{"type": "article", "title": "Claude Fable 5.1 Just Found a Bug Four Years of Engineers Couldn’t", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/claude-fable-5-1-just-found-a-bug-four-years-of-engineers-couldnt", "original_source": "https://pub.towardsai.net/claude-fable-5-1-just-found-a-bug-four-years-of-engineers-couldnt-cc7fd9ba4ac5?source=rss----98111c9905da---4", "published": "2026-09-02T03:44:33+00:00", "accessed": "2026-09-02", "id": "claude-fable-5-1-just-found-a-bug-four-years-of-engineers-couldnt"}