- Fixed stuck apiserver if an aggregated apiservice returned `304 Not Modified` for aggregated discovery information ([#114459](https://github.com/kubernetes/kubernetes/pull/114459), [@alexzielenski](https://github.com/alexzielenski))

- Fixed a regression in kube-proxy where it might refuse to start if given
  single-stack IPv6 configuration options on a node that has both IPv4 and
  IPv6 IPs. ([#121008](https://github.com/kubernetes/kubernetes/pull/121008), [@danwinship](https://github.com/danwinship)) [SIG Network]

* Update dashboard version to v1.8.3 ([#57326](https://github.com/kubernetes/kubernetes/pull/57326), [@floreks](https://github.com/floreks))
* Fixes a case when Deployment with recreate strategy could get stuck on old failed Pod. ([#60496](https://github.com/kubernetes/kubernetes/pull/60496), [@tnozicka](https://github.com/tnozicka))

- Graduated HorizontalPodAutoscaler support for per-container metrics to stable. ([#123482](https://github.com/kubernetes/kubernetes/pull/123482), [@sanposhiho](https://github.com/sanposhiho))

- The `CloudDualStackNodeIPs` feature is now `beta`, meaning that when using
  an external cloud provider that has been updated to support the feature,
  you can pass comma-separated dual-stack `--node-ips` to `kubelet` and have
  the cloud provider take both IPs into account. ([#120275](https://github.com/kubernetes/kubernetes/pull/120275), [@danwinship](https://github.com/danwinship))

  - go_memory_classes_heap_stacks_bytes
  - go_memory_classes_heap_unused_bytes
  - go_memory_classes_metadata_mcache_free_bytes
  - go_memory_classes_metadata_mcache_inuse_bytes
  - go_memory_classes_metadata_mspan_free_bytes
  - go_memory_classes_metadata_mspan_inuse_bytes
  - go_memory_classes_metadata_other_bytes
  - go_memory_classes_os_stacks_bytes
  - go_memory_classes_other_bytes