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Releases

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

Crossplanev2.4.0Orchestration & ManagementAug 20, 2026

A release with breaking operational changes, new runtime behavior, and correctness fixes. It also updates the Go toolchain and dependencies for security fixes, including changes that affect CLI publication, package operation, and resource deletion.

Action needed (15)

  • securityGo version and dependency security updates

    Crossplane now builds and runs with a newer Go version to include standard library CVE fixes. The release also includes security updates to Crossplane's Go dependencies.

  • securityGo 1.25.10

    Go was updated to 1.25.10 to fix standard library CVEs.

  • securitygolang.org/x/crypto v0.52.0

    The golang.org/x/crypto module was updated to v0.52.0 for security fixes.

  • securitygolang.org/x/sys v0.44.0

    The golang.org/x/sys module was updated to v0.44.0 for security fixes.

  • securitygolang.org/x/net v0.55.0

    The golang.org/x/net module was updated to v0.55.0 for security fixes.

  • securitygithub.com/sigstore/cosign/v3 v3.0.6

    The github.com/sigstore/cosign/v3 module was updated to v3.0.6 for security fixes.

  • securitygithub.com/sigstore/rekor v1.5.2

    The github.com/sigstore/rekor module was updated to v1.5.2 for security fixes.

  • securitygithub.com/sigstore/timestamp-authority/v2 v2.1.0

    The github.com/sigstore/timestamp-authority/v2 module was updated to v2.1.0 for security fixes.

  • securitygithub.com/sigstore/sigstore-go v1.2.0

    The github.com/sigstore/sigstore-go module was updated to v1.2.0 for security fixes.

  • securityCombined grpc, x/net, and x/text security updates

    Combined security updates were applied to grpc, x/net, and x/text.

  • securitygolang.org/x/net v0.56.0

    The golang.org/x/net module was updated to v0.56.0 for security fixes.

  • securitygolang.org/x/text v0.39.0

    The golang.org/x/text module was updated to v0.39.0 for security fixes.

  • securityVulnerable dependency updates

    Vulnerable dependencies were updated for security fixes.

  • securitygithub.com/sigstore/sigstore-go v1.2.1

    The github.com/sigstore/sigstore-go module was updated to v1.2.1 for security fixes.

  • securitygolang.org/x/mod v0.40.0

    The golang.org/x/mod module was updated to v0.40.0 for security fixes.

Check if affected (4)

  • breakingCrossplane CLI publication location and binary name

    Applies if you use the Crossplane CLI.

  • breakingspec.replicas behavior in DeploymentRuntimeConfig

    Applies if DeploymentRuntimeConfig configures spec.replicas.

  • breakingNarrowed composed resource garbage collection

    Applicability is not stated in the release notes.

  • + 1 more on the release page

Plan ahead (1)

  • deprecatedCrossplane v1.20 support endremoval planned in v2.5 (Nov 2026)

    Applies when v2.5 is released in Nov 2026 and Crossplane v1.20 runs.

Source
Kyvernov1.19.0SecurityAug 20, 2026

A substantial operator-facing release with new CLI, Helm, and policy capabilities alongside fixes and dependency updates. It also changes existing behavior through security fixes, deprecations, removals, and stricter constraints that may require review before upgrading.

Action needed (7)

  • securityhighIntermediate certificate limits

    Intermediate certificates are limited to mitigate CVE-2026-32280. The fix ships in Kyverno v1.19.0.

  • securityhighGo toolchain 1.26.3

    The Go toolchain was upgraded to 1.26.3 to resolve CVE-2026-39836. The updated toolchain ships in Kyverno v1.19.0.

  • securityRegenerated CRDs and documentation for GHSA-79gf-7frw-68m9

    CRDs and documentation were regenerated after the API bump associated with GHSA-79gf-7frw-68m9. The updated artifacts ship in Kyverno v1.19.0.

  • securityUpdated golang.org/x/crypto and x/net dependencies

    The golang.org/x/crypto dependency was updated to v0.53.0 and x/net to v0.56.0 to resolve security CVEs. The dependency updates ship in Kyverno v1.19.0.

  • securityPatched ORAS and sigstore vulnerabilities

    The ORAS and sigstore dependencies were patched for CodeQL vulnerabilities. The dependency fixes ship in Kyverno v1.19.0.

  • securityCodeQL vulnerability fixes

    Open CodeQL security vulnerabilities were addressed. The fixes ship in Kyverno v1.19.0.

  • securitycel-go v0.30.0

    cel-go was updated to v0.30.0 to resolve CVE-2026-GHSA-gcjh-h69q-9w9g. The updated dependency ships in Kyverno v1.19.0.

Check if affected (6)

  • breakingRequired --resource for the migrate command

    Applies when the migrate command runs.

  • breakingDefault userInfo groups and UID during background scans

    Applies when background scans run.

  • breakingexcludeBootstrapResources webhook flag

    Applies when you configure Fail webhooks.

  • + 3 more on the release page

Plan ahead (1)

  • deprecatedDeprecation notices for legacy kyverno.io policy types

    Applies when you use legacy kyverno.io policy types.

Source
Backstagev1.54.0CI/CD & App DeliveryAug 18, 2026

A broad release with dependency updates, breaking changes to commands, authentication patterns, and connection APIs, plus new AWS connection support and updates across the catalog, scaffolder, search, and UI. It also includes Kubernetes plugin security fixes and an undisclosed security announcement.

Action needed (2)

  • breakingStrict TypeScript configuration schema validation

    Package preparation now validates TypeScript configuration schemas strictly before publishing.

  • breakingPortable configuration schemas for root connection types

    Connection types now use portable configuration schemas as the source of root connection types.

Check if affected (16)

  • securityKubernetes plugin security fixes

    Applies if you use the Kubernetes plugin.

  • breakingBackend connection APIs, removed from package exports

    Applies if you use connectionsServiceRef, connectionsServiceFactory, DefaultConnectionsService, declareConnection, RootConnection, or AnyRootConnection.

  • breakingNode.js snapshots in generated backend Dockerfiles

    Applies if you configure generated backend Dockerfiles.

  • + 13 more on the release page

Plan ahead (3)

  • deprecatedThe plugin-web-library template, updated to toastApiRef

    Applies if you use the plugin-web-library template.

  • deprecatedZod v3 schemas, deprecated

    Applies if you depend on Zod v3 schemas.

  • deprecatedThe catalog.providers.backstageOpenapi.plugins option, deprecated

    Applies if you configure catalog.providers.backstageOpenapi.plugins.

Source
Prometheusv3.14.0ObservabilityAug 18, 2026

A maintenance release with an API deprecation, operator-visible removals and default changes, new capabilities, performance improvements, and correctness fixes across discovery, PromQL, TSDB, and other components. No security advisories or explicitly described security vulnerabilities are included.

Action needed (1)

  • breakingDefault support for PromQL duration expressions

    Duration expressions are enabled by default in PromQL. The promql-duration-expr feature flag is now a no-op.

Check if affected (1)

  • breakingThe __meta_hetzner_datacenter label, removed

    Applies if you use hcloud targets.

Plan ahead (1)

  • deprecatedThe stats query parameter, deprecated for other valuesremoval date not announced

    Applies if you set stats to a value other than true or all.

Source
Longhornv1.12.1Storage & DataAug 14, 2026

A release with breaking behavior for legacy V2 linked-clone volumes, a Kubernetes v1.25 minimum, and stronger default network controls, including expanded mTLS enforcement. It also adds V2 data engine capabilities and metrics while correcting defects across V2 operations, backups, expansion, and infrastructure.

Check if affected (6)

  • breakingInternal NetworkPolicy resources enabled by default

    Applies if a NetworkPolicy provider is available in the cluster.

  • breakingCross-namespace Prometheus scraper access through the Longhorn Manager network policy

    Applies if you use cross-namespace Prometheus scrapers.

  • breakingmTLS for all instance-manager gRPC services

    Applies if you configure the longhorn-grpc-tls secret.

  • + 3 more on the release page

Plan ahead (1)

  • deprecatedLegacy V2 linked-clone volumes deprecated

    Applies if you use V2 linked-clone volumes created in v1.12.0 or earlier.

Source
containerdv2.2.7Kubernetes CoreAug 12, 2026

A container runtime and CRI release that changes checkpoint-restore defaults and lifecycle, adds CRIU and Windows log-scrubbing configuration, and expands runtime support. It also includes fixes for CRI environment handling and mount-manager activation, plus dependency manifest updates that are not operator-facing.

Check if affected (3)

  • breakingThe enable_experimental_restore_via_create default

    Applies if you use CreateContainer.

  • breakingThe ScrubLogs default on Windows

    Applies if you run on Windows.

  • breakingCheckpoint restore without CRIU

    Applies if you do not have CRIU installed.

Plan ahead (1)

  • deprecatedRestore in CreateContainer, deprecated

    Applies if you use CreateContainer.

Source
containerdv2.3.4Kubernetes CoreAug 12, 2026

A container runtime release with changes to CRI behavior, checkpoint restore handling, and configuration. It also adds CRI capabilities and fixes runtime and snapshotter defects.

Check if affected (3)

  • breakingCheckpoint restore in CreateContainer disabled by default

    Applies if you set enable_experimental_restore_via_create.

  • breakingruntimeFeatures.UserNamespacesHostNetwork enabled by default

    Applies if you run CRI.

  • breakingLog scrubbing enabled by default on Windows

    Applies if you run Windows.

Plan ahead (1)

  • deprecatedCheckpoint restore in CreateContainer deprecated

    Applies if you use CreateContainer.

Source
Karmadav1.18.2Orchestration & ManagementJul 31, 2026

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.

  • breakingThe Estimator metric label value, removed

    Applies if you use either estimating_plugin_execution_duration_seconds or estimating_plugin_extension_point_duration_seconds.

  • breakingThe Etcd.Local.InitImage configuration field, removed

    Applies if you configure Etcd.Local.InitImage.

  • + 5 more on the release page

Plan ahead (4)

  • deprecatedThe ReplicaRequirements.resourceRequest field deprecationdeprecated since v1.18.0

    Applies if you use ReplicaRequirements.resourceRequest.

  • deprecatedThe ComponentReplicaRequirements.resourceRequest field deprecationdeprecated since v1.18.0

    Applies if you use ComponentReplicaRequirements.resourceRequest.

  • deprecatedThe NodeClaim.nodeAffinity field deprecationdeprecated since v1.18.0

    Applies if you use NodeClaim.nodeAffinity.

  • + 1 more on the release page
Source
Karmadav1.17.5Orchestration & ManagementJul 31, 2026

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.

  • breakingnamespace validation for spec.resourceSelectors

    Applies if you use PropagationPolicy or OverridePolicy.

  • breakingDistinct GroupByLabelKey values in WorkloadAffinity

    Applies if you configure 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.

  • 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.

Source
Karmadav1.16.8Orchestration & ManagementJul 31, 2026

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.

  • breakingThe init command's default component images

    Applies if you run the init command.

  • breakingA 32s default timeout for the member cluster client

    Applies if you use the member cluster client.

  • + 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.

  • 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.

Source
KubeVirtv1.9.0Orchestration & ManagementJul 30, 2026

A broad operator-facing release with fixes, behavior changes, new capabilities, API and feature-gate maturity changes, deprecations, and component updates. It also includes security updates for CVE-2026-35469, GHSA-pc3f-x583-g7j2, and CVE-2026-33186, along with a symlink-traversal fix and a security dependency update.

Action needed (2)

  • securitycriticalThe grpc dependency, updated

    grpc is updated to 1.79.3 to remediate CVE-2026-33186.

  • securityhighThe github.com/moby/spdystream dependency, updated

    The github.com/moby/spdystream dependency is updated from v0.5.0 to v0.5.1 to address CVE-2026-35469 (GHSA-pc3f-x583-g7j2).

Check if affected (9)

  • breakingStricter network interface binding admission

    Applies if you configure network interface bindings.

  • breakingThe Template feature gate, enabled by default

    Applies if you enable the Template feature gate.

  • breakingThe ephemeral hotplug volume metric and alert, removed

    Applies if you use the ephemeral hotplug volume metric.

  • + 6 more on the release page

Plan ahead (2)

  • deprecatedcgroup v1 support, deprecatedremoval date not announced

    Applies if you run with cgroup v1 support.

  • deprecatedLegacy VM creation recording rules and metrics, deprecated

    Applies if you use kubevirt_vm_created_total or kubevirt_vm_created_by_pod_total.

Source
Ciliumv1.20.0Networking & MessagingJul 29, 2026

A substantial feature and maintenance release with Gateway API, networking, IPAM, policy, observability, and datapath changes, alongside correctness and performance fixes. Operators should review removed or renamed options, changed defaults and requirements, removed metrics and integrations, and the dependency updates addressing security-related issues.

Action needed (11)

  • securitygoogle.golang.org/grpc v1.79.3

    The google.golang.org/grpc module is updated to v1.79.3 in the main branch.

  • securitygoogle.golang.org/grpc v1.82.1

    The google.golang.org/grpc module is updated to v1.82.1 in the v1.20 branch.

  • securityhelm.sh/helm/v4 v4.1.4

    The helm.sh/helm/v4 module is updated to v4.1.4 in the main branch.

  • securitygithub.com/cloudflare/circl v1.6.3

    The github.com/cloudflare/circl module is updated to v1.6.3.

  • securitygithub.com/go-jose/go-jose/v4 v4.1.4

    The github.com/go-jose/go-jose/v4 module is updated to v4.1.4.

  • securitygithub.com/moby/spdystream v0.5.1

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

  • breakingcni.customConf CNI configuration version

    The default CNI configuration version for cni.customConf changes from 0.3.1 to 1.0.0.

  • breakingCilium operator IPAM metrics removal

    The IPAM metrics cilium_operator_ipam_ips and cilium_operator_ipam_available_interfaces are removed.

  • breakingDefault CNI configuration version

    The default CNI configuration version changes from 0.3.1 to 1.0.0.

  • breakingNative histogram default

    Native histograms are emitted for all histograms by default.

  • breakingAgent bootstrap metrics removal

    Agent bootstrap metrics are removed.

Check if affected (28)

  • securitytbid traffic host namespace handling

    Applies if you use tbid traffic.

  • breakingDocker libnetwork plugin removal

    Applies if you use the Docker libnetwork plugin.

  • breakingces-slice-mode removal

    Applies if you configure ces-slice-mode.

  • + 25 more on the release page

Plan ahead (6)

  • deprecatedBeta Mutual Auth deprecationremoval date not announced

    Applies if you use Mutual Auth.

  • deprecatedDeprecated address and interface CIDR fields

    Applies if you configure addresses[].subnet or interfaces[].cidr.

  • deprecatedLocal REST BGP API deprecationremoval date not announced

    Applies if you use the local REST BGP APIs.

  • + 3 more on the release page
Source
Kubernetesv1.34.10Kubernetes CoreJul 22, 2026

A maintenance release with kubeadm and kubelet behavior corrections, a changed kubeadm timeout default, and a deferred Kubelet deprecation removal. It also includes a toolchain dependency update and no identified security advisories.

Plan ahead (1)

  • deprecatedKubelet configurations flags deprecation removal timelineremoval planned in 1.38

    Applies if you configure Kubelet's configurations flags.

Source
OpenTelemetryv0.157.0ObservabilityJul 21, 2026

This release adds configuration and feature-gate capabilities, corrects defects, changes histogram bucket values, and introduces the configstorage module. It also removes or deprecates API symbols, with no security issues or advisories identified.

Check if affected (1)

  • breakingThe BalancerName function, removed

    Applies if you use BalancerName.

Plan ahead (1)

  • deprecatedThe WithForceUnmarshaler option, deprecated

    Applies if you use WithForceUnmarshaler.

Source
Jaegerv2.20.0ObservabilityJul 20, 2026

A release with backend compatibility removals, forced migrations, new configuration and CLI capabilities, and correctness fixes across storage, extensions, and related components. It does not disclose security advisories or security-specific flaws.

Action needed (1)

  • breakingTemplate creation through esclient

    Template creation moves to esclient, and legacy mapping rendering is retired.

Check if affected (3)

  • breakingSupport for elasticsearch v6, removed

    Applies if you use elasticsearch v6.

  • breakingThe jaegermcp extension, merged into jaegerquery

    Applies if you use the jaegermcp extension.

  • breakingExpired stable feature gates, removed

    Applicability is not stated in the release notes.

Plan ahead (1)

  • deprecatedThe legacy flag, deprecated

    Applies if you use legacy flag.

Source
KubeEdgev1.21.2Provisioning & RuntimeJul 15, 2026

This release combines correctness fixes with changes to node-job behavior, operator capabilities, and command workflows. It introduces configuration updates for edge nodes, which are disabled by default and require an EdgeCore restart; no security advisories are identified.

Check if affected (6)

  • breakingThe v1alpha2 NodeUpgradeJob and ImagePrePullJob defaults

    Applies if you use NodeUpgradeJob or ImagePrePullJob.

  • breakingNode-job switching constraint

    Applies if you use NodeUpgradeJob or ImagePrePullJob.

  • breakingThe taskManager node-job module, disabled by default

    Applies if EdgeCore is running.

  • + 3 more on the release page

Plan ahead (1)

  • deprecatedThe v1alpha1 NodeUpgradeJob and ImagePrePullJob jobs, deprecated

    Applies if you use NodeUpgradeJob or ImagePrePullJob.

Source
Backstagev1.53.0CI/CD & App DeliveryJul 14, 2026

A substantial mixed feature and maintenance release adds backend, frontend, catalog, authentication, webhook, and TechDocs capabilities alongside dependency updates and defect fixes. It also includes operator-visible changes to APIs, configuration validation, OpenAPI tooling, and MCP transport behavior; no security advisories or security-specific fixes are disclosed.

Action needed (1)

  • breakingOpenAPI breaking change detection with oasdiff

    @useoptic/optic and @useoptic/openapi-utilities have been replaced with oasdiff for OpenAPI breaking change detection.

Check if affected (12)

  • breakingSchema loading rejects invalid imports

    Applicability is not stated in the release notes.

  • breakingThe package schema openapi init and repo schema openapi test commands, removed

    Applies if you use package schema openapi init or repo schema openapi test.

  • breakingMutually exclusive userGroupMember.path and user.filter configuration

    Applies if you configure both userGroupMember.path and user.filter.

  • + 9 more on the release page

Plan ahead (3)

  • deprecatedOpaque entity header extension point deprecation

    Applies if you use the opaque entity header extension point.

  • deprecatedDynamic Client Registration deprecation warning

    Applies if you enable Dynamic Client Registration.

  • deprecatedStable auth.clientIdMetadataDocuments configuration

    Applies if you configure auth.clientIdMetadataDocuments or auth.experimentalClientIdMetadataDocuments.

Source
Keycloak26.7.0SecurityJul 9, 2026

A substantial operator-focused release that adds and promotes APIs, feature gates, administration capabilities, and deployment options. It also includes deprecations and removals, along with fixes for account takeover, log injection and audit forgery, key-attestation bypass, QR-code dimension denial of service, and four CVE-identified vulnerabilities.

Action needed (1)

  • securityPre-account takeover attack exposure

    The release corrects an issue that provided room for pre-account takeover attacks.

Check if affected (19)

Plan ahead (4)

  • deprecatedThe V1 API, deprecated

    Applies if you use V1.

  • deprecatedThe Require Discoverable Credential option, deprecated

    Applies if you configure the Require Discoverable Credential option.

  • deprecatedThe Twitter IDP implementation, deprecated

    Applies if you use the Twitter IDP implementation.

  • + 1 more on the release page
Source
cert-managerv1.21.0SecurityJul 8, 2026

A feature and maintenance release with operator-facing RBAC, Helm, API, and feature-gate changes, alongside new capabilities and defect corrections. It includes changes to configuration, permissions, certificate issuance, and integrations.

Check if affected (5)

  • securitycert-manager-edit aggregate ClusterRole permission removal, GHSA-8rvj-mm4h-c258

    Applies if you use the cert-manager-edit aggregate ClusterRole.

  • breakingObjectReference API removal

    Applies if you use ObjectReference in an API.

  • breakingPrometheus ServiceMonitor and PodMonitor Helm value removal

    Applies if you configure any of prometheus.servicemonitor.targetPort, prometheus.servicemonitor.path, or prometheus.podmonitor.path.

  • + 2 more on the release page

Plan ahead (2)

  • deprecatedGateway API controller configuration fields

    Applies if you configure any of enableGatewayAPI, enableGatewayAPIListenerSet, gatewayAPI.enabled, or gatewayAPI.enableListenerSet.

  • deprecatedServerSideApply feature gate deprecation

Source
OpenTelemetryv0.155.0ObservabilityJun 23, 2026

A release that removes stabilized feature gates, updates processor metric names, and changes service configuration APIs. It also adds schema and metadata tooling capabilities and fixes generator defects.

Check if affected (9)

  • breakingThe confightp.framedSnappy feature gate, removed

    Applies if you use confightp.framedSnappy.

  • breakingThe configoptional.AddEnabledField feature gate, removed

    Applies if you use configoptional.AddEnabledField.

  • breakingThe confmap.newExpandedValueSanitizer feature gate, removed

    Applies if you use confmap.newExpandedValueSanitizer.

  • + 6 more on the release page

Plan ahead (1)

  • deprecatedService configuration API deprecations

    Applies if you use service.Settings.CollectorConf or extensioncapabilities.ConfigWatcher.

Source
Backstagev1.52.0CI/CD & App DeliveryJun 16, 2026

A broad feature and maintenance release with breaking configuration and API evolution across catalog, scaffolder, TechDocs, frontend, actions, and Kubernetes capabilities. It also includes correctness, performance, reliability, and security-related dependency updates, with migration attention needed for renamed or deprecated settings and APIs.

Action needed (2)

  • securityThe infinispan dependency upgrade

    infinispan was upgraded from ^0.12.0 to ^0.13.0 to address known vulnerabilities.

  • breakingThe unused json-schema runtime dependency, removed

    The unused json-schema runtime dependency has been removed.

Check if affected (7)

  • breakingThe catalog.stitchingStrategy.mode: 'immediate' setting, removed

    Applies if you configure catalog.stitchingStrategy.mode.

  • breakingComboboxProps as a union type

    Applies if you use ComboboxProps.

  • breakingThe default /kubernetes page, removed

    Applies if you use /kubernetes.

  • + 4 more on the release page

Plan ahead (9)

  • deprecatedTop-level Combobox input state props, deprecated

    Applies if you use plain-array options.

  • deprecatedPrevious tokens, deprecatedremoval date not announced

    Applicability is not stated in the release notes.

  • deprecatedThe single-module runCliModule helper, deprecated

    Applies if you use runCliModule.

  • + 6 more on the release page
Source
Envoyv1.38.2Networking & MessagingJun 10, 2026

This maintenance release adds HTTP/2 runtime controls and corrects runtime guard override handling. It also announces future removal of the HTTP/2 histogram feature and its runtime guard.

Plan ahead (1)

  • deprecatedFuture removal of envoy.reloadable_features.http2_record_histogramsremoval date not announced

    Applies if envoy.reloadable_features.http2_record_histograms is enabled.

Source
Envoyv1.37.4Networking & MessagingJun 10, 2026

This release adds HTTP/2 header-statistics histograms and a cookie-size limit, and fixes RTDS runtime guard override removal. The HTTP/2 histogram runtime guard is planned for removal in a future Envoy release.

Plan ahead (1)

  • deprecatedThe envoy.reloadable_features.http2_record_histograms histograms and runtime guard, planned for future removalremoval date not announced

    Applies if you use envoy.reloadable_features.http2_record_histograms.

Source
Envoyv1.36.8Networking & MessagingJun 10, 2026

A maintenance release corrects RTDS runtime-guard override behavior and adds opt-in HTTP/2 cookie and header capabilities. The existing HTTP/2 histogram capability and its runtime guard are announced for future removal.

Plan ahead (1)

  • deprecatedenvoy.reloadable_features.http2_record_histograms, future removalremoval date not announced

    Applies if you use envoy.reloadable_features.http2_record_histograms.

Source
Daprv1.18.0Orchestration & ManagementJun 10, 2026

A substantial operator-facing release adds workflow and MCP capabilities alongside control-plane, API, component, and lifecycle changes. It also includes security fixes, dependency and default updates, and compatibility constraints that affect upgrade planning and configuration review.

Action needed (8)

  • securitymediumThe golang.org/x/image dependency update for GO-2026-4962

    golang.org/x/image is updated to v0.39.0 for GO-2026-4962.

  • securityThe durabletask-go and pgx dependency updates

    durabletask-go is updated to v0.12.1, and pgx is updated as part of the vulnerability fixes.

  • breakingThe WorkflowsRemoteActivityReminder default, enabled

    WorkflowsRemoteActivityReminder is enabled by default. Cross-app workflow activity results are delivered through Scheduler reminders unless the setting is changed.

  • breakingThe HotReload default, enabled

    HotReload is enabled by default for Components, Subscriptions, MCPServers, Configurations, HTTPEndpoints, Resiliencies, and WorkflowAccessPolicies.

  • breakingSidecar probe defaults

    Sidecar probe defaults now give liveness more time before a kubelet restart, at about 230 seconds, while readiness responds more quickly.

  • breakingThe HotReload default, enabled in v1.18

    HotReload is enabled by default in v1.18.

  • breakingLiveness and readiness probe defaults

    The default liveness probe is widened, and the readiness probe default is tightened.

  • breakingChanged sidecar probe defaults

    Sidecar probe defaults now set liveness to be more lenient, at about 230 seconds before a kubelet restart, and readiness to be tighter, at about 3 seconds for the control plane and 5 seconds for daprd.

Check if affected (6)

  • securityService invocation path traversal ACL bypass fix

    Applies if you use service invocation.

  • breakingThe MCPServerResource and WorkflowAccessPolicy feature gates, removed

    Applies if you configure the MCPServerResource or WorkflowAccessPolicy feature gates.

  • breakingThe Sentry Ed25519 workload identity key rollback constraint

    Applicability is not stated in the release notes.

  • + 3 more on the release page

Plan ahead (1)

  • deprecatedThe ScheduleJobAlpha1 alpha RPCs, deprecated

    Applies if you use ScheduleJobAlpha1.

Source
KubeVirtv1.8.3Orchestration & ManagementJun 3, 2026

A maintenance release with a fix for symlink traversal, a gRPC dependency update addressing GHSA-p77j-4mvh-x3m3, and deprecated recording rules. It also contains correctness fixes across VM status reporting, device resource handling, live migration, alerts, and VM operations.

Action needed (2)

  • securitycriticalgoogle.golang.org/grpc update to 1.79.3

    The google.golang.org/grpc dependency is bumped to 1.79.3 to remediate GHSA-p77j-4mvh-x3m3.

  • securitySymlink traversal fix in the VMExport directory handler

    The VMExport directory handler is fixed to prevent symlink traversal.

Plan ahead (1)

  • deprecatedDeprecated kubevirt_vm_created_total and kubevirt_vm_created_by_pod_total recording rules

    Applies if you use kubevirt_vm_created_total or kubevirt_vm_created_by_pod_total.

Source
etcdv3.4.45Kubernetes CoreJun 1, 2026

A maintenance release that ends support for the v3.4 line and updates the Go toolchain used to compile binaries. No further patches will be issued for v3.4.

Plan ahead (1)

  • deprecatedThe v3.4 line, end of support

Source
KEDAv2.20.0Orchestration & ManagementJun 1, 2026

This release adds scalers, configuration options, metrics, authentication modes, and compatibility improvements. Operators with custom RBAC need to account for the Kubernetes events API migration, and users of removed scaler settings need to update their configurations.

Check if affected (7)

  • securityCredential headers on cross-host redirects and HTTPS downgrades

    Applicability is not stated in the release notes.

  • breakingScaledObject name length validation

    Applies when a ScaledObject name exceeds 63 characters.

  • breakingPositive unprocessedEventThreshold values

    Applies if you configure a non-positive unprocessedEventThreshold.

  • + 4 more on the release page

Plan ahead (1)

  • deprecatedThe buildId, selectAllActive, and selectUnversioned settings, deprecated

    Applies if you configure buildId, selectAllActive, or selectUnversioned.

Source
Limav2.1.2Kubernetes CoreJun 1, 2026

A feature and maintenance release with CLI and template changes, QEMU behavior updates, and fixes across drivers, hostagent, shell, and guest support. It also includes a deprecation, while no security advisories or explicitly described vulnerabilities are present.

Check if affected (1)

  • breakingQEMU 2MB OVMF images dropped by openSUSE

    Applicability is not stated in the release notes.

Plan ahead (1)

  • deprecatedThe _LIMA_QEMU_UEFI_IN_BIOS flag, deprecated

    Applies if you configure _LIMA_QEMU_UEFI_IN_BIOS.

Source
Confidential Containersv0.21.0SecurityMay 29, 2026

A release with Trustee, KBS, attestation, and platform-support changes, plus a security advisory fix. It also deprecates several CAA components and images planned for removal in 0.22.

Action needed (1)

  • securityGHSA-84rc-2q4r-45pc advisory fix

    The release patches GHSA-84rc-2q4r-45pc in the guest components.

Plan ahead (4)

  • deprecatedpacker-built CAA podvm image deprecationdeprecated since 0.17 · removal planned in 0.22

    Applies if you use the packer-built CAA podvm image.

  • deprecatedCAA docker provider deprecationdeprecated since 0.20 · removal planned in 0.22

    Applies if you use the CAA docker provider.

  • deprecatedFedora-based mkosi-built CAA podvm image deprecationdeprecated since 0.20 · removal planned in 0.22

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

  • + 1 more on the release page
Source
containerdv2.3.1Kubernetes CoreMay 20, 2026

A maintenance release focused on runtime correctness and security, including fixes across snapshotter, storage, and server components. It also contains compatibility changes and updates to the API and Go toolchain.

Action needed (1)

  • securityhighCVE-2026-46680 correction

    The fix for CVE-2026-46680 ships in this release.

Check if affected (1)

  • breakingThe overlayfs "rebase" capability, disabled in user namespaces

    Applies if you use overlayfs and run in a user namespace.

Plan ahead (1)

  • deprecatedTask fields in Runc options, deprecated

    Applies if you configure task fields in Runc options.

Source
Backstagev1.51.0CI/CD & App DeliveryMay 19, 2026

A broad release with breaking API removals, changed defaults and constraints, and many new operator-facing capabilities. It also includes performance improvements and an explicitly described dependency security update.

Action needed (2)

  • securityModule Federation packages at v2.3.3

    Module Federation packages were upgraded to v2.3.3 to address known vulnerabilities.

  • breakingThe @remixicon/react version constraint

    The @remixicon/react dependency is limited to versions below 4.9.0 because of a license change.

Check if affected (9)

  • securitySpecific defaults for known MCP clients

    Applies if you configure CIMD or DCR.

  • breakingThe NavItemBlueprint API, removed

    Applies if you use NavItemBlueprint.

  • breakingSidebar and legacy nav-item rendering in renderInTestApp

    Applies if you use renderInTestApp.

  • + 6 more on the release page

Plan ahead (4)

  • deprecatedThe PolicyQueryUser.identity field, deprecated

    Applies if you use PolicyQueryUser.identity.

  • deprecatedThe EXPERIMENTAL_formDecorators field, deprecated alias

    Applies if you configure EXPERIMENTAL_formDecorators.

  • deprecatedThe catalog.stitchingStrategy.mode: 'immediate' setting, deprecated

    Applies if you configure catalog.stitchingStrategy.mode.

  • + 1 more on the release page
Source
OpenTelemetryv0.152.1ObservabilityMay 19, 2026

A maintenance release that adds exporter in-flight request monitoring and configuration-validation APIs while correcting runtime and configuration behavior. It also changes Prometheus telemetry defaults for explicitly configured metrics and deprecates older validation APIs.

Check if affected (2)

  • breakingThe max_request_body_size limit for snappy requests

    Applies if you configure max_request_body_size.

  • breakingPrometheus exporter defaults for explicitly configured telemetry

    Applies if you configure the telemetry metrics section.

Plan ahead (1)

  • deprecatedThe xconfmap.Validator and confmap.Validate APIs

    Applies if you use xconfmap.Validator or confmap.Validate.

Source
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
Helmv4.2.0Kubernetes CoreMay 14, 2026

A feature and maintenance release with new template and CLI capabilities, dependency updates, flag deprecations, and numerous correctness fixes. It also includes security fixes for plugin path traversal and GO-2026-4394.

Action needed (1)

  • securityhighgo.opentelemetry.io/otel/sdk update for GO-2026-4394

    Helm v4.2.0 updates go.opentelemetry.io/otel/sdk to v1.40.0 for GO-2026-4394.

Check if affected (1)

  • securityPlugin version path traversal fix

    Applies if you use the Plugin extension.

Plan ahead (1)

  • deprecatedThe --hide-notes and --render-subchart-notes flags, deprecated

    Applies if you use --hide-notes or --render-subchart-notes.

Source
Argov3.2.12CI/CD & App DeliveryMay 13, 2026

A maintenance release that closes the 3.2 series and marks it as end of life. It also contains an operator-visible bug fix and a dependency update.

Plan ahead (1)

  • deprecatedThe 3.2 release series reaches end of life

    Applies if you use the 3.2 release series.

Source
OpenTelemetryv0.152.0ObservabilityMay 11, 2026

OpenTelemetry v0.152.0 adds exporter observability and configuration/API capabilities while correcting bugs in request handling, telemetry, and value formatting. It also deprecates older configuration validation APIs in favor of the confmap APIs.

Plan ahead (1)

  • deprecatedThe xconfmap.Validator and confmap.Validate APIs, deprecated

    Applies if you use xconfmap.Validator or the deprecated confmap.Validate API for configuration validation.

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
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
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