[Bug] Claude Code generating non-American English spellings in code output

Status Open
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Aug 7, 2026

<img width="1408" height="881" alt="Image" src="https://github.com/user-attachments/assets/806d1a83-c438-459b-a530-63b1c6d0353d" />

Bug Description
claude code drifted and started using words that are not american english, specifically "colour".

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.220
  • Feedback ID: deeeb3a0-6622-4193-bd37-1a7171b0767f

Errors

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