* Tasks execute with the same happens-before order that the function calls to {@link #submit} and
 * {@link #submitAsync} that submitted those tasks had.
 *
 * <p>This class has limited support for cancellation and other "early completions":
 *
 * <ul>
 *   <li>While calls to {@code submit} and {@code submitAsync} return a {@code Future} that can be
 *       cancelled, cancellation never propagates to a task that has started to run -- neither to

                            plan.step(p, BEFORE + n2).ifPresent(before::executeBefore);
                            // 2. Parent's phase completion waits for child's phase completion
                            plan.step(p, AFTER + n2).ifPresent(after::executeAfter);
                        });
                    }
                });
            });

   * one input completes with result X and another later with result Y, for Y to come before X in
   * the output future list. (Such races are impossible to solve without global synchronization of
   * all future completions. And they should have little practical impact.)
   *
   * <p>Cancelling a delegate future propagates to input futures once all the delegates complete,

  when the number of succeeded Job Pods (`.status.succeeded`) reached the desired completions (`.spec.completions`). ([#126067](https://github.com/kubernetes/kubernetes/pull/126067), [@tenzen-y](https://github.com/tenzen-y)) [SIG API Machinery, Apps and Testing]

- API validation relaxed allowing Indexed Jobs to be scaled up/down by changing parallelism and completions in tandem, such that parallelism == completions. ([#115236](https://github.com/kubernetes/kubernetes/pull/115236), [@danielvegamyhre](https://github.com/danielvegamyhre)) [SIG Apps and Testing]

- Fixed validation for Job with `suspend=true`, and `completions=0` to set the Complete condition. ([#132614](https://github.com/kubernetes/kubernetes/pull/132614), [@mimowo](https://github.com/mimowo)) [SIG Apps and Testing]

- Shell completion now shows plugin names when appropriate. Furthermore, shell completion will work for plugins that provide such support. ([#105867](https://github.com/kubernetes/kubernetes/pull/105867), [@marckhouzam](https://github.com/marckhouzam))

- Kubectl now supports shell completion for the <type>/<name> format for specifying resources.
  kubectl now provides shell completion for container names following the `--container/-c` flag of the `exec` command.

- ACTION_REQUIRED

### Cluster Federation

#### [alpha] Federated Jobs

Federated Jobs that are automatically deployed to multiple clusters
are now supported. Cluster selection and weighting determine how Job
parallelism and completions are spread across clusters. Federated Job
status reflects the aggregate status across all underlying cluster
jobs.

#### [alpha] Federated Horizontal Pod Autoscaling (HPA)