langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- [Security Hardening] Mitigating OWASP LLM01 Indirect Prompt Injections in Web Loaders via CSS Render-Layer Obfuscation (CWE-1427)
- core: content_blocks raises TypeError on a v0 multimodal block that carries an id
- bug(langchain): create_agent ends the loop on an invalid structured-output call when an ordinary tool call is in the same batch (no retry feedback)
- test(core): skip prompt-loading symlink tests when symlinks are unavailable
- ChatOpenRouter: max_retries=0 enables the SDK default retry policy
- v3 stream: parallel tool calls collide on the positional fallback key and one is silently dropped
- BaseLLM cache ignores per-call generation options and replays the wrong completion
- feat(openrouter,fireworks): support `response_format` on invoke and bind_tools
- Bug: MCPAdapter test fails on Windows due to strict POSIX error assertion
- feat: WalletForge x402 paid tools (fetch_markdown / normalize_text) for LangChain agents
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- Python not yet supported