Editing Kubernetes changelog

[[Kubernetes]] [[changelog]] is available in: https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md

Kubernetes is released 4 times per year approximately every 3 months.

== 2023 ==
* 1.29 (Dec 2023) https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.29.md, [https://kubernetes.io/blog/2023/12/13/kubernetes-v1-29-release/ announcemnt]
** [[ReadWriteOncePod]] [[PersistentVolume access mode]]
** [[Volume expansion using Secrets supported for CSI drivers]]
** [[KMS v2 encryption at rest generally available]] 
** Beta
*** [[Node lifecycle separated from taint management]]
*** [[Clean up for legacy Secret-based ServiceAccount tokens]]
** Alpha
*** [[Define Pod affinity or anti-affinity using matchLabelKeys]]
*** [[nftables backend for kube-proxy]]
*** [[APIs to manage IP address ranges for Services]]

* 1.28 (Aug 2023)
** <code>[[PodReplacementPolicy]]</code>
** [[Sidecar containers]]
* 1.27 (Apr 2023) [https://kubernetes.io/blog/2023/04/11/kubernetes-v1-27-release/ announcement] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md changelog]
** <code>[[--seccomp-default]]</code>
** <code>[[suspend]]</code> [[field]]
** <code>[[schedulingGates]]</code>
** <code>[[NodeLogQuery]]</code>
** <code>[[ReadWriteOncePod]]</code>
** <code>[[matchLabelKeys]]</code>
** <code>[[SELinuxMount]]</code> added to <code>[[CSIDriver]]</code>

== 2022 ==
* 1.26 Dec 2022 https://kubernetes.io/blog/2022/12/09/kubernetes-v1-26-release/ - [https://aws.amazon.com/blogs/containers/amazon-eks-now-supports-kubernetes-version-1-26/ Apr 2023 EKS supported]
** <code>[[registry.k8s.io]]</code> vs <code>[[k8s.gcr.io]]</code>
** [[Storage improvements]]
** Improvements to [[Kubernetes metrics]]
** [[Health Service Level Indicators]]
** <code>[[PodSchedulingReadiness]]</code>

* 1.25 Aug 2022 [[Combiner]] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.25.md Changelog], [https://kubernetes.io/blog/2022/08/23/kubernetes-v1-25-release/ announcement] ([[CKA v1.25]])
** Read https://cloud.google.com/blog/products/containers-kubernetes/kubectl-auth-changes-in-gke regarding <code>[[gke-gcloud-auth-plugin]]</code>
** Added sum feature to <code>[[kubectl top pod]]</code>
** <code>[[kubectl rollout status]]</code> multiple resources
** <code>[[kubectl diff]]</code> changed to ignore [[managed fields]] by default
** <code>[[kubectl kustomize]]</code> upgraded functionality
** Improved <code>[[kubectl run]]</code> and <code>[[kubectl debug]]</code> error message
** <code>[[cgroups v2]]</code>
** [[Distroless]]
** <code>[[PodSecurityPolicy]]</code> deprecated<ref>https://kubernetes.io/blog/2022/08/23/kubernetes-v1-25-release/#pod-security-changes</ref> and replace by [[Pod Security Admission (PSA)]]

Note: [[Karpenter changelog|Karpenter]] add support for this version on Jan 2023

* 1.24 May 2022 [https://kubernetes.io/blog/2022/05/03/kubernetes-1-24-release-announcement/ announcement] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.24.md Changelog] ([[CKA v1.24]])
** <code>[[dockershim]]</code> removed from <code>[[kubelet]]</code>
** Beta [[API]]s off by default
** Release artifacts are signed using [[cosign]] signatures
** [[OpenAPI]] v3 beta support
** Storage Capacity and [[Volume Expansion]] are Generally Available <ref>https://kubernetes.io/blog/2022/05/05/volume-expansion-ga/</ref>
** [[NonPreemptingPriority]]
** [[CSR]] Duration: Extend the CertificateSigningRequest API with a mechanism to allow clients to request a specific duration for the issued certificate.

== 2021 ==
* 1.23 Dec 2021 [https://kubernetes.io/blog/2021/12/07/kubernetes-1-23-release-announcement/ announcement] ([[EKS versions|EKS]] 1.23 deprecated since Oct 2023)
** [[HorizontalPodAutoscaler]] v2 GA, [[HPA API]] to GA
** [[EKS]]: [[CSI]] migration from in-tree storage to plugins: <code>[[kubernetes.io/gce-pd]] or [[kubernetes.io/aws-ebs]]</code>. If you have pods running on a version 1.22 or earlier cluster, then you must install the [[Amazon EBS driver]] before updating your cluster to version 1.23 to avoid service interruption. <ref>https://docs.aws.amazon.com/eks/latest/userguide/ebs-csi-migration-faq.html</ref>
** [SECURITY] Defend Against Logging [[Secrets]] via [[Static Analysis]]
** <code>[[FlexVolume]]</code> is deprecated

* 1.22 Aug 2021 [https://kubernetes.io/blog/2021/08/04/kubernetes-1-22-release-announcement/ announcement]
** <code>[[kubectl apply --server-side]]</code>
** <code>[[etcd]]</code> upgraded to 3.5.0

* 1.21 April 2021 [https://kubernetes.io/blog/2021/04/08/kubernetes-1-21-release-announcement/ announcement], [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md Changelog]
** <code>[[CronJobs]]</code> stable
** <code>[[EndpointSlice]]</code> stable
** <code>[[sysctl]]</code> support <ref>https://github.com/kubernetes/enhancements/issues/34</ref>
** <code>[[Kubernetes PodDisruptionBudget (PDB)|PodDisruptionBudget (PDB)]]</code>
** [[Graceful node shutdown]]
** Newly provisioned PVs by [[gce-pd]] will no longer have the beta FailureDomain label. [[gce-pd]] volume plugin will start to have GA topology label instead. (#98700, @Jiawei0227) [SIG Cloud Provider, Storage and Testing]

== 2020 ==
* 1.20 Dec 2020 https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.20.md ([https://kubernetes.io/blog/2020/12/08/kubernetes-1-20-release-announcement/ announcement])
** [[Volume Snapshot]]

* 1.19 Aug 2020 https://kubernetes.io/blog/2020/08/26/kubernetes-release-1.19-accentuate-the-paw-sitive/
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.19.md
*** Increased support from 9 months to 1 year
*** [[Ingress API]] GA

* 1.18 (March 2020)
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.18.md
** Announcement: https://kubernetes.io/blog/2020/03/25/kubernetes-1-18-release-announcement/
*** New [[Ingress]] <code>[[pathType]]</code> resources: <code>Exact</code>, <code>Prefix</code>
*** Introduced <code>[[kubectl diff]]</code> and <code>[[kubectl debug]]</code>
*** [[PVC]] cloning
*** Graduate [[NodeLocal]] [[DNSCache]] to GA
*** New <code>[[EndpointSlice]]</code> [[Kubernetes API|API]]
*** New <code>[[CertificateSigningRequest]]</code> ([[CSR]]) [[Kubernetes API|API]]
*** Beta [[Kubernetes Topology Manager]]

== 2019 ==
* 1.17, [https://kubernetes.io/blog/2019/12/09/kubernetes-1-17-release-announcement/ Dec 09, 2019 announcement] ([[Red Hat OpenShift 4.4]])
** https://kubernetes.io/docs/setup/release/notes/#v1-17-0
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md

* 1.16, [https://kubernetes.io/blog/2019/09/18/kubernetes-1-16-release-announcement/ Sep 18, 2019 announcement]  
** https://kubernetes.io/docs/setup/release/notes/#v1-16-0
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md
*** [[EndpointSlice]] API (beta)

* 1.15, [https://kubernetes.io/blog/2019/06/19/kubernetes-1-15-release-announcement/ June 19, 2019 announcement]
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#kubernetes-v115-release-notes, ** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md

* 1.14 (25 March 2019)<ref>https://kubernetes.io/docs/setup/release/notes/#v1-14-0</ref>

== 2018 ==
* 1.13 (03/Dec/2018) <ref>https://kubernetes.io/blog/2018/12/03/kubernetes-1-13-release-announcement/</ref>: 
** [[Container Storage Interface (CSI)]] GA
** <code>[[kubeadm]]</code> [[GA]]
** [[CoreDNS]] default [[DNS]] Server (was first introduced in version 1.09)

* 1.12 (27/Sep/2018): https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.12.md <ref>https://www.storagereview.com/kubernetes_announces_version_112</ref><ref>https://coreos.com/blog/kubernetes-112-released</ref>

* 1.11 (27/Jun/2018): https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md, (Announcement)<ref>https://kubernetes.io/blog/2018/06/27/kubernetes-1.11-release-announcement/</ref>
** Support for [[online resizing of Persistent Volumes]] has been introduced as an alpha feature

* 1.10 (26/March/2018): https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md, ([https://kubernetes.io/blog/2018/03/26/kubernetes-1.10-stabilizing-storage-security-networking/ Announcement])<ref>https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md/#v1100</ref>

== 2017 ==
* 1.9 (Dec 2017), [https://kubernetes.io/blog/2017/12/kubernetes-19-workloads-expanded-ecosystem/ announcement]
** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md
*** [[Workloads API]] GA, it groups the <code>[[DaemonSet]]</code>, <code>[[Deployment]]</code>, <code>[[ReplicaSet]]</code>, and <code>[[StatefulSet]]</code> APIs 

* 1.8 Sep 2017 - [https://kubernetes.io/blog/2017/09/kubernetes-18-security-workloads-and/ announcement], [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.8.md Changelog]
** [[Kubernetes RBAC|Role based access control]] (RBAC) to stable

* 1.7

* 1.6 (March 2017)  https://www.mirantis.com/blog/whats-new-kubernetes-1-6-focus-stability/
** [[Kubernetes RBAC|Role-Based Access Control (RBAC)]]

== 2016 ==
* 1.4 https://kubernetes.io/blog/2016/09/kubernetes-1-4-making-it-easy-to-run-on-kuberentes-anywhere/
** [[Pod Disruption Budget]] introduced as [[alpha]]

== Older releases ==
* Release 1.2: https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.2.md#v120
* Release 1.1: 
** Feature: any container in a pod can enable privileged mode<ref>https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.2.md#v120</ref>

== 2015 ==
* 1.0 July 2015

== Related ==
* <code>[[kubectl version]]</code> or <code>[[kubectl version --short=true]]</code>
* <code>[[kubeadm version]]</code>
* <code>[[kubeadm upgrade]]</code>
* [[AWS EKS]]: https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html
* [[EKS version]]
* [[Rancher version]]

== See also ==
* The History of Kubernetes: https://blog.risingstack.com/the-history-of-kubernetes/
* {{Kubernetes changelog}}
* {{Changelogs}}

[[Category: Software development]]
[[Category:Server administration]]
[[Category:Changelogs]]
@@ Line 1: / Line 1: @@
-[[Kubernetes]] [[changelog]] is available in: https://github.com/kubernetes/kubernetes/tree/master/CHANGELOG
+[[Kubernetes]] [[changelog]] is available in: https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md
 Kubernetes is released 4 times per year approximately every 3 months.
-== 2024 ==
-=== v1.30, Apr ===
-* 1.30 [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.30.md Changelog]
-** <code>[[trafficDistribution]]</code> added to <code>[[kind: Service]]</code>
-** [[SuccessPolicy]] in [[Jobs]]
-** [[managedBy]] in [[Jobs]]
-** [[RelaxedEnvironmentVariableValidation]]
-** [[CustomResourceFieldSelectors]]
-** Support for configuring multiple [[JWT]] authenticators in [[Structured Authentication Configuration]]
-** [[AppArmor]] profiles can now be configured through fields on the <code>[[PodSecurityContext]]</code> and container <code>[[SecurityContext]]</code>
-** Conflicting issuers between [[JWT authenticators]] and [[service account]] config are now detected and fail on API server startup.
 == 2023 ==
-=== v1.29, Dec ===
+* 1.29 (Dec 2023) https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.29.md, [https://kubernetes.io/blog/2023/12/13/kubernetes-v1-29-release/ announcemnt]
-* 1.29 (Dec 2023) [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.29.md Changelog], [https://kubernetes.io/blog/2023/12/13/kubernetes-v1-29-release/ announcemnt]
 ** [[ReadWriteOncePod]] [[PersistentVolume access mode]]
 ** [[Volume expansion using Secrets supported for CSI drivers]]
@@ Line 28: / Line 15: @@
 *** [[nftables backend for kube-proxy]]
 *** [[APIs to manage IP address ranges for Services]]
-*** [[Add support to containerd/kubelet/CRI to support image pull per runtime class]]
-*** [[In-place updates for Pod resources, for Windows Pods]]
-** Stable
-*** [[Remove transient node predicates from KCCM's service controller]]
-*** [[Reserve nodeport ranges for dynamic and static allocation]]
-*** [[Priority and Fairness for API Server Requests]]
-*** [[KMS v2 Improvements]]
-*** [[Support paged LIST queries from the Kubernetes API]]
-*** [[ReadWriteOncePod PersistentVolume Access Mode]]
-*** [[Kubernetes Component Health SLIs]]
-*** [[CRD Validation Expression Language]]
-*** [[Introduce nodeExpandSecret in CSI PV source]]
-*** [[Track Ready Pods in Job status]]
-*** [[Kubelet Resource Metrics Endpoint]]
-=== v1.28, Aug ===
+* 1.28 (Aug 2023)
-* 1.28 (Aug 2023) [https://kubernetes.io/blog/2023/08/15/kubernetes-v1-28-release/ announcement], [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.28.md changelog]
-** <code>[[kubectl events]]</code>
-** [[Changes to supported skew between control plane and node versions]]
-** [[Recovery from non-graceful node shutdown]]
-** [[Improvements to CustomResourceDefinition validation rules]]
-** [[ValidatingAdmissionPolicies]] graduate to beta
-** [[Match conditions for admission webhooks]]
 ** <code>[[PodReplacementPolicy]]</code>
-** Beta support for enabling [[swap space]] on Linux
+** [[Sidecar containers]]
-** [[Mixed version proxy]] (alpha)
-** [[Support for CDI injection into containers (alpha)]]
-** [[API awareness of sidecar containers (alpha)]]
-** [[Automatic, retroactive assignment of a default StorageClass]]
-** [[Pod replacement policy for Jobs (alpha)]]
-** [[Job retry backoff limit, per index (alpha)]]
-=== v1.27, Apr ===
 * 1.27 (Apr 2023) [https://kubernetes.io/blog/2023/04/11/kubernetes-v1-27-release/ announcement] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md changelog]
 ** <code>[[--seccomp-default]]</code>
@@ Line 69: / Line 27: @@
 ** <code>[[matchLabelKeys]]</code>
 ** <code>[[SELinuxMount]]</code> added to <code>[[CSIDriver]]</code>
-** Add [[gRPC]] probe to [[Pod.Spec.]]Container.{Liveness,Readiness,Startup} Probe
 == 2022 ==
-=== 1.26 ===
 * 1.26 Dec 2022 https://kubernetes.io/blog/2022/12/09/kubernetes-v1-26-release/ - [https://aws.amazon.com/blogs/containers/amazon-eks-now-supports-kubernetes-version-1-26/ Apr 2023 EKS supported]
 ** <code>[[registry.k8s.io]]</code> vs <code>[[k8s.gcr.io]]</code>
@@ Line 80: / Line 36: @@
 ** <code>[[PodSchedulingReadiness]]</code>
-=== 1.25 ===
 * 1.25 Aug 2022 [[Combiner]] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.25.md Changelog], [https://kubernetes.io/blog/2022/08/23/kubernetes-v1-25-release/ announcement] ([[CKA v1.25]])
 ** Read https://cloud.google.com/blog/products/containers-kubernetes/kubectl-auth-changes-in-gke regarding <code>[[gke-gcloud-auth-plugin]]</code>
@@ Line 94: / Line 49: @@
 Note: [[Karpenter changelog|Karpenter]] add support for this version on Jan 2023
-=== 1.24 ===
 * 1.24 May 2022 [https://kubernetes.io/blog/2022/05/03/kubernetes-1-24-release-announcement/ announcement] [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.24.md Changelog] ([[CKA v1.24]])
 ** <code>[[dockershim]]</code> removed from <code>[[kubelet]]</code>
@@ Line 114: / Line 68: @@
 ** <code>[[kubectl apply --server-side]]</code>
 ** <code>[[etcd]]</code> upgraded to 3.5.0
-** <code>[[kubernetes.io/ingress.class]]</code> deprecated
 * 1.21 April 2021 [https://kubernetes.io/blog/2021/04/08/kubernetes-1-21-release-announcement/ announcement], [https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md Changelog]
@@ Line 125: / Line 78: @@
 == 2020 ==
-=== 1.20 ===
 * 1.20 Dec 2020 https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.20.md ([https://kubernetes.io/blog/2020/12/08/kubernetes-1-20-release-announcement/ announcement])
 ** [[Volume Snapshot]]
-=== 1.19 ===
 * 1.19 Aug 2020 https://kubernetes.io/blog/2020/08/26/kubernetes-release-1.19-accentuate-the-paw-sitive/
 ** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.19.md
@@ Line 135: / Line 86: @@
 *** [[Ingress API]] GA
-=== 1.18 ===
 * 1.18 (March 2020)
 ** https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.18.md
@@ Line 146: / Line 96: @@
 *** New <code>[[CertificateSigningRequest]]</code> ([[CSR]]) [[Kubernetes API|API]]
 *** Beta [[Kubernetes Topology Manager]]
-*** <code>[[ingressClassName]]</code> introduced to deprecate [[kubernetes.io/ingress.class]] [[annotation]]
 == 2019 ==