- API priority and fairness graduated to beta. 1.19 servers with APF turned on should not be run in a multi-server cluster with 1.20+ servers. ([#96527](https://github.com/kubernetes/kubernetes/pull/96527), [@adtac](https://github.com/adtac)) [SIG API Machinery and Testing]

- OpenAPI V3 is turned on by default ([#109031](https://github.com/kubernetes/kubernetes/pull/109031), [@Jefftree](https://github.com/Jefftree))

  joining `etcd` members is now enabled by default. ([#120228](https://github.com/kubernetes/kubernetes/pull/120228), [@pacoxu](https://github.com/pacoxu))

* Advanced auditing is the default auditing mechanism at `v1beta1`. The new version introduces the following changes:

  * The `--audit-policy-file` option is required if the `AdvancedAuditing` feature is not explicitly turned off (`--feature-gates=AdvancedAuditing=false`) on the API server.
  * The audit log file defaults to JSON encoding when using the advanced auditing feature gate.

- Fix Azure file migration e2e test failure when CSIMigration is turned on. ([#97877](https://github.com/kubernetes/kubernetes/pull/97877), [@andyzhangx](https://github.com/andyzhangx))

- PodReadinessGate is now turned on by default. ([#67406](https://github.com/kubernetes/kubernetes/pull/67406), [@freehan](https://github.com/freehan)) Courtesy of SIG Node

### Increase the Kubernetes support window to one year

As of Kubernetes 1.19, bugfix support via patch releases for a Kubernetes minor release has increased from 9 months to 1 year.

A survey conducted in early 2019 by the working group (WG) Long Term Support (LTS) showed that a significant subset of Kubernetes end-users fail to upgrade within the previous 9-month support period. 

* 🔧 Add new Gold Sponsor vim.so 🎉. PR [#2669](https://github.com/tiangolo/fastapi/pull/2669) by [@tiangolo](https://github.com/tiangolo).
* 🔧 Add FastAPI user survey banner. PR [#2623](https://github.com/tiangolo/fastapi/pull/2623) by [@tiangolo](https://github.com/tiangolo).