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Releases

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

The Update Framework (TUF)v7.0.0SecurityMay 18, 2026

A release focused on a security fix and API evolution. It tightens the Updater() contract and begins preparation for removal of an existing module.

Action needed (1)

Check if affected (1)

  • breakingThe Updater() bootstrap argument, now required

    Applies if you use Updater().

Plan ahead (1)

  • deprecatedPreparation for removal of securesystemslib.hash

    Applies if you use securesystemslib.hash.

Source
Daprv1.17.7Orchestration & ManagementMay 15, 2026

Dapr v1.17.7 is a corrective release focused on workflow, scheduler, actor, networking, and pub/sub reliability defects. It also adds workflow payload metrics, changes scheduler defaults, adds a scheduler flag, and updates github.com/dapr/kit.

Check if affected (1)

  • breakingThe actor drainOngoingCallTimeout constraint

    Applies if an application supplies an actor drainOngoingCallTimeout that meets or exceeds the daprd-side placement dissemination timeout, which defaults to 30 seconds.

Source
Linkerdedge-26.5.2Networking & MessagingMay 15, 2026

A release that changes the default sidecar mode and promotes native sidecars to GA. It also fixes correctness issues, adds configurable timestamp handling, addresses eleven disclosed CVEs, and updates numerous dependencies.

Action needed (2)

Source
Ciliumv1.19.4Networking & MessagingMay 13, 2026

A maintenance release with several operator-visible fixes, narrower EndpointSlice watch behavior, Helm configurability, and dependency and image updates. The EndpointSlice filtering change affects configurations that set a service proxy name, while the release also updates the github.com/moby/spdystream dependency.

Action needed (2)

  • securityThe github.com/moby/spdystream module update

    The github.com/moby/spdystream module is updated to v0.5.1.

  • breakingService-label filtering for EndpointSlice watches

    The loadbalancer/reflectors component filters EndpointSlice watches by service labels.

Check if affected (1)

  • breakingLabel filtering for EndpointSlices

    Applies if you set --k8s-service-proxy-name.

Source
Ciliumv1.17.16Networking & MessagingMay 13, 2026

A maintenance release with an enforced policy behavior change, bug fixes, new metrics, and Helm image overrides. It also updates dependencies and container images and refreshes container image manifests.

Action needed (1)

  • securityThe github.com/moby/spdystream dependency update

    The github.com/moby/spdystream module is updated to v0.5.1 in v1.17.16.

Check if affected (1)

  • breakingCiliumLocalRedirectPolicy addressMatcher override behavior

    Applies if you use addressMatcher in CiliumLocalRedirectPolicy and do not enable --enable-lrp-address-matcher-override=true.

Source
Jaegerv2.18.0ObservabilityMay 13, 2026

A release with breaking removals, API and metric changes, bug corrections, and experimental capabilities. It also adds storage, MCP, UI, and tracing functionality, with no security advisories or security-specific fixes disclosed.

Action needed (2)

  • breakingThe min step api in metricstore, removed

    The min step api was removed from metricstore in this release.

  • breakingThe non-standard health MCP tool, removed

    The non-standard health MCP tool was removed from jaegermcp in this release.

Source
Kubescapev4.0.7SecurityMay 8, 2026

A maintenance release with operator-facing correctness fixes, new control and TLS configuration capabilities, narrower CRD scan-mode support, and interface simplifications. It also improves validation and error reporting, with no security advisories or vulnerability disclosures.

Check if affected (3)

  • breakingprotobuf content type removal

    Applies if you use protobuf content type.

  • breakingSidecar requirement removal

    Applies if you use a sidecar.

  • breakingThe --output flag, removed

    Applies if you configure --output.

Source
metal3-iov0.13.0Provisioning & RuntimeMay 8, 2026

This release removes the iRMC driver and legacy vbmctl entrypoint, deprecates BMH.Spec.Firmware, and changes defaults and constraints. It also adds HostClaim and vbmctl capabilities, corrects bugs, and updates dependencies.

Action needed (1)

  • breakingManager TLS default set to unset

    The manager TLS default is set back to unset in this release.

Check if affected (3)

  • breakingThe iRMC driver, removed

    Applies if you use the iRMC driver.

  • breakingPreprovisioningImage required for deprovisioning

    Applies if cleaning is enabled.

  • breakingThe legacy vbmctl entrypoint, removed

    Applies if you use the legacy vbmctl entrypoint.

Plan ahead (1)

  • deprecatedThe BMH.Spec.Firmware field, deprecated

    Applies if you configure BMH.Spec.Firmware.

Source
wasmCloudv2.1.0Orchestration & ManagementMay 7, 2026

A maintenance release with correctness fixes, dependency updates, and new deployment and plugin capabilities. It also removes the obsolete canary-v2 identifier.

Check if affected (1)

  • breakingThe canary-v2 canary identifier, removed

    Applies if you configure canary-v2.

Source
Vitessv24.0.1Storage & DataMay 7, 2026

A maintenance release with a correctness fix that reverts a VTOrc flag addition. It also updates planner handling for merged DML IN and NOT IN subqueries.

Check if affected (1)

  • breakingThe VTOrc cell-watch flag, reverted

    Applies if VTOrc runs.

Source
Vitessv23.0.4Storage & DataMay 7, 2026

A maintenance release with bug fixes, compatibility and behavior changes, operational improvements, metric updates, and two Go dependency upgrades. It includes no disclosed security advisories or explicitly security-related fixes.

Action needed (2)

  • breakingUnqualified * rejection after commas in SELECT lists

    vtgate now rejects an unqualified * after a comma in a SELECT list. The change ships in this release.

  • breakingBare * restriction in the sqlparser grammar

    sqlparser now enforces the restriction on bare * in its grammar. The change ships in this release.

Check if affected (1)

  • breakingEmergencyReparentShard replication-stop error validation

    Applies if you use EmergencyReparentShard.

Source
Argov3.4.1CI/CD & App DeliveryMay 6, 2026

A broad maintenance and feature release with correctness, performance, dependency, and operator-facing changes. Operators should review the cluster-version annotation format and changed defaults, while dependency updates include Kubernetes and Helm changes; no explicitly disclosed exploitable vulnerability or security advisory is identified.

Action needed (4)

  • securityThe k8s.io/kubernetes module, updated to v1.34.2

    The k8s.io/kubernetes module is updated to v1.34.2 as a security-related dependency update.

  • securityThe helm dependency, updated to 3.19.4

    The helm dependency is updated to 3.19.4 due to a CVE.

  • breakinggRPC service config DNS TXT lookups, disabled by default

    gRPC service config DNS TXT lookups are disabled by default.

  • breakingThe appset resource status count, defaulted to 5000

    The default appset resource status count is changed to 5000.

Check if affected (2)

  • breakingThe --client flag in the Helm version command, removed

    Applies if you use --client.

  • breakingThe cluster-version annotation format, renamed

    Applies if you use Application Sets with Cluster Generators and configure argocd.argoproj.io/auto-label-cluster-info.

Source
OpenYurtv1.7.0Provisioning & RuntimeMay 6, 2026

A feature and maintenance release adds OTA image preheating, K8s-on-K8s deployment, declarative YurtHub conversion, and new hub and YurtHub capabilities. It also removes or deprecates legacy components and fixes multiple defects, with no security advisories identified.

Check if affected (4)

  • breakingThe YurtAppOverrider removal

    Applies if you use YurtAppOverrider.

  • breakingThe yurt-coordinator removal from Helm charts

    Applies if you use both yurt-coordinator and Helm charts.

  • breakingThe yurt-coordinator-cert controller removal from yurt-manager

    Applies if you use both yurt-coordinator-cert controller and yurt-manager.

  • + 1 more on the release page

Plan ahead (2)

  • deprecatedThe yurtmanager delegate lease controller, deprecated

    Applies if you use yurtmanager delegate lease controller.

  • deprecatedThe YurtAppDaemon controller and YurtAppDaemon webhook, deprecated

    Applies if you use YurtAppDaemon controller or YurtAppDaemon webhook.

Source
Confidential Containersv0.20.0SecurityMay 5, 2026

Confidential Containers v0.20.0 combines operator-visible capability and compatibility updates with deprecations of several image and provider paths. It also includes a security fix identified by GHSA-q49m-57vm-c8cc.

Action needed (1)

  • securityhighGHSA-q49m-57vm-c8cc security fix

    The release includes a fix for the security issue identified by GHSA-q49m-57vm-c8cc.

Plan ahead (3)

  • deprecatedThe Docker CAA provider, deprecatedremoval date not announced

    Applies if you use the Docker CAA provider.

  • breakingThe Fedora-based mkosi CAA podvm image, deprecatedremoval date not announced

    Applies if you use the Fedora-based mkosi CAA podvm image.

  • deprecatedSupport for packer images, deprecatedremoval date not announced

    Applies if you use packer images.

Source
wasmCloudv2.0.7Orchestration & ManagementMay 5, 2026

A maintenance release with corrected HTTP and workload behavior, dependency updates, and toolchain maintenance. It also removes canary-v2 in favor of canary.

Check if affected (1)

  • breakingThe canary-v2 configuration, removed in favor of canary

    Applies if you configure canary-v2.

Source
CRI-Ov1.35.3Kubernetes CoreMay 5, 2026

A maintenance release that adds a runtime metric and a GOMAXPROCS configuration field, fixes two runtime defects, and reverts CNI monitoring after node bootstrapping regressions. It also updates the spdystream dependency to address CVE-2026-35469.

Action needed (2)

  • securityhighThe spdystream dependency update for CVE-2026-35469

    The spdystream dependency is updated to address CVE-2026-35469. The update ships in this release.

  • breakingCRI-O CNI monitoring, reverted

    CRI-O reverts CNI monitoring because it caused node bootstrapping regressions. The change ships in this release.

Source
wasmCloudv2.0.6Orchestration & ManagementMay 1, 2026

A maintenance release with correctness fixes for HTTP errors, NATS subscription readiness, and WorkloadDeployment readiness, plus dependency and toolchain updates. It removes canary-v2 now that canary exists and includes dependency cleanup.

Action needed (1)

  • breakingThe canary-v2 option, removed

    canary-v2 is removed now that canary exists. The removal ships in this release.

Source
Linkerdedge-26.5.1Networking & MessagingMay 1, 2026

This release narrows Kubernetes support to version 1.31 or newer. It also adds multicluster gateway configuration, reduces destination-controller memory usage, corrects namespace-aware service cleanup, and updates third-party dependencies.

Check if affected (1)

  • breakingMinimum supported Kubernetes version, 1.31

    Applies when your cluster runs Kubernetes older than 1.31.

Source
containerdv2.3.0Kubernetes CoreApr 30, 2026

A substantial operator-facing release with new capabilities, behavior changes, a compatibility constraint, and a deprecation. It is the first annual LTS release under a Kubernetes-aligned cadence, with support planned for at least two years.

Action needed (1)

  • breakingPlugin names disallow commas

    OCI hook adjustments accumulate owners, and commas are disallowed in plugin names in this release.

Plan ahead (1)

  • deprecatedThe shim.Command API, deprecated

    Applies if you use shim.Command.

Source
Open Policy Agent (OPA)v1.16.0SecurityApr 30, 2026

OPA v1.16.0 adds URI built-ins, Data API metadata support, testing and WASM capabilities, along with broader Rego and schema support. It also changes formatting, logging, server, TLS, socket, storage, and dependency behavior, but includes a shutdown regression, so users should skip v1.16.0 and upgrade directly to v1.16.1.

Action needed (1)

  • breakingHTML index page query form removed

    OPA v1.16.0 drops the HTML index page query form.

Source
NATSv2.14.0Networking & MessagingApr 30, 2026

A feature release adds JetStream, leafnode, configuration, and protocol capabilities alongside fixes. Operator attention is needed for the narrowed MQTT retained-message subject constraint and ACL updates when domain-aware acknowledgements and flow control are enabled; the Go toolchain version also changes.

Check if affected (1)

  • breakingThe retained-message subject constraint

    Applies if you use retained messages.

Source
Vitessv24.0.0Storage & DataApr 30, 2026

A broad feature and maintenance release adds routing, streaming, tracing, backup and restore, observability, and tablet-management capabilities alongside correctness, performance, and dependency updates. Operators should review changed defaults, backup behavior, removed endpoints and metrics, deprecated features, and security fixes affecting external decompression.

Action needed (3)

  • securityClear-text logging of sensitive information

    The release addresses a code scanning alert about clear-text logging of sensitive information.

  • securityDirectory traversal protection in GetBackups

    The file backup storage GetBackups RPC no longer permits directory traversal paths.

  • breakingStricter VTGate SELECT list validation

    VTGate rejects an unqualified * after a comma in a SELECT list.

Check if affected (12)

  • securityOpt-in compressor commands from MANIFEST

    Applicability is not stated in the release notes.

  • securityExternal decompressor commands from backup MANIFEST

    Applies if you use backup storage.

  • securityBackup MANIFEST path traversal protection

    Applies if backupengine runs.

  • + 9 more on the release page

Plan ahead (4)

  • deprecatedThe glog deprecationremoval planned in v25

    Applies if you use glog.

  • deprecatedThe OpenTracing backend deprecationsremoval planned in v25

    Applies if you use opentracing-jaeger or opentracing-datadog.

  • deprecatedVTOrc Snapshot Topology deprecationremoval planned in v25

    Applies if you configure --snapshot-topology-interval.

  • + 1 more on the release page
Source
containerdapi/v1.11.0Kubernetes CoreApr 30, 2026

This release adds and changes API and runtime capabilities, removes a sandbox metadata field, and updates a dependency. No security advisories or vulnerabilities are disclosed.

Check if affected (1)

  • breakingThe Container sandbox metadata field, removed

    Applies if you use Container in API specs.

Source
KServev0.18.0AI & MLApr 29, 2026

A release with operator-facing fixes, new capabilities, API and configuration changes, and dependency updates. It also includes fixes for CVE-2026-32597 in PyJWT and CVE-2026-30922 in pyasn1.

Action needed (3)

  • securityhighCVE-2026-32597 PyJWT validation fix

    PyJWT crit header validation was fixed for CVE-2026-32597.

  • securityhighCVE-2026-30922 pyasn1 fix

    The pyasn1 dependency was updated to address CVE-2026-30922 and its denial-of-service vulnerability.

  • breakingRequired MaxReplicas field

    MaxReplicas is now required and must use the int32 type.

Check if affected (2)

  • breakingRemoval of the scheduler cert-hash restart annotation

    Applies if you configure cert-hash.

  • breakingPYTHONPATH blocked by ISVC and ServingRuntime webhooks

    Applies if you configure PYTHONPATH.

Source
Kyvernov1.18.0SecurityApr 29, 2026

A substantial feature and maintenance release with new operator capabilities plus configuration, Helm, and CLI improvements. It also includes defect, output, dependency, and security fixes, including remediation for several CVE-related issues.

Action needed (4)

  • securityhighIntermediate certificate limit for CVE-2026-32280

    Intermediate certificates are limited to mitigate CVE-2026-32280 in this release.

  • securityhighGo toolchain upgraded to 1.26.2 for CVE-2026-32283

    The Go toolchain is upgraded to 1.26.2 to fix CVE-2026-32283.

  • securitymediumgo-tuf/v2 upgraded to v2.4.1 for CVE-2026-24686

    go-tuf/v2 is upgraded to v2.4.1 to fix CVE-2026-24686.

  • securityStandard library CVE fixes

    Standard library CVEs are fixed in this release.

Check if affected (2)

  • breakingRestricted ConfigMap access for namespaced policies

    Applies if you use namespaced policies.

  • breakingFinalizers and uninstall workarounds removed

    Applies if uninstall runs.

Source
OpenTelemetryv0.151.0ObservabilityApr 28, 2026

A release with API and configuration contract changes, new capabilities, deprecations, and bug fixes. It includes transport, telemetry, generated configuration, and data-handling updates, with no disclosed security advisories or security-specific fixes.

Check if affected (2)

  • breakingRelative replace paths in generated Collector source

    Applies if you use the generated Collector source.

  • breakingNamed Config.Protocols field

    Applies if you use Config.Protocols.

Plan ahead (1)

  • deprecatedDefaultMetricsBuilderConfig deprecation

    Applies if you use DefaultMetricsBuilderConfig.

Source
OpenCostv1.120.1ObservabilityApr 28, 2026

A maintenance release with a dependency update, correctness fixes, and new operator-facing capabilities. The MCP server now requires explicit opt-in when MCP_SERVER_ENABLED is not configured.

Check if affected (1)

  • breakingThe MCP_SERVER_ENABLED default, changed to false

    Applies if MCP_SERVER_ENABLED is not configured.

Source
Strimzi1.0.0Networking & MessagingApr 28, 2026

A release that removes older CRD API versions, changes defaults and configuration locations, and adds Kafka and HTTP Bridge capabilities. Monitoring configurations and standalone Topic Operator setups may require updates.

Action needed (2)

  • breakingThe UseConnectBuildWithBuildah feature gate, enabled by default

    The UseConnectBuildWithBuildah feature gate moves to the beta stage and is enabled by default.

  • breakingThe /metrics endpoint, moved to the HTTP management interface

    The /metrics endpoint is no longer available on the regular HTTP interface, which uses port 8080 by default. It is now available on the HTTP management interface on port 8081.

Check if affected (4)

  • breakingOlder CRD API versions, removed

    Applies if you use the v1beta2, v1beta1, or v1alpha1 CRD APIs.

  • breakingThe Open Policy Agent (OPA) authorizer plugin, no longer bundled

    Applies if you use the Open Policy Agent (OPA) authorizer plugin.

  • breakingLegacy TLS environment variables, ignored

    Applies if you set any of STRIMZI_TLS_ENABLED, STRIMZI_TLS_AUTH_ENABLED, STRIMZI_PUBLIC_CA, STRIMZI_TRUSTSTORE_LOCATION, STRIMZI_TRUSTSTORE_PASSWORD, STRIMZI_KEYSTORE_LOCATION, or STRIMZI_KEYSTORE_PASSWORD.

  • + 1 more on the release page
Source
Flatcar Container Linuxstable-4593.2.0Provisioning & RuntimeApr 27, 2026

A security- and maintenance-focused release with updates to Linux and bundled components, along with dependency updates. It also corrects minimal-initrd regressions and changes service startup, SSH defaults, kernel-module availability, and other operator-visible behavior and layout.

Action needed (18)

Check if affected (1)

  • breakingAutomatic startup for overlaybd sysext services

    Applies if you use the overlaybd sysext.

Source
Cortexv1.21.0ObservabilityApr 27, 2026

A feature and maintenance release that adds Store Gateway, federation, overrides, caching, metric, and query capabilities while graduating several experimental features. It also changes defaults and configuration names, updates dependencies, and fixes correctness, memory, panic, and data-corruption defects.

Action needed (1)

  • breakingThe blocks storage bucket index default

    Blocks storage now enables the bucket index by default through -blocks-storage.bucket-store.bucket-index.enabled. Disabling it with -blocks-storage.bucket-store.bucket-index.enabled=false is not recommended for production.

Check if affected (1)

  • breakingThe Distributor type and unit label flag

    Applies if you configure either -distributor.enable-type-and-unit-labels or -distributor.otlp.enable-type-and-unit-labels for remote write v2 and OTLP requests.

Plan ahead (3)

  • breakingThe Ruler API flag rename

    Applies if you configure -experimental.ruler.enable-api.

  • breakingThe Alertmanager API flag rename

    Applies if you configure -experimental.alertmanager.enable-api.

  • breakingThe Users Scanner user index update configuration

    Applies if you configure either -*.users-scanner.user-index.cleanup-interval or clean_up_interval.

Source
Envoyv1.38.0Networking & MessagingApr 23, 2026

A release with breaking configuration and flag changes, many new extension and protocol capabilities, and fixes for security, correctness, and observability. The recorded additions include module and filter extension APIs, MCP and A2A protocol support, OpenSSL builds, new formatters and metrics, and expanded streaming and TLS capabilities.

Action needed (1)

  • securityhighnghttp2 **CVE-2026-27135** patch

    The nghttp2 **CVE-2026-27135** patch is included.

Check if affected (6)

  • securityURL encoding for query_parameter_mutations values

    Applies if you configure query_parameter_mutations.

  • securityRBAC concatenation-based bypass prevention

    Applies if RBAC runs.

  • breakingExplicit max_early_data_bytes configuration

    Applies if you configure upstream_connect_mode with a value other than IMMEDIATE and do not configure max_early_data_bytes.

  • + 3 more on the release page

Plan ahead (1)

  • deprecatedThe enforce_rsa_key_usage option, deprecatedremoval date not announced

    Applies if you configure enforce_rsa_key_usage.

Source
Kyvernov1.16.4SecurityApr 23, 2026

A security-fix release with fixes for multiple CVEs and updates to affected dependencies. It also changes the default HTTP behavior and restricts configmap access for namespaced policies.

Action needed (12)

  • securitycriticalCVE-2025-68121 fix

    This release fixes CVE-2025-68121.

  • securitycriticalCVE-2026-33186 fix

    This release fixes CVE-2026-33186.

  • securityhighCVE-2026-24051 fix

    This release fixes CVE-2026-24051 in the 1.16 release line.

  • securityhighThe github.com/docker/cli dependency update

    The github.com/docker/cli dependency is updated to resolve CVE-2025-15558.

  • securityhighCVE-2025-66564 fix

    This release resolves CVE-2025-66564.

  • securitymediumThe sigstore/rekor dependency update to v1.5.1

    The sigstore/rekor dependency is updated to v1.5.1 to fix CVE-2026-23831.

  • securitymediumThe go-tuf/v2 dependency update to v2.3.1

    The go-tuf/v2 dependency is updated to v2.3.1 to address CVE-2026-23992.

  • securitymediumCVE-2026-22772 fix

    This release fixes CVE-2026-22772.

  • securitymediumThe go-tuf/v2 dependency update to v2.4.1

    The go-tuf/v2 dependency is updated to v2.4.1 to patch CVE-2026-24686.

  • securitylowCVE-2026-1229 fix

    This release fixes CVE-2026-1229 in the 1.16 release line.

  • securitylowCVE-2026-26958 fix

    This release fixes CVE-2026-26958.

  • securityStandard library CVE fixes

    This release fixes standard library CVEs.

Check if affected (3)

  • securitycriticalHTTP disabled by default in namespaced policies

    Applies if you configure namespaced policies.

  • securityCVE fixes for go < 1.25.8

    Applies if you depend on go < 1.25.8.

  • breakingRestricted configmap access for namespaced policies

    Applies if you configure namespaced policies.

Source
Kyvernov1.17.2SecurityApr 23, 2026

A maintenance release with multiple correctness fixes and security fixes, including changes for several CVEs and standard library CVEs. Operators should account for the changed HTTP default and narrower configmap access in addition to the security fixes.

Action needed (6)

  • securitycriticalCVE-2026-33186 correction

    The release fixes CVE-2026-33186.

  • securityhighCVE-2026-24051 correction

    The release fixes CVE-2026-24051 in the 1.17 release line.

  • securityhighCVE-2026-34986 correction

    The release fixes CVE-2026-34986.

  • securitylowCVE-2026-1229 correction

    The release fixes CVE-2026-1229.

  • securityCVES 2026-15558 correction

    The release includes the CVES 2026-15558 fix for 1.17.

  • securityGo version update

    The Go version was bumped to fix standard library CVEs.

Check if affected (2)

  • securitycriticalHTTP default for namespaced policies

    Applies if you configure namespaced policies.

  • breakingConfigmap access for namespaced policies

    Applies if you configure namespaced policies.

Source
Kubernetesv1.36.0Kubernetes CoreApr 22, 2026

A broad operator-significant release with API, configuration, CLI default, scheduling, runtime, feature-gate, metric, and dependency changes. Upgrade review and testing matter for users of removed or deprecated interfaces, changed defaults, custom scheduler integrations, CRDs, audit logging, and affected metrics.

Action needed (11)

  • breakingStrictIPCIDRValidation enabled by default

    The StrictIPCIDRValidation feature gate in kube-apiserver is enabled by default.

  • breakingThe default debug profile, changed to general

    The default debug profile changes from legacy to general.

  • breakingWatchCacheInitializationPostStartHook enabled by default

    The WatchCacheInitializationPostStartHook feature gate is enabled by default.

  • breakingKubeletPSI graduation to GA

    The KubeletPSI feature graduated to GA and is enabled by default.

  • breakingRelaxedServiceNameValidation at beta, enabled by default

    The RelaxedServiceNameValidation feature gate graduated to beta and is enabled by default.

  • breakingRestartAllContainersOnContainerExits at beta, enabled by default

    The RestartAllContainersOnContainerExits feature gate graduated to beta and is enabled by default.

  • breakingSuspended-job feature gates enabled by default

    The MutablePodResourcesForSuspendedJobs and MutableSchedulingDirectivesForSuspendedJobs feature gates are enabled by default.

  • breakingAtomicFIFO informer store updates

    Default informer behavior now updates store state with all objects in a list or relist before invoking individual-item handler methods. This behavior is associated with AtomicFIFO.

  • breakingUnlockWhileProcessing informer behavior

    Informers can now enqueue new watch events while already-queued events are being processed. This behavior is associated with UnlockWhileProcessing.

  • breakingClientsAllowCARotation functionality enabled by default

    This functionality is enabled by default and can be disabled through the ClientsAllowCARotation feature gate.

  • breakingClientsAllowTLSCacheGC functionality enabled by default

    This functionality is enabled by default and can be controlled through the ClientsAllowTLSCacheGC feature gate.

Check if affected (25)

  • breakingThe volume_operation_total_errors metric, renamed

    Applies if you use volume_operation_total_errors.

  • breakingThe git-repo volume plugin, disabled

    Applies if you use the git-repo volume plugin.

  • breakingAllowlistEntry.Name, renamed to AllowlistEntry.Command

    Applies if you configure AllowlistEntry.Name.

  • + 22 more on the release page

Plan ahead (6)

  • deprecatedService .spec.externalIPs deprecation

    Applies if you configure Service .spec.externalIPs.

  • deprecatedDirect access to metav1.FieldsV1.Raw, deprecated

    Applies if you use metav1.FieldsV1.Raw.

  • deprecatedMinNodeScore and MaxNodeScore, deprecated

    Applies if you use MinNodeScore or MaxNodeScore.

  • + 3 more on the release page
Source
metal3-iov0.12.4Provisioning & RuntimeApr 22, 2026

This release fixes an HFC controller error loop, removes unused RBAC permissions, and updates project dependencies. The changes cover controller correctness and routine maintenance, with no stated security advisory.

Action needed (1)

  • breakingUnused permissions in the controller ClusterRole removed

    Unused RBAC permissions are removed from the controller ClusterRole.

Source
metal3-iov0.11.7Provisioning & RuntimeApr 22, 2026

This release removes unused controller permissions and includes fixes and dependency updates. It may concern users tracking HFC controller behavior, CAPI, the Kubernetes group, or the Go build toolchain.

Action needed (1)

  • breakingUnused controller ClusterRole RBAC permissions removed

    Unused RBAC permissions are removed from the controller ClusterRole in this release.

Source
CoreDNSv1.14.3Kubernetes CoreApr 22, 2026

A maintenance release that adds operator-facing options and transport, plugin, and protocol support while correcting defects. It is built with Go 1.26.2, which contains fixes for disclosed CVEs; other changes concern operators using the affected features or behaviors.

Action needed (1)

Check if affected (1)

  • breakingOversized DoH GET query parameter rejection

    Applies if you use DoH.

Source
Fluxv2.8.6CI/CD & App DeliveryApr 21, 2026

This is an operator-focused maintenance release with fixes and configuration constraints across controllers. It also adds a feature gate and updates dependency and toolkit components.

Check if affected (1)

  • breakingRequired audience field on the GCR Receiver secret

    Applies if you configure the audience field on the GCR Receiver secret.

Source
KubeVirtv1.8.2Orchestration & ManagementApr 20, 2026

A correctness-focused release also changes backend volume naming and removes permissions from the kubevirt.io:edit RBAC role. The RBAC change requires operator attention.

Action needed (1)

  • breakingThe kubevirt.io:edit RBAC role, with vnc and screenshot permissions removed

    The vnc and screenshot permissions are removed from the kubevirt.io:edit RBAC role in this release.

Source
Contourv1.33.4Networking & MessagingApr 20, 2026

A release with a fix for Lua code injection, a required Envoy version change, and an Envoy dependency update. It is tested against Kubernetes 1.32 through 1.34.

Check if affected (2)

  • securityhighCVE-2026-41246 fix for cookieRewritePolicies[].pathRewrite.value

    Applies if you use HTTPProxy resources.

  • breakingEnvoy 1.35.0 minimum version

    Applies if you depend on Envoy.

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