[Bug] Degraded Response Quality Across All Models

Related Claude Code issues

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• [Bug] Degraded Claude Performance Across Models 4.8 and 5
  Open 💬 0 v2.1.220 #81451
• [Bug] Degraded response quality across Claude models: hallucinations and instruction non-compliance
  Resolved 💬 2 v2.1.128 #56469
• [BUG] Claude code quality (Opus 4.6) has degraded
  Resolved 💬 3 v2.1.92 #44401
• [BUG] Degraded performance on all AI models
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• [Bug] Degraded Model Performance or Output Quality
  Resolved 💬 3 #12146
• [Bug] Concurrent Claude Code sessions cause degraded response quality
  Resolved 💬 3 v2.1.47 #27679
• [BUG] Horribly degraded performance on all models.
  Resolved 💬 2 v2.1.92 #45899
• [Bug] Degraded Code Generation Quality with Claude Sonnet Model
  Resolved 💬 2 #8051

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