What's Changed

• ci[patch]docs[patch]: Use seperate script for CI env by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4769
• Release 0.1.28 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4772
• scripts[patch]: Release 0.0.9 by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4774
• core[patch]: Add llmOutput fields to response_metadata for single chat message generations by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4780
• core[minor]: StructuredPrompt by @nfcampos in https://github.com/langchain-ai/langchainjs/pull/4773
• core[patch]: Release 0.1.48 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4783
• docs[patch]: Add new OpenAI token usage/logprob docs by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4782
• Update integration_openai_invoke_info.ts by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4785
• cohere[patch]: fix(cohere): bump client version by @Gr33nLight in https://github.com/langchain-ai/langchainjs/pull/4786
• cohere[patch]: Release 0.0.6 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4788
• community[patch]: fix: an issue where response not stopped correctly by @lukywong in https://github.com/langchain-ai/langchainjs/pull/4776
• docs[patch]: Update integration contribution docs by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4789
• community[patch]: Add support for inner product and Euclidean distance to PGVector by @andrewnguonly in https://github.com/langchain-ai/langchainjs/pull/4781
• community[minor]: Add support for Couchbase Vector Store by @lokesh-couchbase in https://github.com/langchain-ai/langchainjs/pull/4737
• community[patch]: Release 0.0.40 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4791
• openai[patch],anthropic[patch],mistralai[patch]: Support with structured output for OpenAI function definition schema by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4792
• openai[patch]: Release 0.0.21 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4793
• mistralai[patch]: Release 0.0.14 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4794
• anthropic[minor]: fix nested object fixArrayXMLParameters by @alvarosevilla95 in https://github.com/langchain-ai/langchainjs/pull/4778
• anthropic[patch]: Release 0.1.8 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4796
• docs[patch]: Update MongoDB Atlas docs by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4800
• docs[patch]: Typo by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4801
• docs[minor]: Add google genai tab to model io & chat quickstart by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4797
• docs[patch]: Add note about mongodb in nextjs to docs by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4805
• openai[patch]: Bugfix: try catch around JSON stringify/parse when counting OpenAI function calling tokens by @davidfant in https://github.com/langchain-ai/langchainjs/pull/4799
• docs[patch]: Fix missing link to Agents Quick Start by @vaskkey in https://github.com/langchain-ai/langchainjs/pull/4804
• Docs[patch]: npm i guide issue in sql docs by @FrankenDeba in https://github.com/langchain-ai/langchainjs/pull/4810
• Add mistral as supported provider for AWS Bedrock by @jarib in https://github.com/langchain-ai/langchainjs/pull/4803
• community[minor]: feat: datastore message store by @saul-jb in https://github.com/langchain-ai/langchainjs/pull/4742
• community[minor]: Add calculator tool to community by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4817
• community[patch]: Add missing entrypoint by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4819
• openai[patch]: Release 0.0.22 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4822
• community[patch]: faat: Add ERNIE-Speed-8K, ERNIE-Speed-128K from Baidu Wenxin by @wizardAEI in https://github.com/langchain-ai/langchainjs/pull/4820
• community[patch]: Release 0.0.41 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4823
• Remove calculator from main LangChain package by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4824
• docs: adding missing dependencies to RAG documentation by @ColinEberhardt in https://github.com/langchain-ai/langchainjs/pull/4826
• [patch]: Fix scripts ordering for build by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4827
• scripts[minor]: Add retry ability to broken links by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4828
• scripts[patch]: Release 0.0.10 by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4829
• docs[patch]: Update bedrock docs with Mistral by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4830
• community[patch]: fix: zhipuai apikey double encode issue by @lukywong in https://github.com/langchain-ai/langchainjs/pull/4825
• docs[minor]: Add model selection tabs component by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4832
• docs[patch]: Update LangGraph quickstart by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4833
• core[patch]: Fix duplicated callbacks with async local storage by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4834
• core[patch]: Release 0.1.49 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4840
• redis[patch]: Escape additional metadata characters for RedisSearch metadata filtering usage by @leejona16 in https://github.com/langchain-ai/langchainjs/pull/4814
• core[patch]: Add a buidl:deps command to core build by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4841
• docs[patch]: Updates doc with node version required to build langchainjs by @rahilvora in https://github.com/langchain-ai/langchainjs/pull/4842
• mistralai[minor]: Fix throwing abort errors and add tests by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4843
• mistralai[patch]: Release 0.0.15 by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/4846
• openai[patch]: Ensure no null values are passed by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4854
• openai[patch]: 0.0.23 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4855
• Adds StreamEvents to Remote Runnable by @rahilvora in https://github.com/langchain-ai/langchainjs/pull/4860
• community[patch]: ElasticVectorSearch - fix error when no bulk operations by @telekosmos in https://github.com/langchain-ai/langchainjs/pull/4857
• community[patch]: Neo4j similaritySearchWithScore crashes on undefined by @easwee in https://github.com/langchain-ai/langchainjs/pull/4848
• core[patch]: Release 0.1.50 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4865
• mistral[minor]: integrating Mistral LLM with AgentExecutor by @marinBlobr in https://github.com/langchain-ai/langchainjs/pull/4845
• mistralai[patch]: Release 0.0.16 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4866
• community[minor]: Premai integration by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4867
• community[patch]: Release 0.0.42 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4868
• langchain[patch]: Change return type of create agent methods to be runnables by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4870
• langchain[patch]: fix: Include separator length when checking chunk size by @Dschoordsch in https://github.com/langchain-ai/langchainjs/pull/4849
• mistralai[patch]: Fix dep order by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/4871

New Contributors

• @Gr33nLight made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4786
• @vaskkey made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4804
• @FrankenDeba made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4810
• @saul-jb made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4742
• @wizardAEI made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4820
• @ColinEberhardt made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4826
• @leejona16 made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4814
• @rahilvora made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4842
• @telekosmos made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4857
• @marinBlobr made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4845
• @Dschoordsch made their first contribution in https://github.com/langchain-ai/langchainjs/pull/4849

Full Changelog: https://github.com/langchain-ai/langchainjs/compare/0.1.28...0.1.29