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..
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.
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.
A maintenance release that adds operator-facing options and transport, plugin, and protocol support while correcting defects. It is built with Go 1., which contains fixes for disclosed CVEs; other changes concern operators using the affected features or behaviors.
Action needed (1)
securitycriticalGo 1. build with security fixes
The release is built with Go 1., which includes security fixes for CVE-2026-32282, CVE-2026-32289, CVE-2026-33810, CVE-2026-27144, CVE-2026-27143, CVE-2026-32288, CVE-2026-32283, CVE-2026-27140, CVE-2026-32936, CVE-2026-33190, CVE-2026-33489, CVE-2026-32934, and CVE-2026-35579.
Check if affected (1)
breakingOversized DoH GET query parameter rejection
Applies if you use DoH.
A maintenance release with the Go 1.25.9 toolchain and several correctness fixes. It changes the default for StatefulSet parallel pod management and includes fixes for kubelet restarts, apiserver audit-log latency annotations, and kube-proxy nftables support.
Check if affected (1)
breakingDefault for MaxUnavailableStatefulSet
Applies if you do not enable MaxUnavailableStatefulSet.
