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

Status Open
Reported on v2.1.202
Maintainer reply None cached
Activity 0 comments · opened Jul 7, 2026

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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