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XProduct Update6/6/2026, 1:30:53 AM

Claude Code 2.1.166 Released

Includes 21 CLI changes to improve availability.

Claude Code 2.1.166 has been released. 21 CLI changes Highlights: • Configurable fallbackModel tries up to three fallbacks when the primary is overloaded to improve availability • Cross-session messaging drops user auth on SendMessage; receivers block permission requests to

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Claude Code 2.1.166 Released | AI Pulse