Rethinking Critic Learning in PPO: Understanding and Mitigating Value Flattening
## Episode Summary In this episode, we cover: - **Rethinking Critic Learning in PPO: Understanding and Mitigating Value Flattening** (Hugging Face Daily) - [Read more](https://huggingface.co/papers/2609.18708) - **Fathom: Per-Query Read Depth for Sparse Decoding over Offloaded KV Caches** (Hugging Face Daily) - [Read more](https://huggingface.co/papers/2609.17652) - **Evidence-Grounded Agentic Formulation Development in an Autonomous Laboratory** (arXiv) - [Read more](http://arxiv.org/abs/2609.19099v1) - **Confidence Comes from Experience: Experiential Confidence Estimation from Reasoning to…
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