Langchain

What's Changed
* tracing improvements to docs by hwchase17 in https://github.com/hwchase17/langchain/pull/1947
* retrievers interface by hwchase17 in https://github.com/hwchase17/langchain/pull/1948
* fix import error of bs4 by timothyasp in https://github.com/hwchase17/langchain/pull/1952
* Add milvus for ecosystem by jiaoew1991 in https://github.com/hwchase17/langchain/pull/1951
* WIP: Harrison/base retriever by hwchase17 in https://github.com/hwchase17/langchain/pull/1765
* add docs for openai retriever ingest by hwchase17 in https://github.com/hwchase17/langchain/pull/1969
* bump version to 122 by hwchase17 in https://github.com/hwchase17/langchain/pull/1970

New Contributors
* jiaoew1991 made their first contribution in https://github.com/hwchase17/langchain/pull/1951

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.121...v0.0.122

What's Changed
* Fix typo in VectorStoreIndexWrapper method by ainoya in https://github.com/hwchase17/langchain/pull/1922
* hotfix by hwchase17 in https://github.com/hwchase17/langchain/pull/1928

New Contributors
* ainoya made their first contribution in https://github.com/hwchase17/langchain/pull/1922

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.120...v0.0.121

What's Changed
* principles list by hwchase17 in https://github.com/hwchase17/langchain/pull/1888
* Add PGVector collection metadata by mmmaia in https://github.com/hwchase17/langchain/pull/1887
* Fix minor bug in opensearch vector store add_texts function by kushal-ti in https://github.com/hwchase17/langchain/pull/1878
* Update how_to_guides.rst by sean-zheng-amazon in https://github.com/hwchase17/langchain/pull/1893
* extraction docs by hwchase17 in https://github.com/hwchase17/langchain/pull/1898
* Remove redundant .docx loader (closes 1716) + update how_to_guides.rst by klein-t in https://github.com/hwchase17/langchain/pull/1891
* Add metadata filter to PGVector search by mmmaia in https://github.com/hwchase17/langchain/pull/1872
* Simplify AzureChatOpenAI implementation. by ekzhu in https://github.com/hwchase17/langchain/pull/1902
* Fix tiktoken version by xingfanxia in https://github.com/hwchase17/langchain/pull/1882
* Propagate "filter" arg in Chroma similarity_search by ejdb00 in https://github.com/hwchase17/langchain/pull/1869
* feat: add drop index in redis and fix prefix generate logic by xinqiu in https://github.com/hwchase17/langchain/pull/1857
* Harrison/opensearch vectorstore by hwchase17 in https://github.com/hwchase17/langchain/pull/1907
* Harrison/figma doc loader by hwchase17 in https://github.com/hwchase17/langchain/pull/1908
* Hx23840 feat/add redisearch vectorstore by hwchase17 in https://github.com/hwchase17/langchain/pull/1909
* Add human as a tool by ekzhu in https://github.com/hwchase17/langchain/pull/1879
* human input default by hwchase17 in https://github.com/hwchase17/langchain/pull/1911
* Harrison/from methods by hwchase17 in https://github.com/hwchase17/langchain/pull/1912
* Harrison/retrieval code by hwchase17 in https://github.com/hwchase17/langchain/pull/1916
* bump version 120 by hwchase17 in https://github.com/hwchase17/langchain/pull/1918

New Contributors
* mmmaia made their first contribution in https://github.com/hwchase17/langchain/pull/1887
* kushal-ti made their first contribution in https://github.com/hwchase17/langchain/pull/1878
* sean-zheng-amazon made their first contribution in https://github.com/hwchase17/langchain/pull/1893
* xingfanxia made their first contribution in https://github.com/hwchase17/langchain/pull/1882
* ejdb00 made their first contribution in https://github.com/hwchase17/langchain/pull/1869

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.119...v0.0.120

What's Changed
* add listen api docs by hwchase17 in https://github.com/hwchase17/langchain/pull/1855
* remove key by hwchase17 in https://github.com/hwchase17/langchain/pull/1863
* Fixes the import typo in the vector db text generator notebook by anupam-tiwari in https://github.com/hwchase17/langchain/pull/1874
* [Embeddings] Add SageMaker Endpoint Embedding class by philschmid in https://github.com/hwchase17/langchain/pull/1859
* clean up sagemaker nb by hwchase17 in https://github.com/hwchase17/langchain/pull/1875
* docs: update gpt index references to LlamaIndex by DeadBranches in https://github.com/hwchase17/langchain/pull/1856
* Harrison/guarded output parser by hwchase17 in https://github.com/hwchase17/langchain/pull/1804
* bump version to 119 by hwchase17 in https://github.com/hwchase17/langchain/pull/1886

New Contributors
* anupam-tiwari made their first contribution in https://github.com/hwchase17/langchain/pull/1874
* philschmid made their first contribution in https://github.com/hwchase17/langchain/pull/1859
* DeadBranches made their first contribution in https://github.com/hwchase17/langchain/pull/1856

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.118...v0.0.119

What's Changed
* Fix typo in sqlite.ipynb by eltociear in https://github.com/hwchase17/langchain/pull/1828
* Allow passing in encoding to csv_loader by danield137 in https://github.com/hwchase17/langchain/pull/1836
* Add workaround for debugpy install issue to contrib docs. by mtucker in https://github.com/hwchase17/langchain/pull/1835
* Add podcast api tool to use NLP to search all podcasts or episodes. by wenbinf in https://github.com/hwchase17/langchain/pull/1833
* Add Qdrant to ecosystem page by simonzhow in https://github.com/hwchase17/langchain/pull/1830
* Harrison/subtitles by hwchase17 in https://github.com/hwchase17/langchain/pull/1842
* Harrison/faiss merge by hwchase17 in https://github.com/hwchase17/langchain/pull/1843
* Add setup instruction in Getting Started for Indexing by mocobeta in https://github.com/hwchase17/langchain/pull/1847
* Use regex match for bash process error output test assertion. by mtucker in https://github.com/hwchase17/langchain/pull/1837
* bump version to 118 by hwchase17 in https://github.com/hwchase17/langchain/pull/1854

New Contributors
* danield137 made their first contribution in https://github.com/hwchase17/langchain/pull/1836
* mtucker made their first contribution in https://github.com/hwchase17/langchain/pull/1835
* wenbinf made their first contribution in https://github.com/hwchase17/langchain/pull/1833
* simonzhow made their first contribution in https://github.com/hwchase17/langchain/pull/1830
* mocobeta made their first contribution in https://github.com/hwchase17/langchain/pull/1847

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.117...v0.0.118

New Contributors
* CodeJunkie01 made their first contribution in https://github.com/hwchase17/langchain/pull/1791
* bryanhelmig made their first contribution in https://github.com/hwchase17/langchain/pull/1818

**Full Changelog**: https://github.com/hwchase17/langchain/compare/v0.0.116...v0.0.117