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langchain-openai==1.2.0

LangChain Releases / 4/23/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

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Key Points

langchain-openai 1.2.0 has been released, bringing changes since version 1.1.16.
The update includes a feature for OpenAI integration that prevents silent streaming hangs in the ChatOpenAI component.
A CI hotfix removes the “nobenchmark” flag, likely improving test/benchmark execution behavior during continuous integration.
Development and release maintenance work includes standardizing how integration tests are invoked for partner integrations.

Changes since langchain-openai==1.1.16

release(openai): 1.2.0 (#36961)
feat(openai): prevent silent streaming hangs in ChatOpenAI (#36949)
hotfix(ci): remove nobenchmark flag (#36959)
chore(partners): standardize integration test invocation (#36958)