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About the LangChain category
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0
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487
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June 27, 2025
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How do ContextEditingMiddleware and SummarizationMiddleware interact when used together?Combining ContextEditingMiddleware + SummarizationMiddleware — execution order and behavior when both trigger?
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3
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19
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April 23, 2026
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The output content has been corrupted
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1
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11
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April 21, 2026
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Proposal: Add save_local and load_local to USearch VectorStore (Feature Parity with FAISS)
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1
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8
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April 21, 2026
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Using SQLRecordManager
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1
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11
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April 20, 2026
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What does recursionLimit actually count in createAgent? (LangChain JS)
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4
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14
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April 20, 2026
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Typing of streamed chunks?
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3
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34
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April 20, 2026
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Feature Request: Image Input support for ChatMistralAI
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1
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19
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April 19, 2026
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Langchain.schema is not available while using in python code
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4
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28
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April 19, 2026
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Multiple response formats when creating agents?
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10
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35
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April 18, 2026
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New integration: langchain-w2a — LangChain tools for W2A-enabled websites
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0
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11
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April 15, 2026
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[Feature request] YDB vector store integration
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1
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41
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April 14, 2026
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Display branch switcher button without fetching the full history of messages
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1
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36
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April 13, 2026
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Inability to Determine the Breakpoint between s1 and s2 due to Current Windowing Logic
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9
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77
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April 13, 2026
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When I call a MCP Tool using FastMCP, I am not getting Context initialized correctly
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5
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56
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April 13, 2026
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Issues and PRs in langchain-experimental have been stalled for a month
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1
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18
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April 12, 2026
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Langchain pass current timestamp to agent prompt
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25
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214
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April 20, 2026
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`Failed to use model_dump to serialize <class 'langchain_core.tools.structured.StructuredTool'> to JSON: PydanticSerializationError(Unable to serialize unknown type: <class 'pydantic._internal._model_construction.ModelMetaclass'>)`
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13
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73
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April 7, 2026
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Chat LangChain sounds like a really good thing but works terribly wrong
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2
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76
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April 3, 2026
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Tool.func typing
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3
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39
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April 3, 2026
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Architectural Help For Production Chat App
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8
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111
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March 31, 2026
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Using the useStream frontend API with custom FastAPI backend
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4
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150
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March 30, 2026
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Qwen 3.5 tool calling
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2
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229
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March 28, 2026
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Add provisioned throughput support in Google Vertex AI in JS SDK (custom headers)
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1
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156
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March 20, 2026
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Complete context compression through middleware
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2
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66
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March 19, 2026
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Token are sent at a random order when rejoin a stream with VueJS
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4
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45
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March 19, 2026
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langChain createAgent giving error in typescript
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1
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56
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March 17, 2026
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Created_at column for PostgreSaver checkpointer
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1
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33
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March 17, 2026
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How to populate stream.messages with existing thread_id history in useStream (Vue/React)?
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5
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63
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March 17, 2026
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LangGraph agent invoke returns empty content and response_metadata with Kimi-K2.5 on Azure Foundry
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10
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137
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March 17, 2026
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