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Releases

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

Kubernetesv1.37.0Kubernetes CoreAug 26, 2026

A feature-rich major API release with new capabilities, scheduling and node improvements, maturity promotions, and correctness and performance fixes. Upgrade planning includes API and feature-gate removals, deprecated interface cleanup, and SELinux and kubelet configuration changes that may require manifest, client, or cluster adjustments.

Action needed (6)

  • securityMalformed object deletion admission handling

    An edge case that could allow malformed object deletion to bypass admission and graceful deletion of well-formed objects is removed.

  • breakingThe WatchListCompression default

    This behavior is enabled by default and can be disabled with the WatchListCompression feature gate.

  • breakingThe EtcdRangeStream feature gate

    The EtcdRangeStream feature gate is enabled by default and promoted to Beta.

  • breakingThe AllowUnsafeMalformedObjectDeletion feature gate

    The AllowUnsafeMalformedObjectDeletion feature gate is promoted to Beta and enabled by default. List errors for objects that cannot be read from storage include the first underlying cause in the error message.

  • breakingThe PodLevelResourceManagers default

    The PodLevelResourceManagers feature gate is disabled by default because of issues found before release.

  • breakingkube-scheduler list-type attribute evaluation

    kube-scheduler evaluates list-type attributes, the .includes function, and CEL macros even when the ListTypeAttributes feature gate is disabled. This prevents errors during rolling upgrades or when the feature gate is toggled.

Check if affected (35)

  • securitykubeconfig migration permissions

    Applies if you configure a kubeconfig file for migration.

  • breakingThe SELinuxMount default

    Applies if your cluster has SELinux enabled.

  • breakingThe Workload-Aware Scheduling API types

    Applies if you use scheduling.k8s.io/v1alpha2 or scheduling.k8s.io/v1beta1.

  • + 32 more on the release page

Plan ahead (5)

  • deprecatedThe kube-proxy ipvs modedeprecated since v1.35

    Applies if you run kube-proxy's ipvs mode.

  • deprecatedThe v1alpha1 DRAResourceHealth APIremoval planned in v1.40

    Applies if you use the v1alpha1 DRAResourceHealth API.

  • deprecatedThe kubectl run --filename and -f flags

    Applies if you configure --filename or -f.

  • + 2 more on the release page
Source
wasmCloudv2.8.0Orchestration & ManagementAug 25, 2026

A feature-and-maintenance release adds async messaging and host/runtime controls. It also changes defaults, refreshes dependencies, and includes a disclosed security dependency fix.

Action needed (1)

  • securityThe h2 dependency update for RUSTSEC-2026-0258

    The h2 dependency is bumped to 0.4.17 for RUSTSEC-2026-0258. The update ships in this release.

Check if affected (1)

  • breakingEmbedder OCI and socket defaults

    Applies if you use the embedder subsystem.

Source
Backstagev1.54.5CI/CD & App DeliveryAug 25, 2026

A maintenance release focused on correctness fixes for catalog ownership references, filtering, and software template rendering. It requires no operator action.

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Linkerdedge-26.8.4Networking & MessagingAug 25, 2026

A maintenance release with two correctness fixes and a Go toolchain dependency update. It also improves TLSRoute compatibility across Gateway API versions.

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OpenFGAv1.19.0SecurityAug 25, 2026

A maintenance release with dependency updates, correctness fixes, logging changes, and an internal streaming optimization. Previously persisted malformed models now fail with ErrInvalidModel on a cache miss instead of running degraded.

Check if affected (1)

  • breakingMalformed RelationReference models rejected on cache miss

    Applicability is not stated in the release notes.

Source
metal3-iov0.13.3Provisioning & RuntimeAug 25, 2026

A maintenance release with RBAC permission additions, dependency and toolchain updates, and a pinned Ironic version for end-to-end testing. Existing operators do not need to take action.

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metal3-iov0.12.7Provisioning & RuntimeAug 25, 2026

A maintenance release with dependency and toolchain updates, plus expanded deletion permission for HostUpdatePolicies. No security changes are disclosed.

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CRI-Ov1.35.7Kubernetes CoreAug 24, 2026

A security maintenance release fixes a vulnerability involving newline handling in the HOME environment variable. The fix addresses a bypass that could allow /etc/passwd injection.

Action needed (1)

  • securityhighCVE-2026-15809 newline handling in HOME

    Fixes CVE-2026-15809, which allowed /etc/passwd injection through newline characters in the HOME environment variable. The check now matches actual newline bytes instead of the literal string "\n".

Source
CRI-Ov1.36.4Kubernetes CoreAug 24, 2026

A small maintenance release adds per-container targeting for CPU load balancing, IRQ load balancing, and CPU quota annotations. It also fixes a CRI-O crash during pod sandbox statistics collection when a container cgroup is cleaned up during teardown.

Source
Linkerdedge-26.8.3Networking & MessagingAug 21, 2026

A maintenance release focused primarily on dependency version updates across the project. The Linkerd proxy is updated to v2.366.0, with no security advisories or operator-enforced breaking changes described.

Source
Crossplanev1.20.12Orchestration & ManagementAug 21, 2026

A maintenance release with security-related dependency and toolchain updates, along with routine dependency and runtime version changes. No advisory identifiers are stated.

Action needed (5)

  • securityVulnerable dependency fixes

    Vulnerable dependencies were updated in the release-1.20 branch.

  • securityVulnerable dependency updates

    Vulnerable dependencies were updated in the release-1.20 branch.

  • securityThe github.com/go-git/go-git/v5 module update

    The github.com/go-git/go-git/v5 module was updated to version v5.19.2 in the release-1.20 branch.

  • securityThe golang.org/x/mod module update

    The golang.org/x/mod module was updated to version v0.40.0 in the release-1.20 branch.

  • securityThe Go toolchain version 1.25.13

    The Go toolchain was updated to version 1.25.13 in the release-1.20 branch.

Source
Crossplanev2.2.5Orchestration & ManagementAug 21, 2026

A maintenance release corrects binary checksum generation and deletion-protection indexing, and updates dependencies for upstream CVE fixes. The changes affect release verification, webhook deletion checks, and the dependency set shipped with the release.

Action needed (1)

  • securityDependency security updates

    The release updates cel-go, golang.org/x/mod, sigstore-go, and go-git, along with a combined set of vulnerable dependency updates, to pick up upstream CVE fixes. It also bumps crossplane-runtime to v2.2.4, which carries its own security dependency updates.

Source
Crossplanev2.3.5Orchestration & ManagementAug 21, 2026

A maintenance release that corrects checksum handling and an ambiguous Usage index key, alongside security-sensitive dependency updates and build dependency changes. The dependency updates require upgrading; no operator configuration migration is stated.

Action needed (4)

  • securityThe golang.org/x/mod dependency update

    The golang.org/x/mod dependency is updated in this release.

  • securityThe github.com/sigstore/sigstore-go module update

    The github.com/sigstore/sigstore-go module is updated to v1.2.1 in this release.

  • securityThe github.com/google/cel-go module update

    The github.com/google/cel-go module is updated to v0.30.0 in this release.

  • securityThe crossplane-runtime dependency update

    The crossplane-runtime dependency is updated to v2.3.4 in this release.

Source
SPIREv1.15.3SecurityAug 21, 2026

This release adds attestors, plugins, configuration options, and CLI/API capabilities. It also updates dependencies and includes behavior changes and defect fixes, with no security advisories or explicitly described vulnerabilities.

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hamiv2.10.0AI & MLAug 21, 2026

A substantial operator-focused maintenance release with broad bug and behavior fixes, alongside new scheduling, device, configuration, and observability capabilities. It also updates security-relevant dependencies and the runtime/toolchain while removing obsolete functionality that may affect compatibility and configuration.

Action needed (3)

  • securitytensorflow/tensorflow upgraded to 2.21.0rc0-gpu

    The tensorflow/tensorflow dependency is upgraded from 2.20.0rc0-gpu to 2.21.0rc0-gpu.

  • securitytensorflow/tensorflow upgraded to 2.21.0rc1-gpu

    The tensorflow/tensorflow dependency is upgraded from 2.21.0rc0-gpu to 2.21.0rc1-gpu.

  • securitygolang security upgrade

    The golang runtime is upgraded to address a security issue.

Check if affected (7)

  • breakingDRA components removed from the HAMi main chart

    Applies if you use DRA components in the HAMi main chart.

  • breakingWebhook denial of privileged containers

    Applies if you use the webhook.

  • breakingDeprecated scheduler policy configmap removed

    Applies if you configure the deprecated scheduler policy configmap.

  • + 4 more on the release page
Source
Rookv1.20.6Storage & DataAug 20, 2026

A maintenance release with a Ceph security advisory, a disabled Rook manager module, and clearer CephX fallback errors. Users of Ceph are advised to upgrade, while CephX key fallback failures now report the actual error.

Check if affected (2)

  • securityCeph CVE-2025–30156 upgrade advisory

    Applies if you depend on Ceph.

  • breakingThe rook mgr module, disabled

    Applies if you enable the rook mgr module.

Source
Rookv1.19.10Storage & DataAug 20, 2026

This release calls attention to a Ceph security advisory and disables the Rook manager module. It also updates CephCluster warning handling and reports the actual error when CephX key fallback fails.

Action needed (1)

  • breakingThe rook mgr module, disabled

    The rook mgr module is disabled in this release.

Check if affected (1)

  • securityhighCeph CVE-2025-30156 advisory

    Applies if you depend on Ceph.

Source
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
Kubernetesv1.36.4Kubernetes CoreAug 20, 2026

A maintenance release with correctness fixes and a security-related dependency update. The dependency update is recorded in the manifest and has no standalone operator impact.

Action needed (1)

  • securitySecurity updates for golang.org/x/text and golang.org/x/net

    The dependency manifest updates golang.org/x/text and golang.org/x/net to include security updates.

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
Strimzi1.2.0Networking & MessagingAug 20, 2026

This release removes legacy CRD API versions and resource state metrics, and changes defaults for token mounting, feature gates, and container security contexts. It also adds Kafka and configuration capabilities and updates shipped dependencies.

Action needed (2)

  • breakingService Account token mounting

    Service Account tokens are no longer auto-mounted into Pods. They are mounted through a volume instead.

  • breakingThe ServerSideApplyPhase1 feature gate, permanently enabled

    The ServerSideApplyPhase1 feature gate has moved to GA and is permanently enabled. It can no longer be disabled.

Check if affected (3)

  • breakingLegacy CRD API versions, no longer supported

    Applies before upgrading to Strimzi 1.0.0 or later if you use the v1beta2, v1beta1, or v1alpha1 APIs.

  • breakingResource state metrics, removed

    Applicability is not stated in the release notes.

  • breakingDefault securityContext for operator installations

    Applies if you use the Cluster, Topic, and User Operator YAML installation files or the Cluster Operator Helm Chart.

Source
Rookv1.19.9Storage & DataAug 19, 2026

A maintenance release with security guidance for CVE-2025–30156 and updates across Ceph authentication, core behavior, Multus networking, and the Ceph base image. The release also includes a workaround for a Ceph authentication rotation race.

Action needed (1)

  • securityCVE-2025–30156 upgrade guidance

    Rook users are advised to upgrade to Rook v1.20.5 or v1.19.9 with Ceph v20.2.4 or v19.2.6 in response to CVE-2025–30156.

Source
Rookv1.20.5Storage & DataAug 19, 2026

A security-focused release with an advisory requiring Rook and Ceph upgrades. It also adds support for the new cephx key type, changes external version validation to ignore Ceph commit IDs, and fixes monitor registration in the v1 failover path.

Check if affected (1)

  • securityCeph CVE-2025–30156 advisory

    Applies if you use Ceph.

Source
Keycloak26.7.2SecurityAug 19, 2026

A maintenance release with disclosed security fixes, a cleartext vault-keystore password correction, a Quarkus dependency upgrade, and other bug corrections. The fixes cover account and permission flows, secret handling, and runtime dependencies.

Action needed (2)

  • securitymediumCVE-2026-59888 and CVE-2026-59889 fixes in jackson-databind

    jackson-databind is upgraded to 2.21.5 to address CVE-2026-59888 and CVE-2026-59889. The dependency update ships in this Keycloak release.

  • securitymediumCVE-2026-45292 OpenTelemetry Java SDK memory allocation correction

    CVE-2026-45292 corrects unbounded memory allocation in W3C Baggage Propagation in the OpenTelemetry Java SDK.

Check if affected (6)

  • securitycriticalCVE-2026-18963 reset-credentials flow bypass correction

    Applies if you use the reset-credentials flow.

  • securityhighCVE-2026-15571 predictable account-linking hash correction

    Applies if you use oidc.

  • securitymediumCVE-2026-14613 fine-grained admin permissions bypass correction

    Applies if you use the admin/fine-grained-permissions API.

  • + 3 more on the release page
Source
CoreDNSv1.14.7Kubernetes CoreAug 19, 2026

A maintenance release with a Go toolchain update that includes disclosed CVE fixes, an ACL-check bypass correction, and changes to operator-visible defaults. It also adds features and corrects defects across the DNS server.

Action needed (1)

Check if affected (3)

  • securityplugin/acl autopath ACL checks

    Applies if you use plugin/acl and autopath.

  • breakingplugin/forward default connection attempts

    Applies if you use plugin/forward.

  • breakingplugin/hosts unsupported-type fallthrough

    Applies if you use plugin/hosts.

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
Ciliumv1.20.1Networking & MessagingAug 18, 2026

A maintenance release with numerous operator-facing bug fixes and behavior corrections, alongside dependency and image updates. It also introduces a decoder-memory limit and fixes a CIDR policy bypass that could cause traffic drops after an agent restart.

Check if affected (1)

  • securityThe endpoint CIDR policy bypass, fixed

    Applicability is not stated in the release notes.

Source
Ciliumv1.19.7Networking & MessagingAug 18, 2026

A maintenance release with bug fixes, diagnostic improvements, dependency and image updates, and improved DNS request validation. It contains no security advisories or explicitly described vulnerabilities.

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Ciliumv1.18.13Networking & MessagingAug 18, 2026

A maintenance release that adds host-firewall protocol support, corrects networking and stability defects, and changes runtime behavior and observability. It also updates dependencies and container images, including a gRPC security fix with no disclosed vulnerability.

Action needed (1)

  • securityThe google.golang.org/grpc dependency, updated to v1.82.1

    The google.golang.org/grpc module is updated to v1.82.1 in the v1.18 release line. The release note marks this dependency update as a security fix, but does not disclose the vulnerability.

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
Chaos Meshv2.8.4ObservabilityAug 18, 2026

A maintenance release focused on operator-visible fixes in the Dashboard and Helm charts. The corrections cover UI behavior, authentication and token handling, dashboard subpath serving, and chart template rendering.

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OpenTelemetryv0.159.0ObservabilityAug 17, 2026

A release that adds exporter queue batching controls, changes exporter and scraper metric behavior, and updates public API field shapes. Schema-based configuration migrations are also included, with no security advisories or security fixes disclosed.

Check if affected (2)

  • breakingThe confighttp.ServerConfig field shape in Config

    Applies if you use extension/zpages.

  • breakingThe configauth.Config field shape in AuthConfig

    Applies if you use configauth.Config.

Source
Open Policy Agent (OPA)v1.19.1SecurityAug 17, 2026

A security-focused maintenance release updates the Go build dependency to 1.26.6 and addresses standard-library vulnerabilities used by OPA's HTTP handler and crypto builtins. Operators building their own binaries or images control the Go version used in those builds.

Action needed (1)

  • securitycriticalGo 1.26.6 build dependency

    OPA is built with Go 1.26.6, fixing standard-library vulnerabilities in code used by its HTTP handler and crypto builtins. The fixes address GO-2026-5026, GO-2026-5972, GO-2026-6088, GO-2026-6089, GO-2026-6090, GO-2026-6091, and GO-2026-6218.

Source
Daprv1.16.19Orchestration & ManagementAug 15, 2026

This maintenance release contains operator-relevant correctness fixes. The SPIFFE SVID source is now attached to the context passed into operation calls, so components can use the SPIFFE ID for per-operation authentication.

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OpenFeaturecore/v0.16.2CI/CD & App DeliveryAug 14, 2026

A maintenance release with bug fixes for core initialization, flagd-proxy gRPC keepalive handling, and eventstream connections. No operator action is required beyond upgrading.

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OpenFeatureflagd-proxy/v0.9.8CI/CD & App DeliveryAug 14, 2026

A maintenance release for flagd-proxy resolves open Dependabot security alerts. The sync server also receives a gRPC keepalive enforcement policy update.

Action needed (1)

  • securityOpen Dependabot security alerts resolved

    Open Dependabot security alerts are resolved in flagd-proxy v0.9.8.

Source
OpenFeatureflagd/v0.16.2CI/CD & App DeliveryAug 14, 2026

A maintenance release with bug fixes for eventing, eventstream connection handling, and OFREP evaluation metrics. The fixes require no operator action beyond adopting the release.

Source
Daprv1.18.3Orchestration & ManagementAug 14, 2026

A maintenance release with operator-facing correctness fixes, runtime behavior changes, a new configuration flag, and cron parser updates backed by a dependency change. It contains no security advisories or explicitly described vulnerabilities.

Source
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