Release v0.0.218 · langchain-ai/langchain

What's Changed

Initial Streamlit callback integration doc (md) by @sfc-gh-jcarroll in #6788
Zapier update oauth support by @ralewis85 in #6780
feat (documents): add a source code loader based on AST manipulation by @cristobalcl in #6486
Added missing attribute value object by @3coins in #6849
feat: Add UnstructuredOrgModeLoader by @MthwRobinson in #6842
Zapier - Add better error messaging for 401 responses by @ralewis85 in #6840
Enhancement : Ignore deleted messages and media in WhatsAppChatLoader by @augtheo in #6839
rail_parser: Allow creation from pydantic by @irgolic in #6832
WebBaseLoader: optionally raise exception in the case of http error by @mrtj in #6823
fix pinecone delete bug by @IANTHEREAL in #6816
Adjusted OpenAI cost calculation by @neilneuwirth in #6798
add async to zapier nla tools by @mplachter in #6791
Docs/unstructured api key by @MthwRobinson in #6781
Specify utilities package in SerpAPIWrapper docstring by @jung-hunsoo in #6821
Update to the latest Psychic python library version by @Ayan-Bandyopadhyay in #6804
Web Loader: Add proxy support by @timothyasp in #6792
Create MultiQueryRetriever by @rlancemartin in #6833
Update link in apis.mdx by @shashankdeshpande in #6812
feat: Add streaming only final aiter of agent by @ninely in #6274
feat(document_loaders): add tencent cos directory and file loader by @kagawagao in #6401
feat (documents): add LarkSuite document loader by @yaohui-wyh in #6420
bump version to 218 by @hwchase17 in #6857

Full Changelog: v0.0.217...v0.0.218