name: Bug Report
description: Report a bug encountered while operating Kubernetes
labels: kind/bug
body:
  - type: textarea
    id: problem
    attributes:
      label: What happened?
      description: |
        Please provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner.
        If this matter is security related, please disclose it privately via https://kubernetes.io/security
    validations:

    - [Node Binaries](#node-binaries-1)
    - [Container Images](#container-images-1)
  - [Changelog since v1.21.12](#changelog-since-v12112)
  - [Changes by Kind](#changes-by-kind)
    - [Bug or Regression](#bug-or-regression)
  - [Dependencies](#dependencies-1)
    - [Added](#added-1)
    - [Changed](#changed-1)
    - [Removed](#removed-1)
- [v1.21.12](#v12112)
  - [Downloads for v1.21.12](#downloads-for-v12112)

  - [Changes by Kind](#changes-by-kind)
    - [Feature](#feature)
    - [Bug or Regression](#bug-or-regression)
  - [Dependencies](#dependencies)
    - [Added](#added)
    - [Changed](#changed)
    - [Removed](#removed)
- [v1.27.12](#v12712)
  - [Downloads for v1.27.12](#downloads-for-v12712)

#### **API & API server**

*   Fixed a bug related to discovery information for scale subresources in the apps API group ([#54683](https://github.com/kubernetes/kubernetes/pull/54683),[ @liggitt](https://github.com/liggitt))

- Fix a bug in the dual-stack IPVS proxier where stale IPv6 endpoints were not being cleaned up ([#87695](https://github.com/kubernetes/kubernetes/pull/87695), [@andrewsykim](https://github.com/andrewsykim)) [SIG Network]
- Fix a bug that orphan revision cannot be adopted and statefulset cannot be synced ([#86801](https://github.com/kubernetes/kubernetes/pull/86801), [@likakuli](https://github.com/likakuli)) [SIG Apps]

    - [Server binaries](#server-binaries)
    - [Node binaries](#node-binaries)
  - [Changelog since v1.17.16](#changelog-since-v11716)
  - [Changes by Kind](#changes-by-kind)
    - [Bug or Regression](#bug-or-regression)
  - [Dependencies](#dependencies)
    - [Added](#added)
    - [Changed](#changed)
    - [Removed](#removed)
- [v1.17.16](#v11716)
  - [Downloads for v1.17.16](#downloads-for-v11716)

### OpenStack

* Fixed a bug in the OpenStack cloud provider where dual stack deployments (IPv4 and IPv6) did not work well when using kubenet as the network plugin. ([#59749](https://github.com/kubernetes/kubernetes/pull/59749), [@zioproto](https://github.com/zioproto))

  - [Changes by Kind](#changes-by-kind)
    - [Feature](#feature)
    - [Bug or Regression](#bug-or-regression)
  - [Dependencies](#dependencies)
    - [Added](#added)
    - [Changed](#changed)
    - [Removed](#removed)
- [v1.28.8](#v1288)
  - [Downloads for v1.28.8](#downloads-for-v1288)

-->

#### What type of PR is this?

<!--
Add one of the following kinds:
/kind bug
/kind cleanup
/kind documentation
/kind feature

Optionally add one or more of the following kinds if applicable:
/kind api-change
/kind deprecation
/kind failing-test
/kind flake
/kind regression
-->

    - [SIG Scheduling](#sig-scheduling-1)
    - [SIG Storage](#sig-storage-1)
    - [SIG VMWare](#sig-vmware-1)
    - [SIG Windows](#sig-windows-1)
  - [Other Notable Changes](#other-notable-changes-11)
    - [Bug Fixes](#bug-fixes)
    - [Not Very Notable (that is, non-user-facing)](#not-very-notable-that-is-non-user-facing)
  - [External Dependencies](#external-dependencies)
- [v1.12.0-rc.2](#v1120-rc2)