- Resolved a performance issue in the node authorizer index maintenance. ([#87693](https://github.com/kubernetes/kubernetes/pull/87693), [@liggitt](https://github.com/liggitt)) [SIG Auth]

- Fix indexer bug that resulted in incorrect index updates if number of index values for a given object was changing during update ([#109137](https://github.com/kubernetes/kubernetes/pull/109137), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery]

- Fixed handling of objects with invalid selectors. ([#107559](https://github.com/kubernetes/kubernetes/pull/107559), [@liggitt](https://github.com/liggitt))
- Fixed indexer bug that resulted in incorrect index updates if number of index values for a given object was changing during update ([#109137](https://github.com/kubernetes/kubernetes/pull/109137), [@wojtek-t](https://github.com/wojtek-t))

        .newBuilder()
        .dns(FakeDns())
        .build()
    assertFailsWith<UnknownHostException> {
      getResponse(
        Request
          .Builder()
          .url("http://1234.1.1.1/index.html".toHttpUrl())
          .build(),
      )
    }
  }

  private fun testServerClosesOutput(mockResponse: MockResponse) {
    server.enqueue(mockResponse)

- Fixed a `v1.28` regression handling negative index json patches. ([#120327](https://github.com/kubernetes/kubernetes/pull/120327), [@liggitt](https://github.com/liggitt))

- Fixed bug in CRD Validation Rules (beta) and `ValidatingAdmissionPolicy` (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114857](https://github.com/kubernetes/kubernetes/pull/114857), [@jpbetz](https://github.com/jpbetz))

* Make fluentd pods critical ([#39146](https://github.com/kubernetes/kubernetes/pull/39146), [@crassirostris](https://github.com/crassirostris))
* Fluentd/Elastisearch add-on: correctly parse and index kubernetes labels ([#36857](https://github.com/kubernetes/kubernetes/pull/36857), [@Shrugs](https://github.com/Shrugs))

### Heapster

- Fix bug in CRD Validation Rules (beta) and ValidatingAdmissionPolicy (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114864](https://github.com/kubernetes/kubernetes/pull/114864), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery]

- Fix bug in CRD Validation Rules (beta) and ValidatingAdmissionPolicy (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114861](https://github.com/kubernetes/kubernetes/pull/114861), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth and Cloud Provider]