- Kubernetes is now built with Go 1.20.6 ([#119366](https://github.com/kubernetes/kubernetes/pull/119366), [@xmudrii](https://github.com/xmudrii)) [SIG Release and Testing]

### Bug or Regression

  of objects which do not change frequently. ([#113362](https://github.com/kubernetes/kubernetes/pull/113362), [@sxllwx](https://github.com/sxllwx))
- `component-base/logs` is now stricter about not applying configurations multiple
  times and will return an error when that is attempted. Can be overridden by binaries

* Reduce amount of noise in Stackdriver Logging, generated by the event-exporter component in the fluentd-gcp addon. ([#48712](https://github.com/kubernetes/kubernetes/pull/48712), [@crassirostris](https://github.com/crassirostris))

- Added to `MutableFeatureGate` the ability to override the default setting of feature gates, to allow default-enabling a feature on a component-by-component basis instead of for all affected components simultaneously. ([#122647](https://github.com/kubernetes/kubernetes/pull/122647), [@benluddy](https://github.com/benluddy))

- Component-base: make the validation logic about LeaderElectionConfiguration consistent between component-base and client-go ([#111758](https://github.com/kubernetes/kubernetes/pull/111758), [@SataQiu](https://github.com/SataQiu)) [SIG API Machinery and Scheduling]

MUST read this before you upgrade)

- Stopped accepting component configuration for `kube-proxy` and `kubelet` during `kubeadm upgrade plan --config`. This was a legacy behavior that was not well supported for upgrades and could be used only at the plan stage to determine if the configuration for these components stored in the cluster needs manual version migration. In the future, `kubeadm` will attempt alternative component config migration approaches. ([#120788](https://github.com/kube...