langchain
https://github.com/langchain-ai/langchain
Python
⚡ Building applications with LLMs through composability ⚡
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- Issues
- ChatXAI builds four fresh httpx transports per instantiation — duplicated client construction and no shared default `http_client`
- ChatPerplexity Responses route mutates the caller's `extra_body` dict in place — per-call params leak into the instance and all later requests
- Agent Performance Degradation and Infinite Reasoning Loop with enable_thinking=true
- feat(fireworks): add prompt caching middleware
- HumanInTheLoopMiddleware silently auto-approves tools whose `InterruptOnConfig` is invalid (typo'd or missing `allowed_decisions`)
- SSRF via recursive sitemap fetch in `SitemapLoader` — `restrict_to_same_domain` is not enforced on nested `<sitemap>` entries
- feat(anthropic,fireworks,openai): use LangSmith gateway keys
- feat(core): add shared gateway URL mapping
- feat(core): add gateway OAuth bearer authentication
- feat(langchain): expose provider package via `get_provider_package`
- Docs
- Python not yet supported