- Kube-controller-manager: Removed flags  `deleting-pods-qps`, `deleting-pods-burst`, and `register-retry-count`. ([#109612](https://github.com/kubernetes/kubernetes/pull/109612), [@pandaamanda](https://github.com/pandaamanda))

- Kubemark: added two flags, `--kube-api-qps` which indicates the maximum QPS to the apiserver, and `--kube-api-burst` which indicates maximum burst for throttle to the apiserver. ([#124147](https://github.com/kubernetes/kubernetes/pull/124147), [@devincd](https://github.com/devincd))

- Client-go informers can now enqueue new watch events while already-queued events are being processed. This avoids dropping watches during a burst of incoming events due to contention on slow processing. This behavior is controlled by the UnlockWhileProcessing client-go feature gate, which is enabled by default. ([#136264](https://github.com/kubernetes/kubernetes/pull/136264), [@michaelasp](...

* Fix watch cache filtering ([#28966](https://github.com/kubernetes/kubernetes/pull/28966), [@liggitt](https://github.com/liggitt))
* Deprecate deleting-pods-burst ControllerManager flag ([#28882](https://github.com/kubernetes/kubernetes/pull/28882), [@gmarek](https://github.com/gmarek))

up and say "Who am I then?  Tell me that first, and then, if I
like being that person, I'll come up:  if not, I'll stay down
here till I'm somebody else"--but, oh dear!' cried Alice, with a
sudden burst of tears, `I do wish they WOULD put their heads
down!  I am so VERY tired of being all alone here!'

  As she said this she looked down at her hands, and was
surprised to see that she had put on one of the Rabbit's little

up and say "Who am I then?  Tell me that first, and then, if I
like being that person, I'll come up:  if not, I'll stay down
here till I'm somebody else"--but, oh dear!' cried Alice, with a
sudden burst of tears, `I do wish they WOULD put their heads
down!  I am so VERY tired of being all alone here!'

  As she said this she looked down at her hands, and was
surprised to see that she had put on one of the Rabbit's little

- Apiserver: used the correct error when logging errors updating managedFields. ([#113711](https://github.com/kubernetes/kubernetes/pull/113711),...

- the IP allocator in v1.17.0 can return errors such as `the cluster IP <ip> for service <service-name> is not within...

Major features for stateful applications include automated updates to StatefulSets, enhanced updates for DaemonSets, a burst mode for faster StatefulSets scaling, and (alpha) support for local storage.

- Fix kubectl config flags incorrectly setting burst and discovery limits ([#108401](https://github.com/kubernetes/kubernetes/pull/108401), [@ulucinar](https://github.com/ulucinar)) [SIG CLI]