What's Changed

• Small changes to runnable docs by @nfcampos in https://github.com/langchain-ai/langchain/pull/11293
• Create new RunnableSerializable base class in preparation for configurable runnables by @nfcampos in https://github.com/langchain-ai/langchain/pull/11279
• Add Google GitHub Action creds file to gitignore. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11296
• Add pending deprecation warning by @eyurtsev in https://github.com/langchain-ai/langchain/pull/11133
• Make numexpr optional by @hinthornw in https://github.com/langchain-ai/langchain/pull/11049
• Bump min version of numexpr by @eyurtsev in https://github.com/langchain-ai/langchain/pull/11302
• Bedrock scheduled tests by @baskaryan in https://github.com/langchain-ai/langchain/pull/11194
• Fix closing bracket in length-based selector snippet by @olegsinavski in https://github.com/langchain-ai/langchain/pull/11294
• Fix line break in docs imports by @JoaoCarabetta in https://github.com/langchain-ai/langchain/pull/11270
• add LLMBashChain to experimental by @eyurtsev in https://github.com/langchain-ai/langchain/pull/11305
• Add .configurable_fields() and .configurable_alternatives() to expose fields of a Runnable to be configured at runtime by @nfcampos in https://github.com/langchain-ai/langchain/pull/11282
• Upgrade langchain dependency versions to resolve dependabot alerts. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11307
• Add scoring chain by @CG80499 in https://github.com/langchain-ai/langchain/pull/11123
• Make Google PaLM classes serialisable by @dqbd in https://github.com/langchain-ai/langchain/pull/11121
• Mark Vertex AI classes as serialisable by @dqbd in https://github.com/langchain-ai/langchain/pull/10484
• Adds Tavily Search API retriever by @jacoblee93 in https://github.com/langchain-ai/langchain/pull/11314
• Update clarifai.mdx by @ShorthillsAI in https://github.com/langchain-ai/langchain/pull/11318
• Pass kwargs in runnable retry by @nfcampos in https://github.com/langchain-ai/langchain/pull/11324
• Consolidate run collector. Add link helper by @hinthornw in https://github.com/langchain-ai/langchain/pull/11269
• update sec doc by @baskaryan in https://github.com/langchain-ai/langchain/pull/11336
• Remove langserve from langchain repo by @eyurtsev in https://github.com/langchain-ai/langchain/pull/11288
• Add prompt hub support for Mistral w/ Ollama by @rlancemartin in https://github.com/langchain-ai/langchain/pull/11315
• better error message on parsing errors by @hwchase17 in https://github.com/langchain-ai/langchain/pull/11342
• Fix typo in agent_structured.ipynb by @eltociear in https://github.com/langchain-ai/langchain/pull/11340
• fix get_tool_return by @hwchase17 in https://github.com/langchain-ai/langchain/pull/11346
• make llm imports optional by @hwchase17 in https://github.com/langchain-ai/langchain/pull/11237
• Add memory to sql chain by @keenborder786 in https://github.com/langchain-ai/langchain/pull/8597
• Improve type hints and interface for SQL execution functionality. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11353
• Make a copy of external data instead of mutating another object's attributes. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11349
• fallback definition by @leo-gan in https://github.com/langchain-ai/langchain/pull/10504
• Use term keyword according to the official python doc glossary by @vreyespue in https://github.com/langchain-ai/langchain/pull/11338
• add getattr case for llms.type_to_cls_dict by @efriis in https://github.com/langchain-ai/langchain/pull/11362
• Updates to Vectara Implementation by @ofermend in https://github.com/langchain-ai/langchain/pull/11366
• chore: add kotlin code splitter by @fynnfluegge in https://github.com/langchain-ai/langchain/pull/11364
• Upgrade root poetry dependencies and upgrade to poetry 1.6.1. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11343
• Upgrade CI workflows to poetry 1.6.1. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11344
• add default for async by @hwchase17 in https://github.com/langchain-ai/langchain/pull/11367
• Fix documents for RetrievalQAWithSourcesChain by @devleejb in https://github.com/langchain-ai/langchain/pull/11292
• Add 'device' to GPT4All by @serranoarevalo in https://github.com/langchain-ai/langchain/pull/11216
• Fixed exception type in py files by @ShorthillsAI in https://github.com/langchain-ai/langchain/pull/11322
• Docs: improve similarity search examples by @olegsinavski in https://github.com/langchain-ai/langchain/pull/11298
• Clarifai integration doc improvements by @isaac-chung in https://github.com/langchain-ai/langchain/pull/11251
• Wfh/eval max concurrency by @hinthornw in https://github.com/langchain-ai/langchain/pull/11368
• In ProgressBarCallback update the progress counter also when runs fin… by @nfcampos in https://github.com/langchain-ai/langchain/pull/11332
• Use parameterized queries to select SQL schemas. by @obi1kenobi in https://github.com/langchain-ai/langchain/pull/11356
• add HTMLHeaderTextSplitter by @mziru in https://github.com/langchain-ai/langchain/pull/11039
• bump 307 by @baskaryan in https://github.com/langchain-ai/langchain/pull/11380

New Contributors

• @olegsinavski made their first contribution in https://github.com/langchain-ai/langchain/pull/11294
• @JoaoCarabetta made their first contribution in https://github.com/langchain-ai/langchain/pull/11270
• @vreyespue made their first contribution in https://github.com/langchain-ai/langchain/pull/11338
• @devleejb made their first contribution in https://github.com/langchain-ai/langchain/pull/11292
• @serranoarevalo made their first contribution in https://github.com/langchain-ai/langchain/pull/11216
• @isaac-chung made their first contribution in https://github.com/langchain-ai/langchain/pull/11251
• @mziru made their first contribution in https://github.com/langchain-ai/langchain/pull/11039

Full Changelog: https://github.com/langchain-ai/langchain/compare/v0.0.306...v0.0.307