new endpoint, the rules for the new endpoint might not be added until
  much later). ([#122757](https://github.com/kubernetes/kubernetes/pull/122757), [@hakman](https://github.com/hakman)) [SIG Network]
- If a pvc has an empty storageClassName, persistentvolume controller won't try to assign a default StorageClass ([#122704](https://github.com/kubernetes/kubernetes/pull/122704), [@carlory](https://github.com/carlory)) [SIG Apps and Storage]

- Fix paging issues when Azure API returns empty values with non-empty nextLink ([#96211](https://github.com/kubernetes/kubernetes/pull/96211), [@feiskyer](https://github.com/feiskyer)) [SIG Cloud Provider]

- Kube-apiserver: bugfix DeleteCollection API fails if request body is non-empty ([#113967](https://github.com/kubernetes/kubernetes/pull/113967), [@sxllwx](https://github.com/sxllwx)) [SIG API Machinery]

* Fixes API compatibility issue with empty lists incorrectly returning a null `items` field instead of an empty array. ([#39834](https://github.com/kubernetes/kubernetes/pull/39834), [@liggitt](https://github.com/liggitt))

  - apiserver_flowcontrol_next_s_bounds: min and max next S among non-empty queues
  - apiserver_flowcontrol_next_discounted_s_bounds: min and max next S - (sum [over requests executing] width * estimatedDuration) among non-empty queues ([#102859](https://github.com/kubernetes/kubernetes/pull/102859), [@MikeSpreitzer](https://github.com/MikeSpreitzer)) [SIG API Machinery and Instrumentation]

- Fix: don't use docker config cache if it's empty ([#92330](https://github.com/kubernetes/kubernetes/pull/92330), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider]

- Respect annotation size limit for server-side apply updates to the client-side apply annotation. Also, fix opt-out of this behavior by setting the client-side apply annotation to the empty string. ([#102105](https://github.com/kubernetes/kubernetes/pull/102105), [@julianvmodesto](https://github.com/julianvmodesto)) [SIG API Machinery]

- Kube-apiserver: bugfix DeleteCollection API fails if request body is non-empty ([#113968](https://github.com/kubernetes/kubernetes/pull/113968), [@sxllwx](https://github.com/sxllwx)) [SIG API Machinery]

- Kube-apiserver: bugfix DeleteCollection API fails if request body is non-empty ([#113286](https://github.com/kubernetes/kubernetes/pull/113286), [@sxllwx](https://github.com/sxllwx)) [SIG API Machinery]

    - [Dashboard](#dashboard)
    - [DNS](#dns)
    - [DNS Autoscaler](#dns-autoscaler)
    - [Cluster Autoscaler](#cluster-autoscaler-1)
    - [Cluster Load Balancing](#cluster-load-balancing)
    - [etcd Empty Dir Cleanup](#etcd-empty-dir-cleanup)
    - [Fluentd](#fluentd)
    - [Heapster](#heapster)
    - [Registry](#registry)
  - [External Dependency Version Information](#external-dependency-version-information)