LangChain Ships New Release Unifying Model Refusal Handling

LangChain released langchain-openai 1.7.4 and 1.4.9, unifying model refusal outputs into content blocks and requiring langchain-core 1.7.5+ for refusal handling.

2026-11-05 ~ 2026-11-05 · 2 related posts

• LangChain ships langchain-openai 1.7.4, refusal handling now requires langchain-core 1.7.5+ — caolonghua · 2026-11-05
• LangChain 1.4.9 ships standardized refusal content blocks, requires core 1.7.5+ — caolonghua · 2026-11-05