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 ### Frameworks
 
 * [Ray RLlib](http://rllib.io)
-* [Hugging Face Transformer Reinforcement Learning (TRL)](https://huggingface.co/docs/trl/v0.7.2/en/index) - Biased towards the needs of RLHF.
+* [Hugging Face Transformer Reinforcement Learning (TRL)](https://huggingface.co/docs/trl/) - Biased towards the needs of RLHF.
 
 ### Courses
 * [Anyscale RL & RLlib course](https://applied-rl-course.netlify.app/en)