[Bug] Claude Code reverted to older model version with degraded performance

Open 💬 0 comments Opened Jul 7, 2026 by sneiman

Bug Description
this is back to opus 4.8 1m and it is much better. no obfuscation, disguised instruction ignoring. clear conversation fo

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.1.202
  • Feedback ID: 0794616f-4711-4b75-9159-be009dc800b9

Errors

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