- [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.27.15](#changelog-since-v12715)
  - [Important Security Information](#important-security-information)
    - [CVE-2024-5321: Incorrect permissions on Windows containers logs](#cve-2024-5321-incorrect-permissions-on-windows-containers-logs)
  - [Changes by Kind](#changes-by-kind)
    - [Feature](#feature)

- Make PodSpec.Ports' description clearer on how this information is only informational and how it can be incorrect. ([#110564](https://github.com/kubernetes/kubernetes/pull/110564), [@j4m3s-s](https://github.com/j4m3s-s)) [SIG API Machinery, Network and Node]

* The kube-apiserver discovery APIs (for example, `/apis`) return information about the API groups being served, and can change dynamically.
During server startup, prior to the server reporting healthy (via `/healthz`), not all API groups may be reported.
Wait for the server to report healthy (via `/healthz`) before depending on the information provided by the discovery APIs.

    - [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.33.3](#changelog-since-v1333)
  - [Important Security Information](#important-security-information)
    - [CVE-2025-5187: Nodes can delete themselves by adding an OwnerReference](#cve-2025-5187-nodes-can-delete-themselves-by-adding-an-ownerreference)
  - [Changes by Kind](#changes-by-kind)

    - [Server Binaries](#server-binaries-4)
    - [Node Binaries](#node-binaries-4)
    - [Container Images](#container-images-4)
  - [Changelog since v1.30.9](#changelog-since-v1309)
  - [Important Security Information](#important-security-information)
    - [CVE-2025-0426: Node Denial of Service via Kubelet Checkpoint API](#cve-2025-0426-node-denial-of-service-via-kubelet-checkpoint-api)
  - [Changes by Kind](#changes-by-kind-4)
    - [Feature](#feature-2)

    - [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.32.7](#changelog-since-v1327)
  - [Important Security Information](#important-security-information)
    - [CVE-2025-5187: Nodes can delete themselves by adding an OwnerReference](#cve-2025-5187-nodes-can-delete-themselves-by-adding-an-ownerreference)
  - [Changes by Kind](#changes-by-kind)

For more information, see [#53288](https://issue.k8s.io/53288).

* `kubeadm init` and `kubeadm join` invocations on newly installed systems can encounter a `/var/lib/kubelet is not empty` message during pre-flight checks that prevents setup. If this is the only pre-flight failure, it can be safely ignored with `--skip-preflight-checks`.

    - [Client Binaries](#client-binaries-4)
    - [Server Binaries](#server-binaries-4)
    - [Node Binaries](#node-binaries-4)
  - [Changelog since v1.20.10](#changelog-since-v12010)
  - [Important Security Information](#important-security-information)
    - [CVE-2021-25741: Symlink Exchange Can Allow Host Filesystem Access](#cve-2021-25741-symlink-exchange-can-allow-host-filesystem-access)
  - [Changes by Kind](#changes-by-kind-4)

    - [Server Binaries](#server-binaries-3)
    - [Node Binaries](#node-binaries-3)
    - [Container Images](#container-images-3)
  - [Changelog since v1.28.11](#changelog-since-v12811)
  - [Important Security Information](#important-security-information)
    - [CVE-2024-5321: Incorrect permissions on Windows containers logs](#cve-2024-5321-incorrect-permissions-on-windows-containers-logs)
  - [Changes by Kind](#changes-by-kind-3)
    - [Feature](#feature-2)

* A new flag "progress-report-url" has been added to the test context which allows progress information about the test run to be sent to a webhook. In addition, this information is printed to stdout to aid in users watching the logs. ([#84524](https://github.com/kubernetes/kubernetes/pull/84524), [@johnSchnake](https://github.com/johnSchnake))