Release Notes.
Release notes for Avisi Cloud Kubernetes.
Introduction
This page documents updates to the Avisi Managed Environment Kubernetes clusters. This contains; new or updated functionality, bug fixes, known issues and deprecation announcements.
- Please see our Kubernetes lifecycle policy for more information about how we handle our version management.
- Check out our how to upgrade for information on how to upgrade your cluster.
Table of Content
Upcoming releases
Kubernetes v1.27
Release notes
Kubernetes v1.26
v1.26.2-u-ame.3
Information
- Kubernetes version: v1.26.2-ubuntu
- Cluster controller version: v0.35.6
- OS: Ubuntu 22.04.1 LTS
- Date: 21MAR2023
Changes
- Optimized sysctl settings for nodes
- Calico upgrade to v3.25 (fix broken http/2 health checking for calico-controller)
Impact:
No additional impact
v1.26.2-u-ame.1
Information
- Kubernetes version: v1.26.2-ubuntu
- Cluster controller version: v0.35.5
- OS: Ubuntu 22.04.1 LTS
- Date: 06MAR2023
Changes
- Upgrade Containerd to v1.6.19
- Add support for replacing orphaned machines
Impact:
No additional impact
v1.26.0-u-ame.2
Information
- Kubernetes version: v1.26.0-ubuntu
- Cluster controller version: 0.35.2
- OS: Ubuntu 22.04.1 LTS
- Date: 29DEC2022
Changes
- Upgrade Containerd to v1.6.14
- Enable seccomp by default for all workloads
- NAT gateway is now only provisioned when a node pool exists within the availability zone (AWS only)
- Upgrade snapshot controller to v4.2.1
- Upgrade cluster-proportional-autoscaler to 1.8.6
- Upgrade node problem detector to v0.8.12
- Add VPC gateway endpoints for S3 within the same region (AWS only)
- Switch to registry.k8s.io for all Kubernetes images (k8s.grc.io is deprecated)
- Drop support for Pod Security Policy (replaced by Pod Security Standards)
- Collect resource usage for cloud resources
- Upgrade node distribution to Ubuntu 22.04 LTS Jammy
Impact:
No additional impact
Kubernetes v1.25
v1.25.7-u-ame.3
Information
- Kubernetes version: v1.25.7-ubuntu
- Cluster controller version: v0.35.6
- OS: Ubuntu 20.04.5 LTS
- Date: 21MAR2023
Changes
- Optimized sysctl settings for nodes
- Calico upgrade to v3.25 (fix broken http/2 health checking for calico-controller)
Impact:
No additional impact
v1.25.7-u-ame.2
Superseded by v1.25.7-u-ame.3
v1.25.7-u-ame.1
Information
- Kubernetes version: v1.25.7-ubuntu
- Cluster controller version: v0.35.5
- OS: Ubuntu 20.04.5 LTS
- Date: 06MAR2023
Changes
- Upgrade Containerd to v1.6.19
- Add support for replacing orphaned machines
Impact:
No additional impact
v1.25.6-u-ame.6
Information
- Kubernetes version: v1.25.6-ubuntu
- Cluster controller version: v0.35.6
- OS: Ubuntu 20.04.5 LTS
- Date: 21MAR2023
Changes
- Optimized sysctl settings for nodes
- Calico upgrade to v3.25 (fix broken http/2 health checking for calico-controller)
- Add support for replacing orphaned machines
Impact:
No additional impact
v1.25.5-u-ame.2
Information
- Kubernetes version: v1.25.5-ubuntu
- Cluster controller version: 0.35.2
- OS: Ubuntu 20.04.5 LTS
- Date: 29DEC2022
Changes
- Upgrade Containerd to v1.6.14
- Enable seccomp by default for all workloads
- NAT gateway is now only provisioned when a node pool exists within the availability zone (AWS only)
- Upgrade snapshot controller to v4.2.1
- Upgrade cluster-proportional-autoscaler to 1.8.6
- Upgrade node problem detector to v0.8.12
- Add VPC gateway endpoints for S3 within the same region (AWS only)
- Switch to registry.k8s.io for all Kubernetes images (k8s.grc.io is deprecated)
- Drop support for Pod Security Policy (replaced by Pod Security Standards)
- Collect resource usage for cloud resources
Impact:
No additional impact
Kubernetes v1.24
v1.24.8-u-ame.1
Information
- Kubernetes version: v1.24.8-ubuntu
- Cluster controller version: v0.33.4
- OS: Ubuntu 20.04.5 LTS
- Date: 11nov2022
Changes
- Fix CVE-2022-3162: Unauthorized read of Custom Resources
- Fix CVE-2022-3294: Node address isn’t always verified when proxying
Impact:
No additional impact
v1.24.6-u-ame.0
Information
- Kubernetes version: v1.24.6-ubuntu
- Cluster controller version: v0.33.0
- OS: Ubuntu 20.04.5 LTS
- Date: 30sep2022
Changes
- Upgrade Konnectivity to v0.0.33
Impact:
No additional impact
v1.24.5-u-ame.2 - security release
Information
- Kubernetes version: v1.24.5-ubuntu
- Cluster controller version: v0.32.4
- OS: Ubuntu 20.04.5 LTS
- Date: 19sep2022
Changes
- Upgrade Runc to v1.1.4
- Improved node installation
v1.24.4-u-ame.0
Information
- Kubernetes version: v1.24.4-ubuntu
- Cluster controller version: v0.31.2
- OS: Ubuntu 20.04.4 LTS
- Date: 29aug2022
Changes
- Upgrade Containerd to v1.6.8
- Upgrade kube-state-metrics to v2.5.0
- Upgrade snapshot-controller to v4.0.1
Impact:
No additional impact
v1.24.2-u-ame.2
Information
- Kubernetes version: v1.24.2-ubuntu
- Cluster controller version: v0.30.4
- OS: Ubuntu 20.04.4 LTS
- Date: 7Jul2022
Changes
- Upgrade Containerd to v1.6.6
- Upgrade Promtail sidecar to v2.5.0
- Upgrade EBS CSI to v1.6.1
- Add gp3 storage class (AWS)
Impact:
No additional impact
v1.24.1-u-ame.1
Information
- Kubernetes version: v1.24.1-ubuntu
- Cluster controller version: v0.30.1
- OS: Ubuntu 20.04.4 LTS
- Date: 14Jun2022
Changes
- Upgrade Etcd to v3.5.3-0
- Upgrade Konnectivity to v0.0.31
- Upgrade Calico to v3.23.0
- Upgrade Containerd to v1.6.4
- Support Openstack (beta)
- Support DigitalOcean (beta)
Impact:
No additional impact
Kubernetes v1.23
v1.23.14-u-ame.1
Information
- Kubernetes version: v1.23.14-ubuntu
- Cluster controller version: v0.33.4
- OS: Ubuntu 20.04.5 LTS
- Date: 11nov2022
Changes
- Fix CVE-2022-3162: Unauthorized read of Custom Resources
- Fix CVE-2022-3294: Node address isn’t always verified when proxying
Impact:
No additional impact
v1.23.12-u-ame.0
Information
- Kubernetes version: v1.23.12-ubuntu
- Cluster controller version: v0.33.0
- OS: Ubuntu 20.04.5 LTS
- Date: 30sep2022
Changes
- Upgrade Konnectivity to v0.0.33
v1.23.11-u-ame.2 - security release
Information
- Kubernetes version: v1.23.11-ubuntu
- Cluster controller version: v0.32.4
- OS: Ubuntu 20.04.5 LTS
- Date: 19sep2022
Changes
- Upgrade Runc to v1.1.4
- Improved node installation
v1.23.10-u-ame.0
Information
- Kubernetes version: v1.23.10-ubuntu
- Cluster controller version: v0.31.2
- OS: Ubuntu 20.04.4 LTS
- Date: 29aug2022
Changes
- Upgrade Containerd to v1.6.8
- Upgrade kube-state-metrics to v2.5.0
- Upgrade snapshot-controller to v4.0.1
Impact:
No additional impact
v1.23.8-u-ame.1
Information
- Kubernetes version: v1.23.8-ubuntu
- Cluster controller version: v0.30.4
- OS: Ubuntu 20.04.4 LTS
- Date: 7Jul2022
Changes
- Upgrade Containerd to v1.6.6
- Upgrade Promtail sidecar to v2.5.0
- Upgrade EBS CSI to v1.6.1
- Add gp3 storage class (AWS)
Impact:
No additional impact
v1.23.7-u-ame.1
Information
- Kubernetes version: v1.23.7-ubuntu
- Cluster controller version: v0.30.1
- OS: Ubuntu 20.04.4 LTS
- Date: 14Jun2022
Changes
- Upgrade Etcd to v3.5.3-0
- Upgrade Konnectivity to v0.0.31
- Upgrade Calico to v3.23.0
- Upgrade Containerd to v1.6.4
- Support Openstack (beta)
- Support DigitalOcean (beta)
Impact:
Control plane will be briefly offline during the upgrade
v1.23.6-u-ame.0
Information
- Kubernetes version: v1.23.6-ubuntu
- Cluster controller version: v0.28.0
- OS: Ubuntu 20.04.4 LTS
- Date: 05may2022
Changes
- Upgrade node-problem-detector to v0.8.10
- Upgrade cluster-proportional-autoscaler to v1.8.5
- Upgrade metrics-server to v0.6.1
- Upgrade Etcd to v3.5.1-0
- Upgrade Containerd to v1.6.3
Impact:
Control plane will be briefly offline during the upgrade
v1.23.5-u-ame.0
Information
- Kubernetes version: v1.23.5-ubuntu
- Cluster controller version: v0.27.3
- OS: Ubuntu 20.04.4 LTS
- Date: 22mar2022
Changes
- Resolve CVE-2022-0847
- Resolve CVE-2022-0778
- Upgrade Ceph CSI plugin to v3.5.1
- Upgrade Konnectivity to v0.0.30
- Upgrade Calico to v3.21.4
- Fix NFS mounts
Impact:
No additional impact
v1.23.4-u-ame.0 - 04mar2022
Versions
- Kubernetes version: v1.23.4-ubuntu
- Cluster controller version: v0.27.2
- Ubuntu 20.04.3 LTS
Changes
- Resolve containerd CVE CVE-2022-23648
Impact:
No additional impact
Kubernetes v1.22
v1.22.14-u-ame.0 - security release
Information
- Kubernetes version: v1.22.14-ubuntu
- Cluster controller version: v0.29.5
- OS: Ubuntu 20.04.5 LTS
- Date: 19sep2022
Impact:
No additional impact
v1.22.13-u-ame.0
Information
- Kubernetes version: v1.22.13-ubuntu
- Cluster controller version: v0.29.4
- OS: Ubuntu 20.04.4 LTS
- Date: 29aug2022
Impact:
No additional impact
v1.22.13-ame.0
Information
- Kubernetes version: v1.22.13
- Cluster controller version: v0.29.4
- OS: Centos 7
- Date: 29aug2022
Impact:
No additional impact
v1.22.11-u-ame.0
Information
- Kubernetes version: v1.22.11-ubuntu
- Cluster controller version: v0.29.3
- OS: Ubuntu 20.04.4 LTS
- Date: 7Jul2022
Changes
- Upgrade Containerd to v1.5.13
- Upgrade Crictl to v1.22.1
Impact:
No additional impact
v1.22.11-ame.0
Information
- Kubernetes version: v1.22.11
- Cluster controller version: v0.29.3
- OS: Centos 7
- Date: 7Jul2022
Changes
- Upgrade Crictl to v1.22.1
Impact:
No additional impact
v1.22.9-u-ame.0
Information
- Kubernetes version: v1.22.9-ubuntu
- Cluster controller version: v0.28.0
- OS: Ubuntu 20.04.4 LTS
- Date: 22mar2022
Changes
- Upgrade node-problem-detector to v0.8.10
- Upgrade cluster-proportional-autoscaler to v1.8.5
- Upgrade metrics-server to v0.6.1
- Upgrade Etcd to v3.5.1-0
- Upgrade Containerd to v1.5.11
Impact:
Control plane will be briefly offline during the upgrade
Information
- Kubernetes version: v1.22.8-ubuntu
- Cluster controller version: v0.27.3
- OS: Ubuntu 20.04.4 LTS
- Date: 22mar2022
Changes
- Resolve CVE-2022-0847
- Resolve CVE-2022-0778
- Upgrade Ceph CSI plugin to v3.5.1
- Upgrade Konnectivity to v0.0.30
- Upgrade Calico to v3.21.4
- Fix NFS mounts
Impact:
No additional impact
v1.22.8-ame.0
Information
- Kubernetes version: v1.22.8
- Cluster controller version: v0.27.3
- Date: 22mar2022
Changes
- Upgrade Ceph CSI plugin to v3.5.1
- Upgrade Konnectivity to v0.0.30
- Upgrade Calico to v3.21.4
Impact:
No additional impact
v1.22.7-u-ame.0 - 04mar2022
Versions
- Kubernetes version: v1.22.7-ubuntu
- Cluster controller version: v0.27.2
- Ubuntu 20.04.3 LTS
Changes
- Resolve containerd CVE CVE-2022-23648
Impact:
No additional impact
v1.22.7-ame.0 - 04mar2022
Versions
- Kubernetes version: v1.22.7
- Cluster controller version: v0.27.2
Changes
- Resolve containerd CVE CVE-2022-23648
Impact:
No additional impact
v1.22.6-u-ame.1 - 25feb2022
Versions
- Kubernetes version: v1.22.6-ubuntu
- Cluster controller version: v0.27.1
- Ubuntu 20.04.3 LTS
Changes
- Various improvements
- Support Pod Security Feature Gate
- Remove installation of deprecated Pod Security Policy resources
- Full support for stopping and destroying clusters
Impact:
No additional impact
v1.22.6-ame.1 - 25feb2022
Versions
- Kubernetes version: v1.22.6
- Cluster controller version: v0.27.1
Changes
- Various improvements
- Support Pod Security Feature Gate
- Remove installation of deprecated Pod Security Policy resources
- Full support for stopping and destroying clusters
Impact:
No additional impact
v1.22.6-u-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.22.6-ubuntu
- Cluster controller version: v0.26.1
- Ubuntu 20.04.3 LTS
Changes
- Resolve CVE-2022-0185
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.5.9
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.22.6-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.22.6
- Cluster controller version: v0.26.1
Changes
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.4.12 (from v1.5.5)
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.22.2-ame.0 - 20sep2021
Versions
- Kubernetes version: v1.22.2
- Cluster controller version: v0.23.0
Changes
- Update registry.avisi.cloud for CNI images
- Upgrade apiserver network proxy to v0.0.24
- Resolve CVE-2021-25741
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
Kubernetes v1.21
v1.21.11-u-ame.0
Information
- Kubernetes version: v1.21.11-ubuntu
- Cluster controller version: v0.27.3
- OS: Ubuntu 20.04.4 LTS
- Date: 22mar2022
Changes
- Resolve CVE-2022-0847
- Resolve CVE-2022-0778
- Upgrade Ceph CSI plugin to v3.5.1
- Upgrade Konnectivity to v0.0.30
- Upgrade Calico to v3.21.4
- Fix NFS mounts
Impact:
No additional impact
v1.21.11-ame.0
Information
- Kubernetes version: v1.21.11
- Cluster controller version: v0.27.3
- Date: 22mar2022
Changes
- Upgrade Ceph CSI plugin to v3.5.1
- Upgrade Konnectivity to v0.0.30
- Upgrade Calico to v3.21.4
Impact:
No additional impact
v1.21.10-u-ame.0 - 04mar2022
Versions
- Kubernetes version: v1.21.10-ubuntu
- Cluster controller version: v0.27.2
- Ubuntu 20.04.3 LTS
Changes
- Resolve containerd CVE CVE-2022-23648
Impact:
No additional impact
v1.21.10-ame.0 - 04mar2022
Versions
- Kubernetes version: v1.21.10
- Cluster controller version: v0.27.2
Changes
- Resolve containerd CVE CVE-2022-23648
Impact:
No additional impact
v1.21.9-u-ame.1 - 25feb2022
Versions
- Kubernetes version: v1.21.9-ubuntu
- Cluster controller version: v0.26.3
- Ubuntu 20.04.3 LTS
Changes
- Minor bug fixes
Impact:
No additional impact
v1.21.9-ame.1 - 25feb2022
Versions
- Kubernetes version: v1.21.9
- Cluster controller version: v0.26.3
Changes
- Minor bug fixes
Impact:
No additional impact
v1.21.9-u-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.21.9-ubuntu
- Cluster controller version: v0.26.1
- Ubuntu 20.04.3 LTS
Changes
- Resolve CVE-2022-0185
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.5.9
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.21.9-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.21.9
- Cluster controller version: v0.26.1
Changes
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.4.12 (from v1.5.5)
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.21.5-ame.0 - 20sep2021
- Kubernetes version: v1.21.5
- Cluster controller version: v0.23.0
Changes
- Update registry.avisi.cloud for CNI images
- Upgrade apiserver network proxy to v0.0.24
- Resolve CVE-2021-25741
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
Kubernetes v1.20
v1.20.15-u-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.20.15-ubuntu
- Cluster controller version: v0.26.1
- Ubuntu 20.04.3 LTS
Changes
- Resolve CVE-2022-0185
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.5.9
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.20.15-ame.0 - 2feb2022
Versions
- Kubernetes version: v1.20.15
- Cluster controller version: v0.26.1
Changes
- Resolve CVE-2021-4034
- Improved node-provisioner
- Improved periodic reconcile
- Eviction threshold increased from 300Mi to 600Mi for nodes < 5000Mi
- Various bug fixes
- Upgrade Calico to v3.21.2
- Upgrade Containerd to v1.4.12 (from v1.5.5)
- Upgrade kube-state-metrics to v2.3.0
- Upgrade Konnectivity to v0.0.27
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.20.11-ame.0 - 20sep2021
Versions
- Kubernetes version: v1.20.11
- Cluster controller version: v0.23.0
Changes
- Update registry.avisi.cloud for CNI images
- Upgrade apiserver network proxy to v0.0.24
- Resolve CVE-2021-25741
Impact:
API SERVER DOWNTIME
Control plane will be briefly offline during the upgrade.
v1.20.8-ame.0 - 29jul2021
- Kubernetes version: v1.20.8
- Cluster controller version: v0.21.1
Changes
- Upgrade containerd to v1.5.4
- Upgrade apiserver network proxy to v0.0.21
Impact
No additional impact
v1.20.6-ame.1 - 19jul2021
Versions
- Kubernetes version: v1.20.6
- Cluster controller version: v0.21.0
Changes
- Upgrade calico to v3.19.1
- upgrade ceph-csi to v3.3.1
- Make IAM policy cluster unique
- renew certificate 3 months before its expiry
- Various bug fixes
Impact:
API SERVER DOWNTIME
Control plane will be briefly down during the upgrade