* add fieldSelector podIP ([#50091](https://github.com/kubernetes/kubernetes/pull/50091), [@dixudx](https://github.com/dixudx))
* Return Audit-Id http response header for trouble shooting ([#49377](https://github.com/kubernetes/kubernetes/pull/49377), [@CaoShuFeng](https://github.com/CaoShuFeng))

- Kubeadm: deprecate self-hosting support. The experimental command "kubeadm alpha self-hosting" is now deprecated and will be removed in a future release. ([#95125](https://github.com/kubernetes/kubernetes/pull/95125), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

    * In `kubectl describe`, find controllers with ControllerRef, instead of showing the original creator. ([#42849](https://github.com/kubernetes/kubernetes/pull/42849), [@janetkuo](https://github.com/janetkuo))

* GCE: Allows existing internal load balancers to continue using a subnetwork that may have been wrongfully chosen due to a bug choosing subnetworks on automatic networks.  ([#57861](https://github.com/kubernetes/kubernetes/pull/57861), [@nicksardo](https://github.com/nicksardo))
### Azure

#### Updates to existing commands
* Printing and output
  * Import a numeric ordering sorting library and use it in the sorting printer. ([#40746](https://github.com/kubernetes/kubernetes/pull/40746), [@matthyx](https://github.com/matthyx))

- `kubectl get` no longer exits before printing all of its results if an error is found ([#70311](https://github.com/kubernetes/kubernetes/pull/70311), [@juanvallejo](https://github.com/juanvallejo))
- Fixed a runtime error occurring when sorting the output of `kubectl get` with empty results ([#70740](https://github.com/kubernetes/kubernetes/pull/70740), [@mfpierre](https://github.com/mfpierre))

* Kubeadm now includes CoreDNS version 1.6.5 ([#85108](https://github.com/kubernetes/kubernetes/pull/85108), [@rajansandeep](https://github.com/rajansandeep))
    *  - `kubernetes` plugin adds metrics to measure kubernetes control plane latency.
    *  -  the `health` plugin now includes the `lameduck` option by default, which waits for a duration before shutting down.

### SIG-autoscaling

SIG Autoscaling focused on improving the Horizontal Pod Autoscaling API and algorithm:
- We released autoscaling/v2beta2, which cleans up and unifies the API
- We improved readiness detection and smoothing to work well in a larger variety or use cases

### SIG-Azure

Sig Azure was focused on two primary new alpha features:
- Adding Azure Availability Zones support to cloud provider.

### Generic Ephemeral Volumes

- Fixed a bug where `kubectl describe` incorrectly displayed NetworkPolicy port ranges
  (showing only the starting port). ([#123316](https://github.com/kubernetes/kubernetes/pull/123316), [@jcaamano](https://github.com/jcaamano))
- Fixed a bug where hard evictions due to resource pressure allowed pods
  to use the full termination grace period instead of shutting down instantly.