[oxinabox]

> Since FastAI.jl uses Flux, and not PyTorch, functionality has to be reimplemented.

Yes, and? That is how a port is.

When FastAI for swift was a thing (is it still a thing?) it was (is?) using Swift For TensorFlow, not PyTorch. https://www.fast.ai/2019/03/06/fastai-swift/