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This PR contains the following updates:
0.2.0->0.2.1Release Notes
langchain-ai/langchainjs (@langchain/openai)
### [`v0.2.1`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.2.1) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/e0e192c63a6eb52d120500f362a64063ec4b10c6...0.2.1) ##### What's Changed - Release 0.1.36 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5203](https://togithub.com/langchain-ai/langchainjs/pull/5203) - docs\[patch]: increased the free credits for firecrawl by [@nickscamara](https://togithub.com/nickscamara) in [https://github.com/langchain-ai/langchainjs/pull/5224](https://togithub.com/langchain-ai/langchainjs/pull/5224) - docs\[patch]: Add missing "s" to end of word by [@nick-w-nick](https://togithub.com/nick-w-nick) in [https://github.com/langchain-ai/langchainjs/pull/5219](https://togithub.com/langchain-ai/langchainjs/pull/5219) - all\[patch]: Deprecate and update instances of deprecated code by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5013](https://togithub.com/langchain-ai/langchainjs/pull/5013) - community\[patch]: fix: Zhipu api key expired after 3 minutes by [@jeasonnow](https://togithub.com/jeasonnow) in [https://github.com/langchain-ai/langchainjs/pull/5182](https://togithub.com/langchain-ai/langchainjs/pull/5182) - langchain\[minor]: Deprecate LLMChain, ConversationalRetrievalQAChain, RetrievalQAChain by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5225](https://togithub.com/langchain-ai/langchainjs/pull/5225) - core\[patch]: Export `mergeConfigs()` by [@andrewnguonly](https://togithub.com/andrewnguonly) in [https://github.com/langchain-ai/langchainjs/pull/5227](https://togithub.com/langchain-ai/langchainjs/pull/5227) - community\[patch]: bug-fix: manipulate data by Unint8Array by [@Dieber](https://togithub.com/Dieber) in [https://github.com/langchain-ai/langchainjs/pull/5214](https://togithub.com/langchain-ai/langchainjs/pull/5214) - core\[patch]: Bugfix: cache missed because callback `_parentRunId` passed in to cache key function (`_getSerializedCacheKeyParametersForCall`) by [@davidfant](https://togithub.com/davidfant) in [https://github.com/langchain-ai/langchainjs/pull/5205](https://togithub.com/langchain-ai/langchainjs/pull/5205) - community\[minor]: feat: QdrantTranslator for self-query retrieval by [@Anush008](https://togithub.com/Anush008) in [https://github.com/langchain-ai/langchainjs/pull/5163](https://togithub.com/langchain-ai/langchainjs/pull/5163) - core\[patch]: Release 0.1.61 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5229](https://togithub.com/langchain-ai/langchainjs/pull/5229) - docs\[patch]: feat: Update Zep Messaging and add links to Zep Cloud examples by [@paul-paliychuk](https://togithub.com/paul-paliychuk) in [https://github.com/langchain-ai/langchainjs/pull/5206](https://togithub.com/langchain-ai/langchainjs/pull/5206) - community\[patch]: Release 0.0.53 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5230](https://togithub.com/langchain-ai/langchainjs/pull/5230) - docs: remove cloudflare workers ai beta note by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/5252](https://togithub.com/langchain-ai/langchainjs/pull/5252) - groq\[patch]: Update default Groq model to Llama3 8B by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5254](https://togithub.com/langchain-ai/langchainjs/pull/5254) - groq\[patch]: Release 0.0.9 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5255](https://togithub.com/langchain-ai/langchainjs/pull/5255) - docs\[patch]: fix code snippet in retrievers/vectorstore article by [@sis0k0](https://togithub.com/sis0k0) in [https://github.com/langchain-ai/langchainjs/pull/5249](https://togithub.com/langchain-ai/langchainjs/pull/5249) - azure-openai\[patch]: fix only first embedding generated when batching enabled by [@sinedied](https://togithub.com/sinedied) in [https://github.com/langchain-ai/langchainjs/pull/5251](https://togithub.com/langchain-ai/langchainjs/pull/5251) - azure-openai\[patch]: Release 0.0.8 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5257](https://togithub.com/langchain-ai/langchainjs/pull/5257) - langchain\[patch]: Make `DynamicRunEvaluatorParams` generic by [@davidfant](https://togithub.com/davidfant) in [https://github.com/langchain-ai/langchainjs/pull/5246](https://togithub.com/langchain-ai/langchainjs/pull/5246) - Fix unclear S3Loader error message by [@Fiyin-Anne](https://togithub.com/Fiyin-Anne) in [https://github.com/langchain-ai/langchainjs/pull/5261](https://togithub.com/langchain-ai/langchainjs/pull/5261) - google-common\[patch]: remove all additionalProperties for gemini by [@jeasonnow](https://togithub.com/jeasonnow) in [https://github.com/langchain-ai/langchainjs/pull/5247](https://togithub.com/langchain-ai/langchainjs/pull/5247) - fix: correct ernie-char-8k model name by [@Penggeor](https://togithub.com/Penggeor) in [https://github.com/langchain-ai/langchainjs/pull/5244](https://togithub.com/langchain-ai/langchainjs/pull/5244) - google-common\[patch]: adding client-info by [@tanyaasharma](https://togithub.com/tanyaasharma) in [https://github.com/langchain-ai/langchainjs/pull/5103](https://togithub.com/langchain-ai/langchainjs/pull/5103) - added Browserbase loader by [@mishushakov](https://togithub.com/mishushakov) in [https://github.com/langchain-ai/langchainjs/pull/5248](https://togithub.com/langchain-ai/langchainjs/pull/5248) - community\[patch]: fix: [#4997](https://togithub.com/langchain-ai/langchainjs/issues/4997) zhipu chat model response typeError by [@jeasonnow](https://togithub.com/jeasonnow) in [https://github.com/langchain-ai/langchainjs/pull/5212](https://togithub.com/langchain-ai/langchainjs/pull/5212) - google-common \[feature]: Support JSON Mode for Gemini [#5071](https://togithub.com/langchain-ai/langchainjs/issues/5071) by [@JackFener](https://togithub.com/JackFener) in [https://github.com/langchain-ai/langchainjs/pull/5190](https://togithub.com/langchain-ai/langchainjs/pull/5190) - 👥 Update LangChain people data by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5264](https://togithub.com/langchain-ai/langchainjs/pull/5264) - google\[patch]: Release 0.0.12 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5267](https://togithub.com/langchain-ai/langchainjs/pull/5267) - scripts\[minor]: Fix executable by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5268](https://togithub.com/langchain-ai/langchainjs/pull/5268) - scripts\[patch]: Release 0.0.12 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5269](https://togithub.com/langchain-ai/langchainjs/pull/5269) - scripts\[patch]: Ability to add additional gitignore paths to lc config by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5270](https://togithub.com/langchain-ai/langchainjs/pull/5270) - community\[patch]: Release 0.0.54 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5276](https://togithub.com/langchain-ai/langchainjs/pull/5276) - anthropic\[patch]: Release 0.1.17 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5277](https://togithub.com/langchain-ai/langchainjs/pull/5277) - core: Avoid out-of-order runs by appending numeric execution order to… by [@nfcampos](https://togithub.com/nfcampos) in [https://github.com/langchain-ai/langchainjs/pull/5278](https://togithub.com/langchain-ai/langchainjs/pull/5278) - Add missing a comma to FirestoreChatMessageHistory example by [@osehmathias](https://togithub.com/osehmathias) in [https://github.com/langchain-ai/langchainjs/pull/5279](https://togithub.com/langchain-ai/langchainjs/pull/5279) - Adds additional text/event-stream encodign format for streamEvents by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5234](https://togithub.com/langchain-ai/langchainjs/pull/5234) - fix(doc): Firecrawl package issue by [@gkhngyk](https://togithub.com/gkhngyk) in [https://github.com/langchain-ai/langchainjs/pull/5284](https://togithub.com/langchain-ai/langchainjs/pull/5284) - community\[patch]: fix Azure AI search delete and improve documentation by [@sinedied](https://togithub.com/sinedied) in [https://github.com/langchain-ai/langchainjs/pull/5272](https://togithub.com/langchain-ai/langchainjs/pull/5272) - fix handling of multibyte characters in streams for google-gauth by [@pokutuna](https://togithub.com/pokutuna) in [https://github.com/langchain-ai/langchainjs/pull/5286](https://togithub.com/langchain-ai/langchainjs/pull/5286) - google-gauth\[patch]google-vertexai\[patch]: Release 0.0.13 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5293](https://togithub.com/langchain-ai/langchainjs/pull/5293) - community\[minor]: Add stack exchange tool by [@tolares](https://togithub.com/tolares) in [https://github.com/langchain-ai/langchainjs/pull/5162](https://togithub.com/langchain-ai/langchainjs/pull/5162) - core\[patch]: Release 0.1.62 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5295](https://togithub.com/langchain-ai/langchainjs/pull/5295) - community\[patch]: Release 0.0.55 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5296](https://togithub.com/langchain-ai/langchainjs/pull/5296) - docs\[patch]: Move code block loader .js file into ./scripts by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5297](https://togithub.com/langchain-ai/langchainjs/pull/5297) - google-common\[patch]: Add authOptions to lc_secrets by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5300](https://togithub.com/langchain-ai/langchainjs/pull/5300) - google\[patch]: Release 0.0.14 0.0.13 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5301](https://togithub.com/langchain-ai/langchainjs/pull/5301) - qdrant\[major]: Add `@langchain/qdrant` Package by [@Anush008](https://togithub.com/Anush008) in [https://github.com/langchain-ai/langchainjs/pull/5302](https://togithub.com/langchain-ai/langchainjs/pull/5302) - qdrant\[patch]: Release 0.0.1 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5312](https://togithub.com/langchain-ai/langchainjs/pull/5312) - docs\[patch]: Fix code block loader linking by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5311](https://togithub.com/langchain-ai/langchainjs/pull/5311) - scripts\[patch]: Fix check broken links script bug by [@JuHyung-Son](https://togithub.com/JuHyung-Son) in [https://github.com/langchain-ai/langchainjs/pull/5307](https://togithub.com/langchain-ai/langchainjs/pull/5307) - qdrant\[patch]: Added README.md by [@Anush008](https://togithub.com/Anush008) in [https://github.com/langchain-ai/langchainjs/pull/5313](https://togithub.com/langchain-ai/langchainjs/pull/5313) - qdrant\[patch]: Release 0.0.2 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5315](https://togithub.com/langchain-ai/langchainjs/pull/5315) - langchain\[patch]: Dont load empty strings UnstructuredLoader by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5318](https://togithub.com/langchain-ai/langchainjs/pull/5318) - community\[patch]: prisma vectorStore support not in operator by [@jeasonnow](https://togithub.com/jeasonnow) in [https://github.com/langchain-ai/langchainjs/pull/5325](https://togithub.com/langchain-ai/langchainjs/pull/5325) - community\[patch]: Add grammar support for node-llama-cpp LLM by [@Shaydesh](https://togithub.com/Shaydesh) in [https://github.com/langchain-ai/langchainjs/pull/5310](https://togithub.com/langchain-ai/langchainjs/pull/5310) - community\[patch]: Astra updates by [@mfortman11](https://togithub.com/mfortman11) in [https://github.com/langchain-ai/langchainjs/pull/5218](https://togithub.com/langchain-ai/langchainjs/pull/5218) - community\[patch]: Index name column of collection pgvectorstore by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5333](https://togithub.com/langchain-ai/langchainjs/pull/5333) - Release 0.1.37 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5334](https://togithub.com/langchain-ai/langchainjs/pull/5334) - community\[patch]: Release 0.0.56 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5335](https://togithub.com/langchain-ai/langchainjs/pull/5335) - langchain\[patch]: Fix passing run configs through in AgentExecutor by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5338](https://togithub.com/langchain-ai/langchainjs/pull/5338) - core\[minor]: RunnableLambda should consume (async) iterator if the wrapped function returns one by [@nfcampos](https://togithub.com/nfcampos) in [https://github.com/langchain-ai/langchainjs/pull/5342](https://togithub.com/langchain-ai/langchainjs/pull/5342) - docs\[minor]: 0.1 support by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5343](https://togithub.com/langchain-ai/langchainjs/pull/5343) - community\[minor]: Improve Azure Cosmos DB vector store support by [@sinedied](https://togithub.com/sinedied) in [https://github.com/langchain-ai/langchainjs/pull/5197](https://togithub.com/langchain-ai/langchainjs/pull/5197) - Revert "Merge branch 'v0.1' into main" by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5345](https://togithub.com/langchain-ai/langchainjs/pull/5345) - langchain\[major],community\[major],core\[minor]: LangChain 0.2 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5204](https://togithub.com/langchain-ai/langchainjs/pull/5204) - langchain\[patch]: Remove outdated test by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5347](https://togithub.com/langchain-ai/langchainjs/pull/5347) - Add MLC Web-LLM Integration by [@Adrastopoulos](https://togithub.com/Adrastopoulos) in [https://github.com/langchain-ai/langchainjs/pull/5243](https://togithub.com/langchain-ai/langchainjs/pull/5243) - docs\[major]: 0.2 Docs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5319](https://togithub.com/langchain-ai/langchainjs/pull/5319) - openai\[minor]: Update OpenAI with Azure Specific Code by [@sarangan12](https://togithub.com/sarangan12) in [https://github.com/langchain-ai/langchainjs/pull/5323](https://togithub.com/langchain-ai/langchainjs/pull/5323) - chore\[deps]: update js-tiktoken to 1.0.12 to support o200k_base by [@dqbd](https://togithub.com/dqbd) in [https://github.com/langchain-ai/langchainjs/pull/5354](https://togithub.com/langchain-ai/langchainjs/pull/5354) - docs\[patch]: Add link for creating gh issue by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5351](https://togithub.com/langchain-ai/langchainjs/pull/5351) - docs\[minor]: Add missing use cases by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5353](https://togithub.com/langchain-ai/langchainjs/pull/5353) - community\[patch]: support alibaba_tongyi stream output by [@sinajia](https://togithub.com/sinajia) in [https://github.com/langchain-ai/langchainjs/pull/5271](https://togithub.com/langchain-ai/langchainjs/pull/5271) - docs\[patch]: Qdrant partner package reference by [@Anush008](https://togithub.com/Anush008) in [https://github.com/langchain-ai/langchainjs/pull/5358](https://togithub.com/langchain-ai/langchainjs/pull/5358) - docs\[patch]: Updates Agent types doc to add Tool Calling Agent by [@rahilvora](https://togithub.com/rahilvora) in [https://github.com/langchain-ai/langchainjs/pull/5359](https://togithub.com/langchain-ai/langchainjs/pull/5359) - docs\[patch]: Add version docs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5369](https://togithub.com/langchain-ai/langchainjs/pull/5369) - docs\[patch]: Add versions sidebar by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5370](https://togithub.com/langchain-ai/langchainjs/pull/5370) - scripts\[minor]: Add new migration script by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5228](https://togithub.com/langchain-ai/langchainjs/pull/5228) - docs\[patch]: Wrap SVG paths in useBaseUrl by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5374](https://togithub.com/langchain-ai/langchainjs/pull/5374) - docs\[patch]: Update install instructions by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5372](https://togithub.com/langchain-ai/langchainjs/pull/5372) - docs\[minor] extraction tutorial by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5371](https://togithub.com/langchain-ai/langchainjs/pull/5371) - docs\[minor]: classification tutorial by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5375](https://togithub.com/langchain-ai/langchainjs/pull/5375) - docs: update to 0.2 index by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/5376](https://togithub.com/langchain-ai/langchainjs/pull/5376) - docs\[patch]: Adds LCEL how-to docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5377](https://togithub.com/langchain-ai/langchainjs/pull/5377) - core\[patch]: Adding raiseError Field to Callbacks by [@CahidArda](https://togithub.com/CahidArda) in [https://github.com/langchain-ai/langchainjs/pull/5373](https://togithub.com/langchain-ai/langchainjs/pull/5373) - docs: disable contextual search by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/5378](https://togithub.com/langchain-ai/langchainjs/pull/5378) - google-genai\[minor]: Add support for video/audio inputs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5368](https://togithub.com/langchain-ai/langchainjs/pull/5368) - all\[patch]: Loosen core dependencies by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5367](https://togithub.com/langchain-ai/langchainjs/pull/5367) - community\[patch]: Release 0.2.0-rc.0 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5384](https://togithub.com/langchain-ai/langchainjs/pull/5384) - partnet packages\[patch]: Release all by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5388](https://togithub.com/langchain-ai/langchainjs/pull/5388) - docs: feedback link in banner by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchainjs/pull/5387](https://togithub.com/langchain-ai/langchainjs/pull/5387) - anthropic\[patch]: Run formatting by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5390](https://togithub.com/langchain-ai/langchainjs/pull/5390) - docs\[patch]: update api ref base url to contain v2 subdomain by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5392](https://togithub.com/langchain-ai/langchainjs/pull/5392) - docs\[patch]: Update debugging and streaming guide content by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5395](https://togithub.com/langchain-ai/langchainjs/pull/5395) - docs\[patch]: Fix Python docs link by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5396](https://togithub.com/langchain-ai/langchainjs/pull/5396) - docs\[minor]: Delete 'old' docs folder & contents by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5394](https://togithub.com/langchain-ai/langchainjs/pull/5394) - docs\[patch]: Guide content fixes by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5400](https://togithub.com/langchain-ai/langchainjs/pull/5400) - openai\[patch]: Update default headers azure & Add Token Provider Check by [@sarangan12](https://togithub.com/sarangan12) in [https://github.com/langchain-ai/langchainjs/pull/5379](https://togithub.com/langchain-ai/langchainjs/pull/5379) - openai\[patch]: Release 0.0.31 ([#5401](https://togithub.com/langchain-ai/langchainjs/issues/5401)) by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5402](https://togithub.com/langchain-ai/langchainjs/pull/5402) - docs\[patch]: LangGraph Docs remove unused import from code examples by [@theitaliandev](https://togithub.com/theitaliandev) in [https://github.com/langchain-ai/langchainjs/pull/5391](https://togithub.com/langchain-ai/langchainjs/pull/5391) - core\[major]: Update streamEvent signature to return IterableReadableStream by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5360](https://togithub.com/langchain-ai/langchainjs/pull/5360) - docs\[patch]: Move installation doc to how tos by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5399](https://togithub.com/langchain-ai/langchainjs/pull/5399) - docs\[patch]: Add logprob docs, more updates by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5404](https://togithub.com/langchain-ai/langchainjs/pull/5404) - docs\[patch]: Add onlyWsa prop to chat model tabs, other nits by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5405](https://togithub.com/langchain-ai/langchainjs/pull/5405) - docs\[minor]: Show sidebar inside how to/tutorial by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5406](https://togithub.com/langchain-ai/langchainjs/pull/5406) - docs\[patch]: fix monorepo typo by [@yoogle96](https://togithub.com/yoogle96) in [https://github.com/langchain-ai/langchainjs/pull/5411](https://togithub.com/langchain-ai/langchainjs/pull/5411) - docs\[minor]: Match py how to index page by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5414](https://togithub.com/langchain-ai/langchainjs/pull/5414) - anthropic\[minor]: Add tool_choice arg by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5416](https://togithub.com/langchain-ai/langchainjs/pull/5416) - langchain\[patch]: Add deprecation warnings to document loaders by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5419](https://togithub.com/langchain-ai/langchainjs/pull/5419) - docs\[patch]: Fix broken links by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5420](https://togithub.com/langchain-ai/langchainjs/pull/5420) - docs\[patch]: Update text splitter docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5424](https://togithub.com/langchain-ai/langchainjs/pull/5424) - docs\[minor]: Hide prev/next buttons on how to and tutorials by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5425](https://togithub.com/langchain-ai/langchainjs/pull/5425) - docs\[minor]: Log actual prompt when using prompt hub by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5423](https://togithub.com/langchain-ai/langchainjs/pull/5423) - docs\[minor]: version dropdown by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/5422](https://togithub.com/langchain-ai/langchainjs/pull/5422) - docs\[minor]: Add tools prompting docs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5431](https://togithub.com/langchain-ai/langchainjs/pull/5431) - docs\[patch]: Update API ref url in docs to v02 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5432](https://togithub.com/langchain-ai/langchainjs/pull/5432) - docs\[patch]: Update retrieval and embeddings docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5429](https://togithub.com/langchain-ai/langchainjs/pull/5429) - docs\[patch]: Replace prerequisite links component by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5430](https://togithub.com/langchain-ai/langchainjs/pull/5430) - api_refs\[minor]: Add version dropdown by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5435](https://togithub.com/langchain-ai/langchainjs/pull/5435) - core\[minor]: Unified model params for LS by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5427](https://togithub.com/langchain-ai/langchainjs/pull/5427) - docs\[patch]: Remove links to missing docs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5438](https://togithub.com/langchain-ai/langchainjs/pull/5438) - core\[patch]: Move async generator consumption code into local storage context by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5439](https://togithub.com/langchain-ai/langchainjs/pull/5439) - core\[patch]: Release 0.2.0 (next) by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5443](https://togithub.com/langchain-ai/langchainjs/pull/5443) - environment_tests\[minor],langchain\[minor]: Upgrade core dep to 0.2.0 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5444](https://togithub.com/langchain-ai/langchainjs/pull/5444) - langchain\[patch]: Release 0.2.0 (next) by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5445](https://togithub.com/langchain-ai/langchainjs/pull/5445) - community\[minor]: Bump LC and core deps to 0.2.0 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5446](https://togithub.com/langchain-ai/langchainjs/pull/5446) - community\[patch]: Release 0.2.0 (next) by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5447](https://togithub.com/langchain-ai/langchainjs/pull/5447) - [@langchain/google-genai](https://togithub.com/langchain/google-genai) \[feature]: support Google genai API version and base URL by [@sugarforever](https://togithub.com/sugarforever) in [https://github.com/langchain-ai/langchainjs/pull/5426](https://togithub.com/langchain-ai/langchainjs/pull/5426) - all\[minor]: Update partner packages core dep semver by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5448](https://togithub.com/langchain-ai/langchainjs/pull/5448) - partner packages\[patch]: Release all by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5449](https://togithub.com/langchain-ai/langchainjs/pull/5449) - google-pkgs\[patch]: Release Google packages by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5450](https://togithub.com/langchain-ai/langchainjs/pull/5450) - partner-packages\[patch]: Update core dep versions to contain single space by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5452](https://togithub.com/langchain-ai/langchainjs/pull/5452) - docs\[patch]: Fix styling by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5454](https://togithub.com/langchain-ai/langchainjs/pull/5454) - docs\[major]: Fix broken links and turn on throw on broken link by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5455](https://togithub.com/langchain-ai/langchainjs/pull/5455) - docs\[patch]: Update QA use-case docs how tos by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5453](https://togithub.com/langchain-ai/langchainjs/pull/5453) - docs\[patch]: Update QA use-case docs how tos by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5457](https://togithub.com/langchain-ai/langchainjs/pull/5457) - docs\[patch]: Update tools docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5458](https://togithub.com/langchain-ai/langchainjs/pull/5458) - core\[patch]: Fix bindTools return type by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5459](https://togithub.com/langchain-ai/langchainjs/pull/5459) - groq\[patch]: Release 0.0.12 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5461](https://togithub.com/langchain-ai/langchainjs/pull/5461) - anthropic\[patch]: Release 0.1.21 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5462](https://togithub.com/langchain-ai/langchainjs/pull/5462) - openai\[patch]: Release 0.0.33 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5463](https://togithub.com/langchain-ai/langchainjs/pull/5463) - google-common\[patch]: Release 0.0.16 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5464](https://togithub.com/langchain-ai/langchainjs/pull/5464) - mistralai\[patch]: Remove default tool call value for translated messages by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5428](https://togithub.com/langchain-ai/langchainjs/pull/5428) - mistralai\[patch]: Release 0.0.22 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5465](https://togithub.com/langchain-ai/langchainjs/pull/5465) - docs\[patch]: Adds self query docs, LCEL cheatsheet by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5466](https://togithub.com/langchain-ai/langchainjs/pull/5466) - docs\[patch]: Contributor guide, polish by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5468](https://togithub.com/langchain-ai/langchainjs/pull/5468) - docs\[patch]: Adds callback docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5469](https://togithub.com/langchain-ai/langchainjs/pull/5469) - docs\[patch]: Rename doc page by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5470](https://togithub.com/langchain-ai/langchainjs/pull/5470) - docs\[patch]: Update tutorials by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5473](https://togithub.com/langchain-ai/langchainjs/pull/5473) - community\[patch]: Neo4j metadata filtering by [@easwee](https://togithub.com/easwee) in [https://github.com/langchain-ai/langchainjs/pull/5215](https://togithub.com/langchain-ai/langchainjs/pull/5215) - google-common\[minor],google-genai\[minor]: Standardize LS params by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5486](https://togithub.com/langchain-ai/langchainjs/pull/5486) - fix\[runOnDataset]: accept custom criteria in config factory by [@dqbd](https://togithub.com/dqbd) in [https://github.com/langchain-ai/langchainjs/pull/5403](https://togithub.com/langchain-ai/langchainjs/pull/5403) - community\[minor]: Adds support for Cohere Command-R via AWS Bedrock by [@m-hamaro](https://togithub.com/m-hamaro) in [https://github.com/langchain-ai/langchainjs/pull/5336](https://togithub.com/langchain-ai/langchainjs/pull/5336) - docs\[patch]: Update output parser docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5408](https://togithub.com/langchain-ai/langchainjs/pull/5408) - all\[patch]: Ignore no unused vars eslint rule in test files by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5440](https://togithub.com/langchain-ai/langchainjs/pull/5440) - google-genai\[patch]: Fix api options which caused requests to hang by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5490](https://togithub.com/langchain-ai/langchainjs/pull/5490) - google-genai\[patch]: Release 0.0.15 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5491](https://togithub.com/langchain-ai/langchainjs/pull/5491) - docs\[patch]: update Azure documentation and deprecate [@langchain/azure-openai](https://togithub.com/langchain/azure-openai) by [@sinedied](https://togithub.com/sinedied) in [https://github.com/langchain-ai/langchainjs/pull/5477](https://togithub.com/langchain-ai/langchainjs/pull/5477) - docs\[patch]: Fix docs infinite redirect, add redirect by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5492](https://togithub.com/langchain-ai/langchainjs/pull/5492) - docs\[patch]: Replace ecosystem pages with real links by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5494](https://togithub.com/langchain-ai/langchainjs/pull/5494) - community\[minor]: updated Browserbase loader by [@mishushakov](https://togithub.com/mishushakov) in [https://github.com/langchain-ai/langchainjs/pull/5412](https://togithub.com/langchain-ai/langchainjs/pull/5412) - community\[minor]: Add Google Routes Tool by [@Luisotee](https://togithub.com/Luisotee) in [https://github.com/langchain-ai/langchainjs/pull/5329](https://togithub.com/langchain-ai/langchainjs/pull/5329) - community\[minor]: Spider Document Loader by [@WilliamEspegren](https://togithub.com/WilliamEspegren) in [https://github.com/langchain-ai/langchainjs/pull/5415](https://togithub.com/langchain-ai/langchainjs/pull/5415) - community\[minor]: feat: Layerup Security integration by [@JamsheedMistri](https://togithub.com/JamsheedMistri) in [https://github.com/langchain-ai/langchainjs/pull/4929](https://togithub.com/langchain-ai/langchainjs/pull/4929) - docs\[minor]: Unstructured MD loader doc by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5489](https://togithub.com/langchain-ai/langchainjs/pull/5489) - community\[patch]: VoyageAI embedding with input_type parameter by [@nicolas-geysse](https://togithub.com/nicolas-geysse) in [https://github.com/langchain-ai/langchainjs/pull/5493](https://togithub.com/langchain-ai/langchainjs/pull/5493) - community\[patch]: Fix build artifacts by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5496](https://togithub.com/langchain-ai/langchainjs/pull/5496) - community\[patch]: Temporary build fix by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5499](https://togithub.com/langchain-ai/langchainjs/pull/5499) - community\[patch]: Release 0.2.1 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5500](https://togithub.com/langchain-ai/langchainjs/pull/5500) - scripts\[minor]: Fix extra newlines issue, switch all packages to use workspace dep by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5498](https://togithub.com/langchain-ai/langchainjs/pull/5498) - docs\[minor]: Add AI SDK docs by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5497](https://togithub.com/langchain-ai/langchainjs/pull/5497) - docs\[patch]: Add neo4j metadata filtering docs by [@tomasonjo](https://togithub.com/tomasonjo) in [https://github.com/langchain-ai/langchainjs/pull/5502](https://togithub.com/langchain-ai/langchainjs/pull/5502) - langchain\[patch]: Add entrypoints to deprecated omit import map by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/5511](https://togithub.com/langchain-ai/langchainjs/pull/5511) - langchain\[patch]: Release 0.2.1 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/5512](https://togithub.com/langchain-ai/langchainjs/pull/5512) ##### New Contributors - [@nick-w-nick](https://togithub.com/nick-w-nick) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5219](https://togithub.com/langchain-ai/langchainjs/pull/5219) - [@jeasonnow](https://togithub.com/jeasonnow) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5182](https://togithub.com/langchain-ai/langchainjs/pull/5182) - [@Dieber](https://togithub.com/Dieber) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5214](https://togithub.com/langchain-ai/langchainjs/pull/5214) - [@paul-paliychuk](https://togithub.com/paul-paliychuk) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5206](https://togithub.com/langchain-ai/langchainjs/pull/5206) - [@sis0k0](https://togithub.com/sis0k0) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5249](https://togithub.com/langchain-ai/langchainjs/pull/5249) - [@Fiyin-Anne](https://togithub.com/Fiyin-Anne) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5261](https://togithub.com/langchain-ai/langchainjs/pull/5261) - [@Penggeor](https://togithub.com/Penggeor) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5244](https://togithub.com/langchain-ai/langchainjs/pull/5244) - [@tanyaasharma](https://togithub.com/tanyaasharma) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5103](https://togithub.com/langchain-ai/langchainjs/pull/5103) - [@JackFener](https://togithub.com/JackFener) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5190](https://togithub.com/langchain-ai/langchainjs/pull/5190) - [@osehmathias](https://togithub.com/osehmathias) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5279](https://togithub.com/langchain-ai/langchainjs/pull/5279) - [@pokutuna](https://togithub.com/pokutuna) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5286](https://togithub.com/langchain-ai/langchainjs/pull/5286) - [@tolares](https://togithub.com/tolares) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5162](https://togithub.com/langchain-ai/langchainjs/pull/5162) - [@JuHyung-Son](https://togithub.com/JuHyung-Son) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5307](https://togithub.com/langchain-ai/langchainjs/pull/5307) - [@Shaydesh](https://togithub.com/Shaydesh) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5310](https://togithub.com/langchain-ai/langchainjs/pull/5310) - [@Adrastopoulos](https://togithub.com/Adrastopoulos) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5243](https://togithub.com/langchain-ai/langchainjs/pull/5243) - [@sinajia](https://togithub.com/sinajia) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5271](https://togithub.com/langchain-ai/langchainjs/pull/5271) - [@CahidArda](https://togithub.com/CahidArda) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5373](https://togithub.com/langchain-ai/langchainjs/pull/5373) - [@theitaliandev](https://togithub.com/theitaliandev) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5391](https://togithub.com/langchain-ai/langchainjs/pull/5391) - [@yoogle96](https://togithub.com/yoogle96) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5411](https://togithub.com/langchain-ai/langchainjs/pull/5411) - [@sugarforever](https://togithub.com/sugarforever) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5426](https://togithub.com/langchain-ai/langchainjs/pull/5426) - [@m-hamaro](https://togithub.com/m-hamaro) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5336](https://togithub.com/langchain-ai/langchainjs/pull/5336) - [@Luisotee](https://togithub.com/Luisotee) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5329](https://togithub.com/langchain-ai/langchainjs/pull/5329) - [@WilliamEspegren](https://togithub.com/WilliamEspegren) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5415](https://togithub.com/langchain-ai/langchainjs/pull/5415) - [@JamsheedMistri](https://togithub.com/JamsheedMistri) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/4929](https://togithub.com/langchain-ai/langchainjs/pull/4929) - [@nicolas-geysse](https://togithub.com/nicolas-geysse) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/5493](https://togithub.com/langchain-ai/langchainjs/pull/5493) **Full Changelog**: https://github.com/langchain-ai/langchainjs/compare/0.1.36...0.2.1Configuration
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