[RLlib] Issue #21671: Handle callbacks and model metrics for `TorchPolicy` while using multi-GPU optimizers (#21697)
[RLlib] Issue #21671: Handle callbacks and model metrics for `TorchPolicy` while using multi-GPU optimizers (#21697)


ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray