{"type": "article", "title": "Mechanistic origins of catastrophic forgetting: why RL preserves circuits better than SFT?", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/mechanistic-origins-of-catastrophic-forgetting-why-rl-preserves-circuits-better", "original_source": "https://arxiv.org/abs/2605.28860", "published": "2026-05-29T04:00:00+00:00", "accessed": "2026-07-16", "id": "mechanistic-origins-of-catastrophic-forgetting-why-rl-preserves-circuits-better"}