cleanup functionality. When PVCs are no longer needed, they will be automatically deleted while maintaining data persistence during StatefulSet updates and node maintenance operations. This feature simplifies storage management and helps prevent orphaned PVCs in your cluster.

Custom Resource Field Selector functionality has been introduced, allowing developers to add field selectors to custom resources. This feature provides the same filtering capabilities available for built-in Kubernetes objects to custom resources, enabling more precise and efficient resource filtering and promoting better API design practices.

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