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LangChain fixes Gemini content merging issue, separates tool results and user messages.

The LangChain Google library update fixes content merging issues in ToolMessages and HumanMessages to prevent API errors.

1 Sept 20261 verified claims1 sources1 observations
What happened

The official source reports this update: @langchain/google@0.2.4. Patch Changes #11426 2e865ea Thanks @thushanth-bengre-langchain ! - fix: keep image/audio/video content in ToolMessages as sibling Gemini parts instead of losing it inside functionResponse.response.result JSON, and stop double-stringifying non-string tool results ( #10297 , #10439 ) #11477 9a0f244 Thanks @hntrl ! - Fix convertMessagesToGeminiContents merging a ToolMessage (functionResponse) with a following HumanMessage (text) into one user content.

Why it matters

This official update documents a development concerning @langchain/google@0.2.4. Its practical significance depends on the scope and evidence stated by the source.

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