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Claude Code Issues / #82372

[Bug] Anthropic API Error: Unexpected model downgrade on security flag

Status Closed — not planned
Reported on v2.1.207
Maintainer reply None cached
Activity 1 comment · opened Jul 29, 2026 · closed Sep 6, 2026

Bug Description
Upon asking about a regression in our codebase: 

Confrim query fallback hasn't been removed in the code

It resulted in downgrading to Opus 4.8

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.1.207
  • Feedback ID: c9965482-3fda-4b7a-8cc5-16adc43c79ff

Errors

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