LangChain Unveils LangSmith Engine v2 and Suite of Agent Updates

At its Interrupt conference, LangChain announced five updates headlined by LangSmith Engine v2, an automated agent that red-teams and fixes agents before launch with automated repair verification, plus Deep Agents v0.8 and fine-tuning tools.

2026-09-24 ~ 2026-09-26 · 3 related posts

• LangSmith Engine v2 adds agent red teaming and automated fix validation — LangChain · 2026-09-24
• LangChain ships Engine v2, Managed Deep Agents v0.8 and fine-tuning at Interrupt NYC — LangChain · 2026-09-26

1 near-duplicate retellings: hwchase17