[Bug] Claude Code 2.1.9 regression: degraded code generation quality and reasoning
Status Fixed / completed
Reported on v2.1.9
Maintainer reply None cached
Activity 3 comments · opened Jan 16, 2026 · closed Jan 18, 2026
Bug Description
honestly the 2.1.9 version of CC is the worst version in months since the release of opus. idk what you changed but it is bad, it's like sonnet 3.5 in github copilot without any harness
Environment Info
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.9
- Feedback ID: 84ac5255-f220-4ec6-9255-524ddf979906
Errors
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