- `apiserver_dropped_requests` is dropped from this release since `apiserver_request_total` can now be used to track dropped requests. `etcd_object_counts` is also removed in favor of `apiserver_storage_objects`. `apiserver_registered_watchers` is also removed in favor of `apiserver_longrunning_requests`. ([#110337](https://github.com/kubernetes/kubernetes/pull/110337), [@logicalhan](https://github.com/logicalhan))

  - The flag `--experimental-control-plane` is now deprecated in favor of  `--control-plane`. The flag `--experimental-upload-certs` is now deprecated in favor of `--upload-certs` ([#78452](https://github.com/kubernetes/kubernetes/pull/78452),...

kQ,OAAO,EAAMC,UAAU,EAAMC,MAAM,EAAMC,UAAU,EAAMC,OAAO,GAC5E3L,EAAKiB,QAASrI,GAAMwM,EAAmBxM,GAExC,IAAMA,IAAK,CAAEgT,QAAQ,EAAMC,OAAO,GACjC7L,EAAKiB,QAASrI,GAAMyM,EAAoBzM,GAIzC,SAAS2Q,KAIT,SAASlF,EAAU1K,EAAUmS,GAC5B,IAAIrC,EAAS/F,EAAOqI,EAAQ3T,EAC3B4T,EAAOrI,EAAQsI,EACfC,EAASxL,EAAY/G,EAAW,KAEjC,GAAKuS,EACJ,OAAOJ,EAAY,EAAII,EAAOnV,MAAO,GAGtCiV,EAAQrS,EACRgK,EAAS,GACTsI,EAAajM,EAAK6H,UAElB,MAAQmE,EAAQ,CA2Bf,IAAM5T,KAxBAqR,KAAa/F,EAAQvC,EAAO2C,KAAMkI,MAClCtI,IAGJsI,EAAQA,EAAMjV,MAAO2M,EAAO,GAAI1J,SAAYg...

- kubectl: `--use-openapi-print-columns` has been deprecated in favor of `--server-print`, and will be removed in a future version. ([#65601](https://github.com/kubernetes/kubernetes/pull/65601), [@liggitt](https://github.com/liggitt))

  - `node_memory_working_set_bytes`
  - `pod_cpu_usage_seconds_total`
  - `pod_memory_working_set_bytes`
  - `resource_scrape_error`
  
  Deprecated (renamed) `scrape_error` in favor of `resource_scrape_error` ([#116897](https://github.com/kubernetes/kubernetes/pull/116897), [@Richabanker](https://github.com/Richabanker)) [SIG Architecture, Instrumentation, Node and Testing]

In v1.9 SIG Network has implemented alpha support for IPv6, and alpha support for CoreDNS as a drop-in replacement for kube-dns. Additionally, SIG Network has begun the deprecation process for the extensions/v1beta1 NetworkPolicy API in favor of the networking.k8s.io/v1 equivalent.

### Node

- The `NetworkPolicyLegacy` test suite (deprecated in `v1.21`) has now officially been removed in favor of the new table driven e2e tests. ([#118915](https://github.com/kubernetes/kubernetes/pull/118915), [@astoycos](https://github.com/astoycos))

- Reminder: The labels "failure-domain.beta.kubernetes.io/zone" and "failure-domain.beta.kubernetes.io/region" are deprecated in favor of "topology.kubernetes.io/zone" and "topology.kubernetes.io/region" respectively.  All users of the "failure-domain.beta..." labels should switch to the "topology..." equivalents. ([#96033](https://github.com/kubernetes/kubernetes/pull/96033), [@...

kQ,OAAO,EAAMC,UAAU,EAAMC,MAAM,EAAMC,UAAU,EAAMC,OAAO,GAC5E3L,EAAKiB,QAASrI,GAAMwM,EAAmBxM,GAExC,IAAMA,IAAK,CAAEgT,QAAQ,EAAMC,OAAO,GACjC7L,EAAKiB,QAASrI,GAAMyM,EAAoBzM,GAIzC,SAAS2Q,KAIT,SAASlF,EAAU1K,EAAUmS,GAC5B,IAAIrC,EAAS/F,EAAOqI,EAAQ3T,EAC3B4T,EAAOrI,EAAQsI,EACfC,EAASxL,EAAY/G,EAAW,KAEjC,GAAKuS,EACJ,OAAOJ,EAAY,EAAII,EAAOnV,MAAO,GAGtCiV,EAAQrS,EACRgK,EAAS,GACTsI,EAAajM,EAAK6H,UAElB,MAAQmE,EAAQ,CA2Bf,IAAM5T,KAxBAqR,KAAa/F,EAAQvC,EAAO2C,KAAMkI,MAClCtI,IAGJsI,EAAQA,EAAMjV,MAAO2M,EAAO,GAAI1J,SAAYg...

- Added a `--topology-manager-policy-options` flag to the kubelet to support fine tuning the topology manager policies. The first policy option, `prefer-closest-numa-nodes`, allows these policies to favor sets of NUMA nodes with shorter distance between nodes when making admission decisions. ([#112914](https://github.com/kubernetes/kubernetes/pull/112914), [@PiotrProkop](https://github.com/PiotrProkop))