langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- test: cover cache_control passthrough on OpenRouter tool defs
- chore(openrouter): bump `openrouter` floor to 0.9.2, drop file workaround
- feat(model-profiles): plain-English summary for profile refresh PRs
- VectorStore.add_texts silently truncates texts when len(ids) < len(texts)
- merge_message_runs is O(n^2) in run length for list/content-block messages
- OpenSearchVectorSearch should support custom index settings during index creation
- fix(core)!: include multimodal blocks in `get_buffer_string` prefix format
- feat(langchain-core): forward document metadata to embedding implementations to enable multimodal providers
- Handle partials in pretty_repr()
- First-party Agent Skills support in langchain (without depending on deepagents)
- Docs
- Python not yet supported