*   Only create a GCS directory object if the object does not already exist.
    *   Introduce `dynamic` constructor argument in Layer and Model, which
        should be set to `True` when using imperative control flow in the `call`
        method.
    *   Begin adding Go wrapper for C Eager API.
    *   XLA HLO graphs can be inspected with interactive_graphviz tool now.

- The `WarningHeader` feature is now GA and is unconditionally enabled. The `apiserver_requested_deprecated_apis` metric has graduated to stable status. The `WarningHeader` feature-gate is no longer operative and will be removed in v1.24. ([#100754](https://github.com/kubernetes/kubernetes/pull/100754), [@liggitt](https://github.com/liggitt)) [SIG API Machinery, Instrumentation and Testing]