- Replaced *_admission_latencies_milliseconds_summary and *_admission_latencies_milliseconds metrics because they were reporting seconds rather than milliseconds. They were also subject to multiple naming guideline violations (units should be in base units and "duration" is the best practice labelling to measure the time a request takes). Please convert to use *_admission_duration_seconds and *_admission_duration_seconds_summary, as these now report the unit as described,...

	`networking.k8s.io/v1` API group. The structure remains unchanged from
	the beta1 API.
	The `net.beta.kubernetes.io/network-policy` annotation on Namespaces
	to opt in to isolation has been removed. Instead, isolation is now
	determined at a per-pod level, with pods being isolated if there is
	any NetworkPolicy whose spec.podSelector targets them. Pods that are

- Fixed a suboptimal scheduler preemption behavior where potential preemption victims were violating Pod Disruption Budgets. ([#128307](https://github.com/kubernetes/kubernetes/pull/128307), [@NoicFank](https://github.com/NoicFank)) [SIG Scheduling]

  affinities. This option can be used as an optimization for higher scheduling throughput
  (at the cost of an occasional pod being scheduled non-optimally/violating existing
  pods preferred inter-pod affinities). To enable this scheduler option, set the

- Fixed a suboptimal scheduler preemption behavior where potential preemption victims were violating Pod Disruption Budgets. ([#128431](https://github.com/kubernetes/kubernetes/pull/128431), [@NoicFank](https://github.com/NoicFank)) [SIG Scheduling]

abs .nav-link {\n  margin-bottom: -1px;\n  background-color: transparent;\n  border: 1px solid transparent;\n  border-top-left-radius: 0.25rem;\n  border-top-right-radius: 0.25rem;\n}\n\n.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {\n  isolation: isolate;\n  border-color: #e9ecef #e9ecef #dee2e6;\n}\n\n.nav-tabs .nav-link.disabled {\n  color: #6c757d;\n  background-color: transparent;\n  border-color: transparent;\n}\n\n.nav-tabs .nav-link.active,\n.nav-tabs .nav-item.show .nav-link {\n...

- Fixed a suboptimal scheduler preemption behavior where potential preemption victims were violating Pod Disruption Budgets. ([#128435](https://github.com/kubernetes/kubernetes/pull/128435), [@NoicFank](https://github.com/NoicFank)) [SIG Scheduling]

## Dependencies

### Added
_Nothing has changed._

- Fixed a suboptimal scheduler preemption behavior where potential preemption victims were violating Pod Disruption Budgets. ([#128434](https://github.com/kubernetes/kubernetes/pull/128434), [@NoicFank](https://github.com/NoicFank)) [SIG Scheduling]

## Dependencies

### Added
_Nothing has changed._

 border: var(--bs-nav-tabs-border-width) solid transparent;\n  border-top-left-radius: var(--bs-nav-tabs-border-radius);\n  border-top-right-radius: var(--bs-nav-tabs-border-radius);\n}\n.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {\n  isolation: isolate;\n  border-color: var(--bs-nav-tabs-link-hover-border-color);\n}\n.nav-tabs .nav-link.disabled, .nav-tabs .nav-link:disabled {\n  color: var(--bs-nav-link-disabled-color);\n  background-color: transparent;\n  border-color: transparent;\n}\n.nav-tabs...

As an alpha feature, Kubernetes v1.22 can use the cgroups v2 API to control memory allocation and isolation. This feature is designed to improve workload and node availability when there is contention for memory resources.

### API changes and improvements for ephemeral containers