langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- fix(core): format content blocks in `pretty_repr`
- Non-Harmony/responses-format payload from agent causes vLLM 400 (rejects output_text blocks) at gpt-oss-120b
- Add ChatAnthropicBedrock wrapper for full Anthropic SDK feature parity on AWS Bedrock
- feat(langchain-classic): add allowed_values parameter to SelfQueryRetriever
- `ollama._types.ResponseError`: `cannot unmarshal array into Go value of type api.ToolCallFunctionArguments`
- chore(text-splitters): overlap threshold introduced in `TextSplitter`
- merge_dicts() concatenates parallel tool calls during streaming
- fix: preserve thinking blocks during active turns in SummarizationMiddleware
- Ability to identify and selectively stream only `AIMessage` tokens of the final answer to user's request in `updates` stream mode.
- BaseTool cannot handle unbound functions with a "self" parameter.
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