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Update module github.com/gardener/gardener to v1.136.0#685

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Update module github.com/gardener/gardener to v1.136.0#685
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This PR contains the following updates:

Package Change Age Confidence
github.com/gardener/gardener v1.135.1v1.136.0 age confidence

Release Notes

gardener/gardener (github.com/gardener/gardener)

v1.136.0

Compare Source

[github.com/gardener/gardener:v1.136.0]

⚠️ Breaking Changes

  • [OPERATOR] The Garden's .spec.virtualCluster.kubernetes.kubeAPIServer.eventTTL field's valid values range is restricted from [0, 168h] to [0, 24h]. The new range is imposed for new Garden creations and for field value updates. Already existing Gardens which specify invalid values (more than 24h) are not affected. by @​ialidzhikov [#​13830]
  • [OPERATOR] The ManagedSeedSet's .spec.shootTemplate.spec.kubernetes.kubeAPIServer.eventTTL field's valid values range is restricted from [0, 168h] to [0, 24h]. The new range is imposed for new ManagedSeedSet creations and for field value updates. Already existing ManagedSeedSets which specify invalid values (more than 24h) are not affected. by @​ialidzhikov [#​13830]
  • [USER] Shoot addons (.spec.addons) have been deprecated and will be forbidden starting with Kubernetes 1.35. Their usage was already discouraged for productive clusters, as they now only include unmaintained components (Kubernetes dashboard and Ingress NGINX Controller). by @​timuthy [#​13845]
  • [USER] The shoot field .spec.kubernetes.kubeScheduler.kubeMaxPDVols has been deprecated and will be forbidden starting with Kubernetes 1.35. The maximum number of attachable volumes is maintained by the respective CSI plugin. by @​timuthy [#​13845]
  • [USER] The Shoot's .spec.kubernetes.kubeAPIServer.eventTTL field's valid values range is restricted from [0, 168h] to [0, 24h]. The new range is imposed for new Shoots creations and for field value updates. Already existing Shoots which specify invalid values (more than 24h) are not affected. by @​ialidzhikov [#​13830]
  • [USER] Downgrading the machine image version (.spec.provider.workers[].machine.image.version) is not allowed for worker pools using the AutoInPlaceUpdate or ManualInPlaceUpdate strategy, as Gardener does not support machine image downgrades for any operating system currently. For AutoRollingUpdate, the entire node is replaced, so this limitation does not apply. by @​shafeeqes [#​13828]
  • [USER] The shoot field .spec.kubernetes.kubeAPIServer.watchCacheSizes.default has been deprecated and will be forbidden starting with Kubernetes 1.35. Watch cache sizes are automatically sized by Kubernetes. by @​timuthy [#​13845]
  • [USER] Setting .spec.kubernetes.kubeAPIServer.enableAnonymousAuthentication in the Shoot spec is forbidden for clusters with Kubernetes version >= 1.35. Users that enable anonymous authentication should use Structured Authentication with anonymous authenticator instead. by @​dimityrmirchev [#​13707]
  • [DEVELOPER] The healthcheck controller now supports the garden extension class. Health check client interfaces have been renamed from SeedClient/ShootClient to SourceClient/TargetClient for better abstraction across extension classes. The PreCheckFunc method signature has been changed to accept any for cluster or garden object. by @​theoddora [#​13789]

📰 Noteworthy

  • [OPERATOR] New health and readiness checks have been added to vpn-seed-server to improve availability and reduce log clutter. by @​domdom82 [#​13802]
  • [OPERATOR] The Shoot spec has a new field spec.kubernetes.kubeAPIServer.encryptionConfig.provider.type, which currently can only be set to aescbc. by @​AleksandarSavchev [#​13732]
  • [OPERATOR] For Kubernetes virtual clusters >= 1.33, we now deploy both Endpoints and EndpointSlice resources for the APIService connection between virtual-garden-kube-apiserver and gardener-apiserver. by @​acumino [#​14041]
  • [OPERATOR] The Garden spec has 2 new fields spec.virtualCluster.kubernetes.kubeAPIServer.encryptionConfig.provider.typeand spec.virtualCluster.gardener.gardenerAPIServer.encryptionConfig.provider.type, which currently can only be set to aescbc. by @​AleksandarSavchev [#​13732]
  • [OPERATOR] The OpenTelemetryCollector feature gate has been promoted to Beta and is enabled by default. by @​rrhubenov [#​13851]
  • [USER] The field .spec.kubernetes.kubeAPIServer.enableAnonymousAuthentication in the Shoot spec will be automatically set to nil if users set it false as these two are equivalent across the codebase. The field is deprecated and users that enable anonymous authentication should migrate to Structured Authentication with anonymous authenticator instead. by @​dimityrmirchev [#​13707]
  • [USER] It is now explicitly supported to use short worker OS image versions in the CloudProfile, which are not defaulted when creating or updating the Shoot spec. by @​Gerrit91 [#​13785]
  • [USER] The shoot deletion flow has been enhanced to tolerate leftover resources in the following situations:
    • Objects that belong to namespaces which have already been deleted (finalized).
    • Objects that were created after the cleanup process began for the first time, plus the finalize grace period. by @​timuthy [#​13918]

✨ New Features

  • [OPERATOR] Gardener now supports pulling Helm charts from OCI registries that use custom or self-signed TLS certificates. This is particularly useful for air-gapped environments or when using private container registries with custom certificate authorities.

    A new caBundleSecretRef field has been added to the ociRepository configuration in the following resources:

    • core.gardener.cloud/v1.ControllerDeployment: .helm.ociRepository.caBundleSecretRef
    • core.gardener.cloud/v1beta1.ControllerDeployment: .helm.ociRepository.caBundleSecretRef
    • operator.gardener.cloud/v1alpha1.Extension: .spec.deployment.{admission.{runtimeCluster,virtualCluster},extension}.helm.ociRepository.caBundleSecretRef

    The field references a secret in the garden namespace containing a PEM-encoded CA certificate bundle (data key: bundle.crt). For gardenlet usage, the secret must be labeled with gardener.cloud/role=oci-ca-bundle. by @​shafeeqes [#​13868]

  • [OPERATOR] The gardener-controller-manager now increases all ResourceQuotas in project namespaces when a Gardener update leads to Gardener creating more resources in them. This was introduced to prevent failing Shoot reconciliations when ResourceQuotas of projects are near their limit. by @​tobschli [#​13850]

  • [OPERATOR] Introduce fluent-bit-plugin v1 with OTLP support behind the OpenTelemetryCollector feature gate and adjust fluent-bit resources to select OTLP. by @​nickytd [#​13961]

  • [OPERATOR] Introduced the Victoria Operator as a component to Seed & Garden Clusters. by @​rrhubenov [#​13708]

  • [OPERATOR] When configuring a custom CNI path for containerd, GNA will now - in addition to checking the version of the config.toml config file - query containerd for its version and use the bin_dirs path with a string array if the config file version is 3 and containerd >= 2.2 is detected. by @​MrBatschner [#​13826]

  • [OPERATOR] An instance of OpenTelemetry Collector is now deployed to the garden namespace of both Garden and Seed clusters. by @​rrhubenov [#​13481]

  • [OPERATOR] Gardener can now support clusters with Kubernetes version 1.35. To allow creation/update of 1.35 clusters you will have to update the version of your provider extension(s) to a version that supports 1.35 as well. Please consult the respective releases and notes in the provider extension's repository. by @​timuthy [#​13845]

  • [USER] The Shoot field .spec.seedSelector can now be adjusted for already scheduled shoots, as long as the new selector still selects the assigned seed. by @​timuthy [#​13920]

  • [DEVELOPER] gardenctl in local setup by @​hown3d [#​13842]

  • [DEVELOPER] Gardener can now support clusters with Kubernetes version 1.35. Extension developers have to prepare individual extensions as well to work with 1.35. by @​timuthy [#​13845]

  • [DEVELOPER] Environment variable MAX_PARALLEL_WORKERS can now be used to control the number of parallel workers that are spawned during the call to the make generate target. by @​rrhubenov [#​13903]

🐛 Bug Fixes

  • [OPERATOR] An issue causing unwanted reconciliations of Secrets and other objects due to cache resyncs in the project activity reconciler is now fixed. by @​shafeeqes [#​13945]
  • [OPERATOR] This PR fixes webhook certificate reconciliation to properly apply changes in webhook configurations. by @​acumino [#​13971]
  • [OPERATOR] Fixes a bug when feature gate UseUnifiedHTTPProxyPort was used in conjunction with a seed load balancer using proxy protocol. by @​maboehm [#​13832]
  • [OPERATOR] Fixes a bug in the UsesUnifiedHTTPProxyPort constraint, when feature gate UseUnifiedHTTPProxyPort was used and then disabled again by @​maboehm [#​13844]
  • [USER] gardener-apiserver: An issue in gardener-apiserver v1.135.0 causing kubectl apply for a Shoot to be wrongly rejected with "spec.dns.providers[0]: Required value: non-primary DNS providers must specify type and credentialsRef" in some cases is now fixed. by @​ialidzhikov [#​13861]
  • [DEVELOPER] Enable MCM (cluster-autoscaler) to scale provider-local Nodes. by @​LucaBernstein [#​13804]

🏃 Others

  • [OPERATOR] Audit policy configmap for the gardener API server referenced in the garden resource is now validated. by @​acumino [#​13478]
  • [OPERATOR] Upon gardenlet start all existing opentelemetry collector pipelines in shoot control planes will be migrated to the expected content. by @​nickytd [#​14054]
  • [OPERATOR] The mutating ShootDNS admission plugin is now also a validating one. Validations which are executed by this admission plugin during the mutation phase are now moved to the validating ShootDNS admission plugin. by @​ialidzhikov [#​13910]
  • [OPERATOR] Add Prometheus health check rule in the cache Prometheus to ensure the presence of kubelet volume stats metrics. by @​vicwicker [#​13855]
  • [OPERATOR] Federate shoot:node_operating_system:sum time series from the garden to the longterm Prometheus. by @​vicwicker [#​13805]
  • [OPERATOR] Fix flaky test for latest MCM release v0.61.x by @​r4mek [#​13916]
  • [OPERATOR] The majority of the VerticalPodAutoscaler resources managed by Gardener are enhanced to define an explicit container policy for all containers that need to be auto-scaled and to have a catch-all container policy (containerName: '*' and mode: Off) always. by @​voelzmo [#​13819]
  • [OPERATOR] The following dependencies have been updated:
  • [OPERATOR] The existing TooManyEtcdSnapshotCompactionJobsFailing alert has been renamed to EtcdSnapshotCompactionJobsFailingForSeed and its expression has been fixed to correctly measure the fraction of namespaces with failures.
    Two new per-namespace alerts (EtcdSnapshotCompactionJobsFailingForNamespace and EtcdFullSnapshotsFailingForNamespace) have been added to help operators identify specific shoot clusters where compaction jobs or full snapshots are failing above the 10% threshold. by @​anveshreddy18 [#​14053]
  • [OPERATOR] Use Kubernetes 1.34.3 in the local setup. by @​vicwicker [#​13855]
  • [USER] Allow NamespacedCloudProfile.spec.limits to be decreased. by @​LucaBernstein [#​13724]
  • [DEVELOPER] The component checklist rule for Define a VerticalPodAutoscaler is enhanced with the convention that a VPA should define an explicit container policy for all containers that need to be auto-scaled and should have a catch-all container policy (containerName: '*' and mode: Off) always. For more details, refer to theComponent Checklist. by @​voelzmo [#​13819]
  • [DEVELOPER] The TM tests are now adapted to run against Kubernetes 1.35. by @​ialidzhikov [#​13995]
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
    • gcr.io/istio-release/pilot from 1.27.5 to 1.27.6.
    • gcr.io/istio-release/proxyv2 from 1.27.5 to 1.27.6.
    • istio.io/api from v1.27.5 to v1.27.6. by @​gardener-ci-robot [#​13986]
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:
  • [DEPENDENCY] The following dependencies have been updated:

Helm Charts

  • controlplane: europe-docker.pkg.dev/gardener-project/releases/charts/gardener/controlplane:v1.136.0
  • gardenlet: europe-docker.pkg.dev/gardener-project/releases/charts/gardener/gardenlet:v1.136.0
  • operator: europe-docker.pkg.dev/gardener-project/releases/charts/gardener/operator:v1.136.0
  • resource-manager: europe-docker.pkg.dev/gardener-project/releases/charts/gardener/resource-manager:v1.136.0

Container (OCI) Images

  • admission-controller: europe-docker.pkg.dev/gardener-project/releases/gardener/admission-controller:v1.136.0
  • apiserver: europe-docker.pkg.dev/gardener-project/releases/gardener/apiserver:v1.136.0
  • controller-manager: europe-docker.pkg.dev/gardener-project/releases/gardener/controller-manager:v1.136.0
  • gardenadm: europe-docker.pkg.dev/gardener-project/releases/gardener/gardenadm:v1.136.0
  • gardenlet: europe-docker.pkg.dev/gardener-project/releases/gardener/gardenlet:v1.136.0
  • node-agent: europe-docker.pkg.dev/gardener-project/releases/gardener/node-agent:v1.136.0
  • operator: europe-docker.pkg.dev/gardener-project/releases/gardener/operator:v1.136.0
  • resource-manager: europe-docker.pkg.dev/gardener-project/releases/gardener/resource-manager:v1.136.0
  • scheduler: europe-docker.pkg.dev/gardener-project/releases/gardener/scheduler:v1.136.0

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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This PR has been generated by Renovate Bot.

@gardener-ci-robot gardener-ci-robot requested a review from a team as a code owner February 14, 2026 08:13
@gardener-ci-robot gardener-ci-robot added the kind/enhancement Enhancement, improvement, extension label Feb 14, 2026
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ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

  • 22 additional dependencies were updated
  • The go directive was updated for compatibility reasons

Details:

Package Change
go 1.25.0 -> 1.25.6
github.com/gardener/etcd-druid/api v0.34.0 -> v0.35.0
github.com/gardener/machine-controller-manager v0.60.2 -> v0.61.1
github.com/goccy/go-yaml v1.18.0 -> v1.19.2
github.com/open-telemetry/opentelemetry-operator v0.142.0 -> v0.143.0
github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.87.1 -> v0.89.0
go.opentelemetry.io/otel v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/exporters/prometheus v0.60.0 -> v0.61.0
go.opentelemetry.io/otel/metric v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/sdk v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/sdk/metric v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/trace v1.38.0 -> v1.39.0
golang.org/x/crypto v0.47.0 -> v0.48.0
golang.org/x/mod v0.32.0 -> v0.33.0
golang.org/x/net v0.49.0 -> v0.50.0
golang.org/x/sys v0.40.0 -> v0.41.0
golang.org/x/telemetry v0.0.0-20260109210033-bd525da824e2 -> v0.0.0-20260209163413-e7419c687ee4
golang.org/x/term v0.39.0 -> v0.40.0
golang.org/x/text v0.33.0 -> v0.34.0
golang.org/x/tools v0.41.0 -> v0.42.0
google.golang.org/genproto/googleapis/api v0.0.0-20251111163417-95abcf5c77ba -> v0.0.0-20251202230838-ff82c1b0f217
google.golang.org/genproto/googleapis/rpc v0.0.0-20251111163417-95abcf5c77ba -> v0.0.0-20251202230838-ff82c1b0f217

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@gardener-prow gardener-prow bot added cla: yes Indicates the PR's author has signed the cla-assistant.io CLA. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Feb 14, 2026
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@gardener-ci-robot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

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