[Bug] Significant performance regression in multi-repository task handling since early April

Related Claude Code issues

Matched on shared title terms, labels, topic and reported release — ranked so issues with real discussion come first.

• [Bug] Significant performance degradation across all models
  Resolved 💬 1 v2.1.233 #87347
• [BUG] Unexplained token consumption spike since early April with no change in usage pattern
  Resolved 💬 6 v2.1.87 #52286
• [Bug] Significant Performance Regression in Claude Code Execution
  Resolved 💬 3 #8252
• Opus model quality regression — significant degradation starting ~April 15, 2026
  Resolved 💬 6 #49244
• [Bug] Opus model performance degradation and file handling issues after compact
  Resolved 💬 4 v2.0.76 #16099
• [Bug] Significant performance degradation in recent builds
  Resolved 💬 3 v2.1.121 #54219
• [BUG] Significant Performance Degradation in Last 2 Weeks
  Resolved 💬 3 #7683
• Significant quality degradation and inconsistent behavior since yesterday
  Open 💬 19 #17900

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