- Promoted feature-gate `VolumeAttributesClass` to GA
  - Promoted API `VolumeAttributesClass` and `VolumeAttributesClassList` to `storage.k8s.io/v1`. ([#131549](https://github.com/kubernetes/kubernetes/pull/131549), [@carlory](https://github.com/carlory)) [SIG API Machinery, Apps, Auth, CLI, Etcd, Storage and Testing]

 
## Changes by Kind

### Deprecation

- Removed `GA` feature gate about `CSIMigrationvSphere`. ([#121291](https://github.com/kubernetes/kubernetes/pull/121291), [@bzsuni](https://github.com/bzsuni))
- Removed `GA` feature gate about `ProbeTerminationGracePeriod`. ([#121257](https://github.com/kubernetes/kubernetes/pull/121257), [@bzsuni](https://github.com/bzsuni))

- GRPC probes are now a GA feature. `GRPCContainerProbe` feature gate was locked to default value and will be removed in v1.29. If you were setting this feature gate explicitly, please remove it now. ([#116233](https://github.com/kubernetes/kubernetes/pull/116233), [@SergeyKanzhelev](https://github.com/SergeyKanzhelev))

- Promoted feature-gate `LegacyServiceAccountTokenCleanUp` to GA and locked it to default. ([#122635](https://github.com/kubernetes/kubernetes/pull/122635), [@carlory](https://github.com/carlory))
- Removed GA featuregate about `ExperimentalHostUserNamespaceDefaultingGate` in `1.30`. ([#122088](https://github.com/kubernetes/kubernetes/pull/122088), [@bzsuni](https://github.com/bzsuni))

    - [IPv4/IPv6 Dual-stack Networking graduates to GA](#ipv4ipv6-dual-stack-networking-graduates-to-ga)
    - [HorizontalPodAutoscaler v2 graduates to GA](#horizontalpodautoscaler-v2-graduates-to-ga)
    - [Generic Ephemeral Volume feature graduates to GA](#generic-ephemeral-volume-feature-graduates-to-ga)
    - [Skip Volume Ownership change graduates to GA](#skip-volume-ownership-change-graduates-to-ga)

- Promoted the `ServiceAccountTokenJTI` feature to GA, which adds a `jti` claim to issued service account tokens and embeds the `jti` claim as a `authentication.kubernetes.io/credential-id=["JTI=..."]` value in user extra info

- The `EndpointSlice` API is now GA. The `EndpointSlice` topology field has been removed from the GA API and will be replaced by a new per Endpoint Zone field. If the topology field was previously used, it will be converted into an annotation in the v1 Resource. The `discovery.k8s.io/v1alpha1` API is removed. ([#996...

    - [Kubernetes release cadence change](#kubernetes-release-cadence-change)
    - [External credential providers](#external-credential-providers)
    - [Server-side Apply graduates to GA](#server-side-apply-graduates-to-ga)
    - [Container Storage Interface graduations](#container-storage-interface-graduations)
    - [SIG Windows development tools](#sig-windows-development-tools)

### Promoted CSI Ephemeral Volume to Stable