@langchain/core@1.2.2
#11171 82bef01 Thanks @christian-bromann! - fix(core): coerce string v1 AIMessage content to text blocks
Prevent contentBlocks.push is not a function when constructing an
AIMessage with response_metadata.output_version === "v1" and string
content (common in serialized LangGraph stream payloads).
Fetched July 9, 2026
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