* Increase timeout for federated ingress test. ([#33610](https://github.com/kubernetes/kubernetes/pull/33610), [@quinton-hoole](https://github.com/quinton-hoole))
* Remove headers that are unnecessary for proxy target ([#34076](https://github.com/kubernetes/kubernetes/pull/34076), [@mbohlool](https://github.com/mbohlool))

- Fixed a regression in the kubelet's behavior while creating a container when the `EventedPLEG` feature...

- The `DeclarativeValidation` feature gate is enabled by default. When enabled, mismatches...

- Fixed a regression in default 1.27 configurations in kube-apiserver: fixed the AggregatedDiscoveryEndpoint feature (beta in 1.27+) to successfully fetch discovery information from aggregated API servers that do not check `Accept` headers when serving the `/apis` endpoint ([#120360](https://github.com/kubernetes/kubernetes/pull/120360), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery]

- Fixed a regression in default 1.27 configurations in kube-apiserver: fixed the AggregatedDiscoveryEndpoint feature (beta in 1.27+) to successfully fetch discovery information from aggregated API servers that do not check `Accept` headers when serving the `/apis` endpoint ([#120359](https://github.com/kubernetes/kubernetes/pull/120359), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery]

- Fixed an issue where kubelet does not set case-insensitive headers for http probes. (#117182, @dddddai) ([#117333](https://github.com/kubernetes/kubernetes/pull/117333), [@dddddai](https://github.com/dddddai)) [SIG API Machinery, Apps and Node]

### Feature

- 'Container `preStop` and `postStart` lifecycle handlers using `httpGet` now
  honor the specified `scheme` and `headers` fields. This enables setting custom
  headers and changing the scheme to `HTTPS`, consistent with container
  startup/readiness/liveness probe capabilities. Lifecycle handlers configured

- The `NodeConfiguration` kind in the kubeadm v1alpha2 API has been renamed `JoinConfiguration` in v1alpha3...

- Fixed an issue where kubelet does not set case-insensitive headers for http probes. (#117182, @dddddai) ([#117331](https://github.com/kubernetes/kubernetes/pull/117331), [@dddddai](https://github.com/dddddai)) [SIG API Machinery, Apps and Node]

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