langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- fix docstring mismatch in langchain_core.utils.mustache.render and remove redundant guess_type check in Blob.from_path (resolves issue #35046 )
- fix(openai): detect codex models for responses api preference
- [Bug]: ChatOpenAI silently drops 'reasoning_content' from OpenAI-compatible providers (vLLM/DeepSeek)
- style: bump ruff version to 0.15
- fix(core): make `self` positional-only in `_run`/`_arun` to allow "self" as tool input key
- fix(openai): openai sdk validation error not surfaced in `with_structured_output`
- fix(core): handle None content in ToolMessageChunk merge
- fix(openai): exclude empty tools list from API payload
- refactor(core): delete unused static tool definitions of TodoListMiddleware
- Support for strict mode for ChatGroq
- Docs
- Python not yet supported