What's Changed

• Fix async task being destroyed before cancelled by @nfcampos in https://github.com/hwchase17/langchain/pull/2787
• agent memory by @hwchase17 in https://github.com/hwchase17/langchain/pull/2792
• Harrison/gpt cache by @hwchase17 in https://github.com/hwchase17/langchain/pull/2744
• fix typo in prompt by @dev2049 in https://github.com/hwchase17/langchain/pull/2797
• Weaviate attributes and error handling by @kahkeng in https://github.com/hwchase17/langchain/pull/2800
• Improve eval chain prompt by @dev2049 in https://github.com/hwchase17/langchain/pull/2798
• Fixed k=0 bug on ConversationBufferWindowMemory by @timconnorz in https://github.com/hwchase17/langchain/pull/2796
• feat: add support for non-html in UnstructuredURLLoader by @MthwRobinson in https://github.com/hwchase17/langchain/pull/2793
• Add max_execution_time to openapi, pandas, and sql creators by @zachdj in https://github.com/hwchase17/langchain/pull/2779
• agent refactor by @hwchase17 in https://github.com/hwchase17/langchain/pull/2801
• Harrison/comet ml by @hwchase17 in https://github.com/hwchase17/langchain/pull/2799
• Return output of PythonAstREPLTool when falling back to exec() by @kulltc in https://github.com/hwchase17/langchain/pull/2780
• Update README.md by @nuhmanpk in https://github.com/hwchase17/langchain/pull/2805
• Add BiliBiliLoader to langchain.document_loaders.init.py by @liaokongVFX in https://github.com/hwchase17/langchain/pull/2826
• Fix headings in docs (ClearML and Comet) by @preeteshjain in https://github.com/hwchase17/langchain/pull/2808
• bump version to 139 by @hwchase17 in https://github.com/hwchase17/langchain/pull/2834

New Contributors

• @dev2049 made their first contribution in https://github.com/hwchase17/langchain/pull/2797
• @timconnorz made their first contribution in https://github.com/hwchase17/langchain/pull/2796
• @kulltc made their first contribution in https://github.com/hwchase17/langchain/pull/2780
• @preeteshjain made their first contribution in https://github.com/hwchase17/langchain/pull/2808

Full Changelog: https://github.com/hwchase17/langchain/compare/v0.0.138...v0.0.139