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There's a technical challenge with outputting these values directly. `ImageField` does not store them, so the batch's `ImageField` collection does not have width and height for each image. In order to set up the batch and pass along width and height for each image, we'd need to make a network request for each image when the user clicks Invoke. It would often be cached, but this will eventually create a scaling issue and poor user experience. As a very simple workaround, users can output the batch image output into an `Image Primitive` node to access the width and height. This change is implemented by adding some simple special handling when parsing the output fields for the `image_batch` node. I'll keep this situation in mind when extending the batching system to other field types.