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Zenn (AI)Japan

Claude Code 2.1.309〜318まとめ:claude -pが黙って成功しなくなり、ultrathinkはxhighに

11.09

3 行まとめ 2026年10月22日〜11月4日の Claude Code(v2.1.309〜v2.1.318)は、claude -p の「失敗したのに exit 0」を潰す修正がいくつも入った。cron や CI で無人実行しているなら、この期間の更新がいちばん効く 対話側では、ultrathink が Opus 5.5 / Sonnet 5.5 / Haiku 5.5 / Fable 5.1…

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