What's Changed

• fix: broken link in libs/langchain README by @malandis in https://github.com/langchain-ai/langchain/pull/10920
• CONTRIBUTING.md Quick Start: focus on langchain core; clarify docs and experimental are separate by @cjcjameson in https://github.com/langchain-ai/langchain/pull/10906
• Harrison/agents structured by @hwchase17 in https://github.com/langchain-ai/langchain/pull/10911
• llm feat table revision by @baskaryan in https://github.com/langchain-ai/langchain/pull/10947
• vercel fix by @baskaryan in https://github.com/langchain-ai/langchain/pull/10951
• fix integration tests by @baskaryan in https://github.com/langchain-ai/langchain/pull/10952
• Make anthropic_api_key a secret str by @joshuasundance-swca in https://github.com/langchain-ai/langchain/pull/10724
• Fix bug in index api by @richarddwang in https://github.com/langchain-ai/langchain/pull/10614
• Remove python eval from vector sql db chain by @nfcampos in https://github.com/langchain-ai/langchain/pull/10937
• Fixes error with providers that don't have model_id by @3coins in https://github.com/langchain-ai/langchain/pull/10966
• Bagatur/vertex scheduled test by @baskaryan in https://github.com/langchain-ai/langchain/pull/10958
• fix make-coverage local invocation #10941 by @cjcjameson in https://github.com/langchain-ai/langchain/pull/10974
• redirect mrkl by @baskaryan in https://github.com/langchain-ai/langchain/pull/10979
• Support for Gradient.ai embedding by @michaelfeil in https://github.com/langchain-ai/langchain/pull/10968
• LLMRails Embedding by @anar2706 in https://github.com/langchain-ai/langchain/pull/10959
• 10674 by @deanchanter in https://github.com/langchain-ai/langchain/pull/10977
• [OpenSearch] Pass ids using from_texts and indexname in add_texts and search by @naveentatikonda in https://github.com/langchain-ai/langchain/pull/10969
• docs: add vLLM chat notebook by @mspronesti in https://github.com/langchain-ai/langchain/pull/10993
• fix ChatMessageChunk concat error by @ScottWong98 in https://github.com/langchain-ai/langchain/pull/10174
• Fix issue where requests wrapper passes auth kwarg twice by @nfcampos in https://github.com/langchain-ai/langchain/pull/11010
• bump 301 by @baskaryan in https://github.com/langchain-ai/langchain/pull/11018

New Contributors

• @richarddwang made their first contribution in https://github.com/langchain-ai/langchain/pull/10614
• @deanchanter made their first contribution in https://github.com/langchain-ai/langchain/pull/10977
• @ScottWong98 made their first contribution in https://github.com/langchain-ai/langchain/pull/10174

Full Changelog: https://github.com/langchain-ai/langchain/compare/v0.0.300...v0.0.301