* kubeadm: fix "upgrade plan" not defaulting to a "stable" version if no version argument is passed ([#75900](https://github.com/kubernetes/kubernetes/pull/75900), [@neolit123](https://github.com/neolit123))

  [overwrite of manual edits to GCP Health Checks](https://github.com/kubernetes/ingress/issues/842)
  managed by the GLBC Ingress Controller. This can cause the health checks to start failing,
  requiring you to reapply the manual edits.
  * This issue does not affect clusters that were already running Kubernetes v1.6.4 or higher.
  * This issue does not affect Health Checks that were left in the configuration

  - [Important Security Information](#important-security-information-1)
    - [CVE-2025-4563: Nodes can bypass dynamic resource allocation authorization checks](#cve-2025-4563-nodes-can-bypass-dynamic-resource-allocation-authorization-checks)
  - [Changes by Kind](#changes-by-kind-2)
    - [Feature](#feature-1)
    - [Bug or Regression](#bug-or-regression-2)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)

#### **Kubeadm**

  - [Important Security Information](#important-security-information-1)
    - [CVE-2025-4563: Nodes can bypass dynamic resource allocation authorization checks](#cve-2025-4563-nodes-can-bypass-dynamic-resource-allocation-authorization-checks)
  - [Changes by Kind](#changes-by-kind-2)
    - [Feature](#feature-1)
    - [Bug or Regression](#bug-or-regression-2)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-1)

- kubeadm no longer performs IPVS checks as part of its preflight checks ([#81791](https://github.com/kubernetes/kubernetes/pull/81791), [@yastij](https://github.com/yastij))

- It is now possible to use named ports in the `kubectl port-forward` command ([#69477](https://github.com/kubernetes/kubernetes/pull/69477), [@m1kola](https://github.com/m1kola))
- `kubectl wait` now supports condition value checks other than true using `--for condition=available=false` ([#69295](https://github.com/kubernetes/kubernetes/pull/69295), [@deads2k](https://github.com/deads2k))

* Use port 20256 for node-problem-detector in standalone mode. ([#49316](https://github.com/kubernetes/kubernetes/pull/49316), [@ajitak](https://github.com/ajitak))
* GCE Cloud Provider: New created LoadBalancer type Service will have health checks for nodes by default if all nodes have version >= v1.7.2. ([#49330](https://github.com/kubernetes/kubernetes/pull/49330), [@MrHohn](https://github.com/MrHohn))

- Exposed the kube-scheduler "/livez" and "/readz" endpoints for health checks that are in compliance with https://kubernetes.io/docs/reference/using-api/health-checks/#api-endpoints-for-health. ([#118148](https://github.com/kubernetes/kubernetes/pull/118148), [@linxiulei](https://github.com/linxiulei)) [SIG API Machinery, Scheduling and Testing]

* Change Azure ARM Rate limiting error message. ([#65292](https://github.com/kubernetes/kubernetes/pull/65292), [@wgliang](https://github.com/wgliang))
* AWS now checks for validity of ecryption key when creating encrypted volumes. Dynamic provisioning of encrypted volume may get slower due to these checks. ([#65223](https://github.com/kubernetes/kubernetes/pull/65223), [@jsafrane](https://github.com/jsafrane))