What's Changed
* feat: add support for `RetrievalQA` chains by ajndkr in https://github.com/ajndkr/fastapi-async-langchain/pull/6
Breaking Changes
- `fastapi_async_langchain.response.LangchainStreamingResponse` → `fastapi_async_langchain.responses.LLMChainStreamingResponse` for `LLMChain` chains
**Full Changelog**: https://github.com/ajndkr/fastapi-async-langchain/compare/v0.2.0...v0.3.0