What's Changed

• Release 0.2.17 by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6611
• langchain[patch]: Bump vertex dep by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6613
• cohere[patch]: Do not test stream tool calls in cohere by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6617
• scripts[patch]: Use fs.rm for deleting directories by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6619
• fix(core): return conditional edge in toJSON by @dqbd in https://github.com/langchain-ai/langchainjs/pull/6628
• langchain[patch]: Update version for removal of deprecated code by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6620
• mistral[patch]: Hide secrets by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6630
• mistral[patch]: Release 0.0.29 by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6632
• core[patch]: Adds option for more verbose parsing errors by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6634
• scripts[patch]: Add spam comment filter by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6633
• core[patch]: Release 0.2.29 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6635
• langchain[patch]: Fixes bug in ReAct agent that prevents parsing error handling by @obround in https://github.com/langchain-ai/langchainjs/pull/6624
• infra[patch]: Improve speeds for spam detection script by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6636
• infra[patch]: Fix comment regex by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6637
• core[patch]: Make tool call chunk partial JSON parsing more strict by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6639
• openai[patch]: Properly dedupe system fingerprint by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6638
• openai[patch]: Release 0.2.8 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6640
• core[patch]: Prevent ConsoleCallbackHandler from throwing TypeError when logging by @benjamincburns in https://github.com/langchain-ai/langchainjs/pull/6612
• core[patch]: Release 0.2.30 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6641
• infra[patch]: Sanitize body in spam filter by @AdnaneKhan in https://github.com/langchain-ai/langchainjs/pull/6642
• docs[patch]: Update ParentDocument docs to use byte store by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6647
• docs[patch]: Update migrate_agent.ipynb -> was refering to the wrong doc link by @TimSusa in https://github.com/langchain-ai/langchainjs/pull/6651
• Fix typo in agents tutorial by @ksimons in https://github.com/langchain-ai/langchainjs/pull/6649
• feat(core): always provide message ID inferred from run ID if not present while streaming by @dqbd in https://github.com/langchain-ai/langchainjs/pull/6646
• core[patch]: Treat OpenAI message format as a message like by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6654
• core[patch]: Release 0.2.31 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6656
• api_refs[patch]: Update core redirect by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6668
• openai[patch]: Skip flaky test by @bracesproul in https://github.com/langchain-ai/langchainjs/pull/6677
• 👥 Update LangChain people data by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6669
• docs[patch]: Fix typos in Agents tutorial by @ayatnkw in https://github.com/langchain-ai/langchainjs/pull/6675
• fix(openai): Check configuration.apiKey in ChatOpenAI constructor by @ezra-chu in https://github.com/langchain-ai/langchainjs/pull/6664
• langchain[patch]: Allow custom handling of tool runtime errors in legacy agent executor by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6687
• chore(openai): Release 0.2.9 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6689
• fix(community): ElasticVectorSearch: exclude metadata filters not working due changing to term instead of terms by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6688
• Fix tiny typo in llm_chain.ipynb by @dwabyick in https://github.com/langchain-ai/langchainjs/pull/6679
• feat(anthropic): langchain-anthropic support custom create anthropic client by @rxliuli in https://github.com/langchain-ai/langchainjs/pull/6615
• chore(anthropic): Release 0.2.16 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6691
• chore: Fix top-level dependency install for node 22+ by @benjamincburns in https://github.com/langchain-ai/langchainjs/pull/6658
• chore(community): Bump pyodide dev version and allow peer installs up to current latest by @benjamincburns in https://github.com/langchain-ai/langchainjs/pull/6680
• fix(community): Add support for Bedrock cross-region inference models by @keremnalbant in https://github.com/langchain-ai/langchainjs/pull/6682
• chore(community): Release 0.2.32 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6692
• Release 0.2.18 by @jacoblee93 in https://github.com/langchain-ai/langchainjs/pull/6693

New Contributors

• @obround made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6624
• @benjamincburns made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6612
• @AdnaneKhan made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6642
• @TimSusa made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6651
• @ksimons made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6649
• @ayatnkw made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6675
• @ezra-chu made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6664
• @dwabyick made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6679
• @keremnalbant made their first contribution in https://github.com/langchain-ai/langchainjs/pull/6682

Full Changelog: https://github.com/langchain-ai/langchainjs/compare/0.2.17...0.2.18