{"type": "article", "title": "Rethinking Critic Learning in PPO: Understanding and Mitigating Value Flattening", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/rethinking-critic-learning-in-ppo-understanding-and-mitigating-value-flattening", "original_source": "https://aiflash.com/news/121203/", "published": "2026-09-17T08:30:26+00:00", "accessed": "2026-09-17", "id": "rethinking-critic-learning-in-ppo-understanding-and-mitigating-value-flattening"}