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grep -l @rubber duck /news/*.json | wc -l → 1

Rubber Duck

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23:46
2026-06-12
letsdatascience.com
ai-agents

GitHub Improves Copilot CLI Delegation Selectivity

GitHub released a smarter subagent delegation update for Copilot CLI on June 12, 2026, reducing tool failures per session by 23% in production A/B tests. The update, available in version 1.0.42 or lat…

// co-occurs with top 7 entities
GitHub 1 GitHub Copilot CLI 1 GPT-5.4 1 Claude 1 SWE-Bench Pro 1 DevOps.com 1 Claude Opus 4.6 1