langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- ChatAnthropic latest version 1.3.4(langchain-anthropic) streaming fails with No generation chunks were returned
- `disable_streaming="tool_calling"` crashes in streaming mode
- fix(openai): preserve temperature for gpt-5.1+ models with default reasoning_effort='none'
- Temperature dropped from responses api payload with gpt-5.2 default reasoning effort
- Allow to pass to .invoke method {messages: list[AnyMessage}
- `abatch_as_completed` does not cancel pending tasks on exception or early exit
- Add support for /responses websocket
- fix(core): cancel pending tasks in abatch_as_completed on early exit or exception
- fix(core): make schema constructors union-safe for pydantic serde
- fix(core): remove str coercion in `get_from_dict_or_env`
- Docs
- Python not yet supported