- `Service` of type `ExternalName` do not create an `Endpoint` anymore. ([#114814](https://github.com/kubernetes/kubernetes/pull/114814), [@panslava](https://github.com/panslava))
- `cacher`: If `ResourceVersion` is unset, the watch is now served from the underlying storage as documented. ([#115096](https://github.com/kubernetes/kubernetes/pull/115096), [@MadhavJivrajani](https://github.com/MadhavJivrajani))

  // Must be UDP, TCP, or SCTP.
  // Default is TCP.
  // +optional
  optional string protocol = 3;

  // The application protocol for this port.
  // This is used as a hint for implementations to offer richer behavior for protocols that they understand.
  // This field follows standard Kubernetes label syntax.
  // Valid values are either:
  //

- Kube-apiserver: Get, GetList and Watch requests that should be served by the apiserver cacher during shutdown will be rejected to avoid a deadlock situation leaving requests hanging. ([#108414](https://github.com/kubernetes/kubernetes/pull/108414), [@aojea](https://github.com/aojea))