1.33 Release notes

1.33

June 23, 2025 - charmed-kubernetes --channel 1.33/stable

The release bundle can also be downloaded here.

What's new

  • Most charms now support only Jammy and Noble (dropping support for Focal)
  • Support for Terraform deployment of many charms for interoperability with Canonical Kubernetes

calico

  • Updates Calico version to v3.29.3

ceph-csi

  • Detect and block on Kubernetes resource collisions
  • Support formatters for cluster role and cluster role binding names
  • Support for N Ceph clusters to ensure both are read/writable

cilium

  • Update Cilium version to 1.16.10
  • Adds an option to support geneve tunneling protocol
  • Sets non-default VXLAN destination port when Cilium uses VXLAN as tunnel protocol
  • Add enable-session-affinity config to config-map

easyrsa

  • Test with EasyRSA v3.0.9

kube-ovn

  • Update kubeovn version to v1.12.30

kubernetes-control-plane

  • Update CPU usage Prometheus rule
  • LP#2097158 user create action ensures groups is a list of groups
  • Add charm config to ignore missing CNI, and block when CNI is missing
  • Validate allow-privileged configuration

kubernetes-worker

  • LP#2059912 config: Add proxy-real-ip-cidr charm config
  • Add charm config to ignore missing CNI, and block when CNI is missing
  • Setup the None CNI if ignore-missing-cni is true
  • Port the cis-benchmark to the ops worker charm

openstack-cloud-controller

  • Restart CCM DaemonSet when config hash changes

Component Versions

Charm/Addons pinned versions

  • kube-ovn 1.12.30
  • calico 3.29.3
  • cephcsi 3.13.0
  • cinder-csi-plugin 1.27.1
  • coredns 1.11.1
  • ingress-nginx 1.11.5
  • k8s-keystone-auth 1.30.0
  • kube-state-metrics 2.10.1
  • kubernetes-dashboard 2.7.0

Charm default versions

  • openstack-cloud-controller-manager 1.30.0
  • cloud-provider-vsphere 1.31
  • vsphere-csi-driver 3.3.1
  • cloud-provider-azure 1.31.0
  • azuredisk-csi-driver 1.31.2
  • cloud-provider-aws 1.26.1
  • aws-ebs-csi-driver 1.32.0
  • gcp-compute-persistent-disk-csi-driver 1.17.8

Fixes

A list of bug fixes and other minor feature updates in this release can be found at the launchpad milestone page for 1.33.

Deprecations and API changes

For details of other deprecation notices and API changes for Kubernetes 1.33, please see the relevant sections of the upstream release notes.