Software Updated (Kubernetes 1.36 and more)

Software has been updated on all clusters in all regions.

The Kubernetes version has been updated from v1.35.3 to v1.36.3. For details on what changed, see the Kubernetes official release blog entry.

The updated software versions are as follows.

Clusters and Add-ons

Software Before After Documentation
Kubernetes v1.35.3 v1.36.3 https://kubernetes.io/
Cilium v1.19.6 v1.20.1 https://docs.cilium.io/
Prometheus Operator v0.90.1 v0.93.1 https://prometheus-operator.dev/
Hierarchical Namespaces v1.1.0-pfnet.11 v1.1.0-pfnet.12 https://github.com/pfnet/hierarchical-namespaces
Amazon EKS Pod Identity Webhook v0.6.14 v0.6.17 https://github.com/aws/amazon-eks-pod-identity-webhook
GCP Workload Identity Federation Webhook v0.6.0 v0.7.0 https://github.com/pfnet-research/gcp-workload-identity-federation-webhook
Image pull secrets provisioner v0.1.2 v0.1.5 https://github.com/pfnet/image-pull-secrets-provisioner
Astra Trident v26.02.1 v26.06.1 https://docs.netapp.com/us-en/trident/index.html
Flux v2.8.5 v2.9.1 https://fluxcd.io/flux
KEDA v2.19.0 v2.20.2 https://keda.sh
Actions Runner Controller v0.14.1 v0.14.2 https://github.com/actions/actions-runner-controller
Sealed Secrets v0.36.6 v0.38.4 https://github.com/bitnami-labs/sealed-secrets
Headlamp v0.41.0 v0.45.0 https://headlamp.dev/
MOCO v0.34.0 v0.36.0 https://cybozu-go.github.io/moco/
JobSet v0.11.1 v0.12.0-pfnet.0 https://jobset.sigs.k8s.io/, https://github.com/pfnet/jobset

Monitoring Service

Software Before After Documentation
Grafana v12.3.1 v13.2.1 https://grafana.com/docs/grafana/latest/
Prometheus v3.10.0 v3.13.2 https://prometheus.io/
Alertmanager v0.31.1 v0.33.1 https://prometheus.io/docs/alerting/latest/alertmanager/

PFCP performs regular software version upgrades to improve the stability, performance, and security of Kubernetes and other components. For details, see the PFCP User Guide / Maintenance Policy.

Update (September 8, 2026)

An issue occurred in Grafana that caused plugins to fail to load, so we updated Grafana from v13.2.0 to v13.2.1. This update is solely for bug fixes and does not change Grafana’s user experience or functionality.