langchain-anthropic==1.7.4

What moved

Changes since langchain-anthropic==1.7.3 chore(anthropic): fix integration test cassette ( #40790 ) release(anthropic): 1.7.4 ( #40786 ) fix(anthropic): add Opus 5.5 and GPT-6 profile augmentations ( #40785 ) feat(anthropic,openai): mid-conversation tool changes on SystemMessage ( #40758 )

Why it matters

Filed as a launch filing from LangChain, 2026-09-23. Tagged LLM.

On the record

• Filed from the LangChain official RSS on 2026-09-23.
• Primary source host: github.com.
• The desk does not add a second source.