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Kubernetes v1.35: Fine-grained Supplemental Groups Control Graduates to GA

On behalf of Kubernetes SIG Node, we are pleased to announce the graduation of fine-grained supplemental groups control to General Availability (GA) in Kubernetes v1.35! The new Pod field, supplementalGroupsPolicy, was introduced as an opt-in alpha feature for Kubernetes v1.31, and then had graduated to beta in v1.33. Now, the feature is generally available. This feature allows you to implement more precise control over supplemental groups in Linux containers that can strengthen the security posture particularly in accessing volumes. Moreover, it also enhances the transparency of UID/GID details in containers, offering improved security oversight. If you are planning to upgrade your cluster from v1.32 or an earlier version, please be aware that some behavioral breaking change introduced si

Source: Kubernetes

Kubernetes@kubernetesio Dec 23, 2025Published 18:30 UTCSignal Time 78Trust Score
K8s Kubernetes kubernetes.io

On behalf of Kubernetes SIG Node, we are pleased to announce the graduation of fine-grained supplemental groups control to General Availability (GA) in Kubernetes v1.35! The new Pod field, supplementalGroupsPolicy, was introduced as an opt-in alpha feature for Kubernetes v1.31, and then had graduated to beta in v1.33. Now, the feature is generally available. This feature allows you to implement more precise control over supplemental groups in Linux containers that can strengthen the security posture particularly in accessing volumes. Moreover, it also enhances the transparency of UID/GID details in containers, offering improved security oversight. If you are planning to upgrade your cluster from v1.32 or an earlier version, please be aware that some behavioral breaking change introduced si

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Source Article Kubernetes v1.35: Fine-grained Supplemental Groups Control Graduates to GA kubernetes.io