AI-analyzed release notes for CNCF graduated and incubating projects.
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. API, deprecated
Applies if you use shim..
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.
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.
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.
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.
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.
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)
securitycriticalLinux security updates
Linux was updated with security fixes associated with advisories including CVE-2024-56757, CVE-2025-71239, and CVE-2026-31788.
securityhighcurl security updates
curl was updated with fixes for CVE-2025-10148 and CVE-2025-9086.
securityhighexpat security update
expat was updated with a fix for CVE-2025-59375.
securityhighgnupg security updates
gnupg was updated with fixes for CVE-2025-68972 and CVE-2025-68973.
securityhighGo security updates
go was updated with security fixes associated with CVE-2025-47910, CVE-2025-47912, CVE-2025-58183, and related advisories.
securityhighintel-microcode security updates
intel-microcode was updated with fixes associated with CVE-2024-28956, CVE-2024-43420, CVE-2025-20012, and related advisories.
securityhighlibxslt security updates
libxslt was updated with fixes for CVE-2025-7424 and CVE-2025-7425.
securityhighnvidia-drivers security updates
nvidia-drivers was updated with fixes for CVE-2025-23280, CVE-2025-23282, CVE-2025-23300, and related advisories.
securityhighopenssl security updates
openssl was updated with fixes for CVE-2025-9230, CVE-2025-9231, and CVE-2025-9232.
securityhighPAM security updates
pam was updated with fixes for CVE-2024-10041, CVE-2024-10963, CVE-2024-22365, and CVE-2025-6020.
securitymediumbinutils security updates
binutils was updated with fixes for CVE-2025-5244, CVE-2025-5245, and CVE-2025-8225.
securitymediumcoreutils security update
coreutils was updated with a fix for CVE-2025-5278.
securitymediumlibpcre2 security update
libpcre2 was updated with a fix for CVE-2025-58050.
securitymediumnet-tools security update
net-tools was updated with a fix for CVE-2025-46836.
securitylowopenssh security updates
openssh was updated with fixes for CVE-2025-61984 and CVE-2025-61985.
securitylibxml2 update
libxml2 was updated to libxml2-20250908.
breakingOpenSSH algorithm configuration defaults
Ciphers, MACs, and KexAlgorithms were dropped from the sshd configuration. OpenSSH upstream defaults are used instead.
breakingReduced first-stage initrd kernel modules
The set of kernel modules available in the first initrd is reduced.
Check if affected (1)
breakingAutomatic startup for overlaybd sysext services
Applies if you use the overlaybd sysext.
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.. Disabling it with -blocks-storage. is not recommended for production.
Check if affected (1)
breakingThe Distributor type and unit label flag
Applies if you configure either -distributor. or -distributor. for remote write v2 and OTLP requests.
Plan ahead (3)
breakingThe Ruler API flag rename
Applies if you configure -experimental..
breakingThe Alertmanager API flag rename
Applies if you configure -experimental..
breakingThe Users Scanner user index update configuration
Applies if you configure either -*. or clean_up_interval.
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., renamed to AllowlistEntry.
Applies if you configure AllowlistEntry..
Plan ahead (6)
deprecatedService . deprecation
Applies if you configure Service ..
deprecatedDirect access to metav1., deprecated
Applies if you use metav1..
deprecatedMinNodeScore and MaxNodeScore, deprecated
Applies if you use MinNodeScore or MaxNodeScore.
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.
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.
A correctness-focused release also changes backend volume naming and removes permissions from the kubevirt. RBAC role. The RBAC change requires operator attention.
Action needed (1)
breakingThe kubevirt. RBAC role, with vnc and screenshot permissions removed
The vnc and screenshot permissions are removed from the kubevirt. RBAC role in this release.
This release combines a new TechDocs sidebar styling capability with dependency updates and constraints. It also corrects an active tab indicator issue in Backstage UI.
Action needed (1)
breakingReact Aria dependency ranges constrained to patch-only updates
React Aria dependency ranges are limited to patch-only updates in Backstage v1.50.2.
This release combines an operator defect correction with changes to operator capabilities, configuration, and dependency or image versions. It contains no security advisories or explicitly described security fixes.
Action needed (1)
breakingThe default COSI sidecar image version, updated
The default version of the COSI sidecar image is updated in the COSI component.
This release adds Kubernetes-native service routing and related CRD fields, changes Helm behavior, fixes a NATS subscriber initialization race, and retires the runtime-gateway path. Operators using the deprecated gateway configuration need to account for the routing change and removed chart behavior.
Action needed (1)
breakingThe default chart tag is removed
The default tag is removed, so the chart uses chart.'s appVersion.
Check if affected (1)
breakingNative Kubernetes Service routing replaces runtime-gateway
Applies if you use runtime-gateway.
Plan ahead (1)
deprecatedThe Helm gateway section is deprecated
Applies if you configure gateway.
A maintenance release with dependency updates, defect corrections, expanded compatibility, and new integrations and configuration capabilities. An existing configuration source is replaced, so affected operators need to update their configuration.
Action needed (1)
breakingProvider configuration replaced by cloud-integration.
The provider config is no longer used, and configuration is read from cloud-integration. instead. Operators using the replaced configuration source need to update their configuration.
A maintenance release adds Helm v4 server-side apply support and includes numerous correctness fixes. The WASM decompression size-limit change affects inputs that were previously accepted and may require operator review.
Action needed (1)
breakingThe gzip decompression size limit for WASM binaries
A size limit is now enforced on gzip-decompressed WASM binaries fetched over HTTP.
A substantial operator-facing feature and maintenance release adds new capabilities, configuration and deployment options, performance improvements, and many bug fixes. It also changes selected defaults, deprecates Token Exchange v1, and includes security and correctness fixes for authorization, identity and URL handling, SCIM, anti-phishing checks, and UMA token validation.
Action needed (6)
securitySeparate password and OTP brute force protection
Password and OTP brute force protection are now separate by default to prevent OTP bypass attacks.
securityResourceAdminManager URL construction validation
URL construction in ResourceAdminManager is validated against matrix parameter injection.
securityClient retrieval anti-ID phishing check
Client retrieval now includes the missing anti-ID phishing check.
breakingZero-downtime patch releases enabled by default
Zero-downtime patch releases are now promoted to supported and enabled by default.
breaking--truststore-kubernetes-enabled enabled by default
The behavior controlled by --truststore-kubernetes-enabled is enabled by default.
breakingTen-second default not-before validation
The default not-before validation period is now 10 seconds instead of 0.
Check if affected (7)
securityWorkflows admin permission boundaries
Applies if you use Workflows.
securityOrganizations login IdP alias disclosure
Applies if you use Organizations.
securitySCIM PUT body ID override protection
Applies if you use SCIM.
Plan ahead (1)
deprecatedToken Exchange v1 deprecation
Applies if you use Token Exchange v1.
