*  Fix: Don't retry when request bodies fail due to `FileNotFoundException`.
 *  Fix: Don't crash when URLs have IPv4-mapped IPv6 addresses.
 *  Fix: Don't crash when building `HandshakeCertificates` on Android API 28.
 *  Fix: Permit multipart file names to contain non-ASCII characters.
 *  New: API to get MockWebServer's dispatcher.
 *  New: API to access headers as `java.time.Instant`.

- Removed Kubelet flags `--iptables-masquerade-bit` and `--iptables-drop-bit` as they were deprecated in v1.28. in v1.28 and have now been removed entirely. ([#122363](https://github.com/kubernetes/kubernetes/pull/122363), [@carlory](https://github.com/carlory)) [SIG Network and Node]

- github.com/Microsoft/hcsshim: [v0.12.6](https://github.com/Microsoft/hcsshim/tree/v0.12.6)
- github.com/OneOfOne/xxhash: [v1.2.8](https://github.com/OneOfOne/xxhash/tree/v1.2.8)
- github.com/agnivade/levenshtein: [v1.1.1](https://github.com/agnivade/levenshtein/tree/v1.1.1)
- github.com/akavel/rsrc: [v0.10.2](https://github.com/akavel/rsrc/tree/v0.10.2)

- `kube-scheduler` component config (KubeSchedulerConfiguration) `kubescheduler.config.k8s.io/v1beta2`
  is removed in `v1.28`. Migrate `kube-scheduler` configuration files to `kubescheduler.config.k8s.io/v1`. ([#117649](https://github.com/kubernetes/kubernetes/pull/117649), [@SataQiu](https://github.com/SataQiu))

### Feature

- Fixed a bug that caused the `apiserver` to panic when trying to allocate a Service with a dynamic `ClusterIP` and was configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115322](https://github.com/kubernetes/kubernetes/pull/115322), [@aojea](https://github.com/aojea))
- Fixed a bug where Kubernetes would apply a default StorageClass to a PersistentVolumeClaim,

- golang.org/x/sync: cd5d95a → 67f06af
- golang.org/x/sys: 5cba982 → a50acf3
- golang.org/x/time: 3af7569 → f8bda1e
- golang.org/x/tools: c1934b7 → v0.1.0
- gopkg.in/check.v1: 41f04d3 → 8fa4692
- gopkg.in/yaml.v2: v2.2.8 → v2.4.0
- gotest.tools/v3: v3.0.2 → v3.0.3
- k8s.io/gengo: 83324d8 → b6c5ce2
- k8s.io/klog/v2: v2.4.0 → v2.8.0
- k8s.io/kube-openapi: d219536 → 591a79e
- k8s.io/system-validators: v1.2.0 → v1.4.0

# Release 2.9.0

## Breaking Changes

*   Due to security issues in TF 2.8, all boosted trees code has now been removed (after being deprecated in TF 2.8). Users should switch to [TensorFlow Decision Forests](https://github.com/tensorflow/decision-forests).
*   Build, Compilation and Packaging

for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.

  Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.

### Bug or Regression

- Fix a bug that caused to panic the apiserver when trying to allocate a Service with a dynamic ClusterIP and it has been configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115334](https://github.com/kubernetes/kubernetes/pull/115334), [@aojea](https://github.com/aojea)) [SIG Network and Testing]

- Fix a bug that caused to panic the apiserver when trying to allocate a Service with a dynamic ClusterIP and it has been configured with Service CIDRs with a /28 mask for IPv4 and a /124 mask for IPv6 ([#115333](https://github.com/kubernetes/kubernetes/pull/115333), [@aojea](https://github.com/aojea)) [SIG Testing]