LaunchDevelopersSeptember 9, 2026

Claude Code 2.1.266 fixes gateway sign-in regression

Version 2.1.266 restores the undocumented CLAUDE_CODE_USE_GATEWAY env var, which in 2.1.265 began forcing Cloud-gateway sign-in on its own and broke requests for setups using an API key, apiKeyHelper, or custom auth headers. No configuration change is needed.

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