What's Changed
* rm duplicate zilliz import by baskaryan in https://github.com/langchain-ai/langchain/pull/11777
* Add graceful fallback for ES vectorstore when content field is missing by izo0x90 in https://github.com/langchain-ai/langchain/pull/11726
* Create ChatEverlyAI by david-huge in https://github.com/langchain-ai/langchain/pull/11357
* added candidate_count for Vertex models by lkuligin in https://github.com/langchain-ai/langchain/pull/11729
* fix upstash test import by baskaryan in https://github.com/langchain-ai/langchain/pull/11781
* Move EverlyAI python notebook to the right location by david-huge in https://github.com/langchain-ai/langchain/pull/11779
* GradientLLM Docs update and model_id renaming. by michaelfeil in https://github.com/langchain-ai/langchain/pull/10963
* fix recent docs integrations file loc by baskaryan in https://github.com/langchain-ai/langchain/pull/11782
* Add python,pandas,xorbits,spark agents to experimental by eyurtsev in https://github.com/langchain-ai/langchain/pull/11774
* customize rtd build by baskaryan in https://github.com/langchain-ai/langchain/pull/11797
* pipe default key by hwchase17 in https://github.com/langchain-ai/langchain/pull/11788
* use get_llm_cache and set_llm_cache by hwchase17 in https://github.com/langchain-ai/langchain/pull/11741
* bearly tool by hwchase17 in https://github.com/langchain-ai/langchain/pull/11812
* LLaMA2 SQL Chat cookbook by rlancemartin in https://github.com/langchain-ai/langchain/pull/11685
* Update multi-modal notebooks by rlancemartin in https://github.com/langchain-ai/langchain/pull/11827
* RM snippets by baskaryan in https://github.com/langchain-ai/langchain/pull/11798
* Use a less specific return type for | on Runnables by nfcampos in https://github.com/langchain-ai/langchain/pull/11762
* Add LCEL to chat model intro by baskaryan in https://github.com/langchain-ai/langchain/pull/11834
* Add LCEL to LLM intro by baskaryan in https://github.com/langchain-ai/langchain/pull/11835
* bump 315 by baskaryan in https://github.com/langchain-ai/langchain/pull/11850
New Contributors
* izo0x90 made their first contribution in https://github.com/langchain-ai/langchain/pull/11726
* david-huge made their first contribution in https://github.com/langchain-ai/langchain/pull/11357
**Full Changelog**: https://github.com/langchain-ai/langchain/compare/v0.0.314...v0.0.315