Merge main into dev-1.22 to keep in sync

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -59,6 +59,7 @@ different Kubernetes components.
 | `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | |
 | `AnyVolumeDataSource` | `false` | Alpha | 1.18 | |
 | `AppArmor` | `true` | Beta | 1.4 | |
+| `ControllerManagerLeaderMigration` | `false` | Alpha | 1.21 | |
 | `CPUManager` | `false` | Alpha | 1.8 | 1.9 |
 | `CPUManager` | `true` | Beta | 1.10 | |
 | `CSIInlineVolume` | `false` | Alpha | 1.15 | 1.15 |
@@ -523,6 +524,11 @@ Each feature gate is designed for enabling/disabling a specific feature:
   extended tokens by starting `kube-apiserver` with flag `--service-account-extend-token-expiration=false`.
   Check [Bound Service Account Tokens](https://github.com/kubernetes/enhancements/blob/master/keps/sig-auth/1205-bound-service-account-tokens/README.md)
    for more details.
+- `ControllerManagerLeaderMigration`: Enables Leader Migration for 
+  [kube-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#initial-leader-migration-configuration) and 
+  [cloud-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#deploy-cloud-controller-manager) which allows a cluster operator to live migrate 
+  controllers from the kube-controller-manager into an external controller-manager 
+  (e.g. the cloud-controller-manager) in an HA cluster without downtime.
 - `CPUManager`: Enable container level CPU affinity support, see
   [CPU Management Policies](/docs/tasks/administer-cluster/cpu-management-policies/).
 - `CRIContainerLogRotation`: Enable container log rotation for CRI container runtime. The default max size of a log file is 10MB and the
@@ -785,7 +791,7 @@ Each feature gate is designed for enabling/disabling a specific feature:
 - `PodOverhead`: Enable the [PodOverhead](/docs/concepts/scheduling-eviction/pod-overhead/)
   feature to account for pod overheads.
 - `PodPriority`: Enable the descheduling and preemption of Pods based on their
-  [priorities](/docs/concepts/configuration/pod-priority-preemption/).
+  [priorities](/docs/concepts/scheduling-eviction/pod-priority-preemption/).
 - `PodReadinessGates`: Enable the setting of `PodReadinessGate` field for extending
   Pod readiness evaluation.  See [Pod readiness gate](/docs/concepts/workloads/pods/pod-lifecycle/#pod-readiness-gate)
   for more details.