TRL v1.0: Post-Training Library Built to Move with the Field

Hugging Face releases TRL v1.0, marking a shift from a research codebase to a stable library for post-training methods, now implementing over 75 methods with a stable/experimental split and semantic versioning.

From the source
We’re releasing TRL v1.0, and it marks a real shift in what TRL is.
huggingface.co

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