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Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

URGENCY
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KIND
AllSecurityBreakingDeprecated
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AllAI & MLCI/CD & App DeliveryKubernetes CoreNetworking & MessagingObservabilityOrchestration & ManagementProvisioning & RuntimeSecurityStorage & Data
Project: KarmadaClear ×
Karmadav1.18.2Orchestration & ManagementJul 31, 2026
ACTION 2CHECK 8PLAN 4OTHER 65View full analysis

A broad operator-impacting maintenance release with security-related base image updates, API and configuration changes, scheduling capabilities, and deprecations and removals. Operators should review changed defaults and constraints and account for migration work affecting their configurations, APIs, and metrics.

Action needed (2)

  • securityThe alpine base image update

    The alpine base image is updated from alpine:3.23.4 to alpine:3.24.1 to address security concerns.

  • securityThe alpine base image update

    The alpine base image is updated from alpine:3.23.3 to alpine:3.23.4 to address security concerns.

Check if affected (8)

  • breakingThe cluster lease duration flags, removed

    Applies if you configure either --cluster-lease-duration or --cluster-lease-renew-interval-fraction.

    The flags --cluster-lease-duration and --cluster-lease-renew-interval-fraction have been removed.

  • breakingThe Estimator metric label value, removed

    Applies if you use either estimating_plugin_execution_duration_seconds or estimating_plugin_extension_point_duration_seconds.

    The deprecated Estimator label value for estimating_plugin_extension_point has been removed from the estimating_plugin_execution_duration_seconds and estimating_plugin_extension_point_duration_seconds metrics.

  • breakingThe Etcd.Local.InitImage configuration field, removed

    Applies if you configure Etcd.Local.InitImage.

    The deprecated Etcd.Local.InitImage field has been removed from Karmada Init Configuration.

  • + 5 more on the release page

Plan ahead (4)

  • deprecatedThe ReplicaRequirements.resourceRequest field deprecationdeprecated since v1.18.0

    Applies if you use ReplicaRequirements.resourceRequest.

    ReplicaRequirements.resourceRequest is deprecated in favor of resourceRequestBytes, which stores proto-serialized resource.Quantity objects.

  • deprecatedThe ComponentReplicaRequirements.resourceRequest field deprecationdeprecated since v1.18.0

    Applies if you use ComponentReplicaRequirements.resourceRequest.

    ComponentReplicaRequirements.resourceRequest is deprecated in favor of resourceRequestBytes, which stores proto-serialized resource.Quantity objects.

  • deprecatedThe NodeClaim.nodeAffinity field deprecationdeprecated since v1.18.0

    Applies if you use NodeClaim.nodeAffinity.

    NodeClaim.nodeAffinity is deprecated in favor of nodeAffinityBytes, which stores a proto-serialized corev1.NodeSelector object.

  • + 1 more on the release page
Source ↗
Karmadav1.17.5Orchestration & ManagementJul 31, 2026
ACTION 1CHECK 4PLAN 2OTHER 82View full analysis

A mixed maintenance and feature release with workload-affinity and anti-affinity support, encryption-at-rest capabilities, bug fixes, and updates to dependencies and default images. It also changes operational defaults and validation while deprecating or removing configuration flags and fields, so compatibility and configuration changes are part of the release.

Action needed (1)

  • breakingControllerPriorityQueue promotion to beta and default enablement

    ControllerPriorityQueue is promoted to beta and enabled by default.

Check if affected (4)

  • breakingThe --etcd-init-image flag, removed from karmadactl init

    Applies if you use the --etcd-init-image flag.

    karmadactl removed the deprecated --etcd-init-image flag from the init command.

  • breakingnamespace validation for spec.resourceSelectors

    Applies if you use PropagationPolicy or OverridePolicy.

    karmada-webhook adds namespace validation for spec.resourceSelectors in PropagationPolicy and OverridePolicy.

  • breakingDistinct GroupByLabelKey values in WorkloadAffinity

    Applies if you configure WorkloadAffinity.

    karmada-webhook disallows setting the same GroupByLabelKey for affinity and antiAffinity in WorkloadAffinity.

  • + 1 more on the release page

Plan ahead (2)

  • deprecatedEtcd.Local.InitImage deprecationdeprecated since v1.17.0 · removal date not announced

    Applies if you configure Etcd.Local.InitImage in Karmada Init Configuration.

    Etcd.Local.InitImage in Karmada Init Configuration is deprecated and will be removed in a future version.

  • deprecatedDeprecation of cluster lease flagsdeprecated since v1.17.0 · removal date not announced

    Applies if you use --cluster-lease-duration or --cluster-lease-renew-interval-fraction.

    The flags --cluster-lease-duration and --cluster-lease-renew-interval-fraction are deprecated and will be removed in a future release.

Source ↗
Karmadav1.16.8Orchestration & ManagementJul 31, 2026
ACTION 1CHECK 4PLAN 2OTHER 104View full analysis

A mixed maintenance and feature release with bug fixes, new APIs and capabilities, performance and instrumentation improvements, dependency updates, and deprecated field removals. Operators should review the removed fields and the updated dependency, while the release also adds multi-component scheduling, configurable initialization, eviction queue support, and new workload interpreters.

Action needed (1)

  • securitymediumThe github.com/vektra/mockery dependency update

    The github.com/vektra/mockery dependency was bumped to v3.5.5 to address security concerns identified by GO-2025-3900.

Check if affected (4)

  • breakingThe external etcd fields CAData, CertData, and KeyData, removed

    Applies if you configure CAData, CertData, or KeyData.

    Deprecated external etcd fields CAData, CertData, and KeyData have been removed.

  • breakingThe init command's default component images

    Applies if you run the init command.

    The init command's default kube-apiserver and kube-controller-manager images were updated from v1.31.3 to v1.34.1. The default etcd image was updated from 3.5.16-0 to 3.6.0-0.

  • breakingA 32s default timeout for the member cluster client

    Applies if you use the member cluster client.

    A default timeout of 32s was added for the member cluster client to avoid the controller hanging when a member cluster does not respond.

  • + 1 more on the release page

Plan ahead (2)

  • deprecatedThe --etcd-init-image flag, deprecatedremoval date not announced

    Applies if you use --etcd-init-image.

    The --etcd-init-image flag of the init command is deprecated because it is no longer used. The flag will be removed in a future release.

  • breakingThe Prometheus metric labels cluster and cluster_name, replaced by member_clusterremoval planned in 1.18

    Applies if you use the cluster or cluster_name metric labels.

    The Prometheus metric labels cluster and cluster_name are deprecated for identifying a Karmada member cluster. The member_cluster label is now used instead and the older labels will be removed in the 1.18 release.

Source ↗
Karmadav1.17.0Orchestration & ManagementFeb 28, 2026
CHECK 4PLAN 3OTHER 34View full analysis

A feature and maintenance release adds workload affinity and anti-affinity scheduling, operator and API capabilities, and Helm encryption at rest. It also includes controller and scheduler fixes, dependency and image updates, and deprecations and removals.

Check if affected (4)

  • breakingnamespace validation for spec.resourceSelectors

    Applies if you use PropagationPolicy or OverridePolicy.

    The namespace validation for spec.resourceSelectors now prevents unintended cross-namespace resource selection in PropagationPolicy and OverridePolicy.

  • breakingStricter GroupByLabelKey validation in WorkloadAffinity

    Applies if you configure GroupByLabelKey in WorkloadAffinity.

    WorkloadAffinity now disallows configuring the same GroupByLabelKey for both affinity and antiAffinity.

  • breakingUpdated default Kubernetes and ETCD images

    Applicability is not stated in the release notes.

    The default kube-apiserver and kube-controller-manager images move from v1.34.1 to v1.35.2. The default ETCD image moves from 3.6.0-0 to 3.6.6-0.

  • + 1 more on the release page

Plan ahead (3)

  • deprecatedThe --cluster-lease-duration flag, deprecatedremoval date not announced

    Applies if you use --cluster-lease-duration.

    The --cluster-lease-duration flag is deprecated in this release and will be removed in a future release.

  • deprecatedThe --cluster-lease-renew-interval-fraction flag, deprecatedremoval date not announced

    Applies if you use --cluster-lease-renew-interval-fraction.

    The --cluster-lease-renew-interval-fraction flag is deprecated in this release and will be removed in a future release.

  • deprecatedEtcd.Local.InitImage in Karmada Init Configuration, deprecatedremoval date not announced

    Applies if you configure Etcd.Local.InitImage in Karmada Init Configuration.

    In karmadactl, Etcd.Local.InitImage in Karmada Init Configuration is deprecated and will be removed in a future version.

Source ↗
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