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Claude Code 2.1.91

ai model1 mentions· velocity: stable

Anthropic’s Claude Code 2.1.91, released April 2, 2026, is an AI coding assistant that sparked controversy for secretly embedding Chinese user detection via steganography in its system prompt, discovered by developers in June 2026.

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How to read this: the white-ringed node is Claude Code 2.1.91. Surrounding nodes are direct relationships; the second ring is what those neighbors connect to. Edge thickness scales with source-article evidence. Click any node and choose Center graph here to walk the graph.