- client-go: The `rest.AnonymousClientConfig(*rest.Config) *rest.Config` helper method no longer copies custom `Transport` and `WrapTransport` fields, because those can be used to inject user credentials. ([#75771](https://github.com/kubernetes/kubernetes/pull/75771), [@liggitt](https://github.com/liggitt))...

be listed or watched. Any objects in the unsynced resource type with owner references with `blockOwnerDeletion: true` will not be known to the garbage collector. Use of `blockOwnerDeletion` has always been best-effort and racy on startup and object creation. With this fix, it continues to be best-effort for resources that cannot be synced by the garbage collector controller. ([#125796](https://github.com/kubernetes/kubernetes/pull/125796), [@haorenfsa](https://github.com/haorenfsa)) [SIG API Machinery,...

    - [Node Binaries](#node-binaries-7)
  - [Changelog since v1.21.6](#changelog-since-v1216)
  - [Changes by Kind](#changes-by-kind-6)
    - [Feature](#feature-4)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-6)
  - [Dependencies](#dependencies-7)
    - [Added](#added-7)
    - [Changed](#changed-7)
    - [Removed](#removed-7)
- [v1.21.6](#v1216)

- The deprecated mondo `kubernetes-test` tarball is no longer built. Users running Kubernetes e2e tests should use the `kubernetes-test-portable` and `kubernetes-test-{OS}-{ARCH}` tarballs instead. ([#83093](https://github.com/kubernetes/kubernetes/pull/83093), [@ixdy](https://github.com/ixdy))

### Scheduling

s3.eu-west-2.amazonaws.com
s3-accesspoint.eu-west-2.amazonaws.com
s3-object-lambda.eu-west-2.amazonaws.com
s3-website.eu-west-2.amazonaws.com
s3.dualstack.eu-west-3.amazonaws.com
s3-accesspoint.dualstack.eu-west-3.amazonaws.com
s3-website.dualstack.eu-west-3.amazonaws.com
s3.eu-west-3.amazonaws.com
s3-accesspoint.eu-west-3.amazonaws.com
s3-object-lambda.eu-west-3.amazonaws.com
s3-website.eu-west-3.amazonaws.com

- Replaced deprecated package `k8s.io/utils/pointer` with `k8s.io/utils/ptr` for ./test/e2e and ./test/utils. ([#132763](https://github.com/kubernetes/kubernetes/pull/132763), [@PatrickLaabs](https://github.com/PatrickLaabs)) [SIG Autoscaling and Testing]

- E2e.test: [Feature:OffByDefault] was added to test names when specifying a feature gate that is not enabled by default. ([#130655](https://github.com/kubernetes/kubernetes/pull/130655), [@BenTheElder](https://github.com/BenTheElder)) [SIG Auth and Testing]

  - [Changelog since v1.26.4](#changelog-since-v1264)
  - [Changes by Kind](#changes-by-kind-10)
    - [API Change](#api-change-4)
    - [Feature](#feature-10)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-10)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-3)
  - [Dependencies](#dependencies-10)
    - [Added](#added-10)
    - [Changed](#changed-10)

- Added PreemptionPolicy in PriorityClass describe ([#108701](https://github.com/kubernetes/kubernetes/pull/108701), [@denkensk](https://github.com/denkensk))

    - [Container Images](#container-images-9)
  - [Changelog since v1.27.6](#changelog-since-v1276)
  - [Changes by Kind](#changes-by-kind-9)
    - [Feature](#feature-8)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-9)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-3)
  - [Dependencies](#dependencies-9)
    - [Added](#added-9)
    - [Changed](#changed-9)