Make format_instructions an optional argument in chat agent #2931
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This simple change allows users to fully overwrite the prompts when creating a chat agent, and optimize them for their use case. This minimal change makes the agent code much more generally useful. Previously, they could overwrite everything except for FORMAT_INSTRUCTIONS, which is essential to customization.
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Seems good to me, thanks! |
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in autoblocksai/javascript-sdk
Oct 31, 2023
[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [langchain](https://togithub.com/langchain-ai/langchainjs) | [`^0.0.165` -> `^0.0.175`](https://renovatebot.com/diffs/npm/langchain/0.0.165/0.0.175) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>langchain-ai/langchainjs (langchain)</summary> ### [`v0.0.175`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.175) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.174...0.0.175) #### What's Changed - Release 0.0.174 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3064](https://togithub.com/langchain-ai/langchainjs/pull/3064) - Adds basic critique revise cookbook by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3067](https://togithub.com/langchain-ai/langchainjs/pull/3067) - fix: calculate Milvus textlength in bytes by [@​kurtmoser](https://togithub.com/kurtmoser) in [https://github.com/langchain-ai/langchainjs/pull/3079](https://togithub.com/langchain-ai/langchainjs/pull/3079) - Add Convex integration by [@​xixixao](https://togithub.com/xixixao) in [https://github.com/langchain-ai/langchainjs/pull/2977](https://togithub.com/langchain-ai/langchainjs/pull/2977) - Make "IN-filters" possible for Vercel Postgres Metadata by [@​rbouschery](https://togithub.com/rbouschery) in [https://github.com/langchain-ai/langchainjs/pull/3040](https://togithub.com/langchain-ai/langchainjs/pull/3040) - Fix Convex typo by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3081](https://togithub.com/langchain-ai/langchainjs/pull/3081) #### New Contributors - [@​kurtmoser](https://togithub.com/kurtmoser) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3079](https://togithub.com/langchain-ai/langchainjs/pull/3079) - [@​xixixao](https://togithub.com/xixixao) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2977](https://togithub.com/langchain-ai/langchainjs/pull/2977) - [@​rbouschery](https://togithub.com/rbouschery) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3040](https://togithub.com/langchain-ai/langchainjs/pull/3040) **Full Changelog**: langchain-ai/langchainjs@0.0.174...0.0.175 ### [`v0.0.174`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.174) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.173...0.0.174) #### What's Changed - Release 0.0.173 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3054](https://togithub.com/langchain-ai/langchainjs/pull/3054) - fix: LANGCHAIN_VERBOSE=false does not turn off verbose logging. by [@​xianminx](https://togithub.com/xianminx) in [https://github.com/langchain-ai/langchainjs/pull/3057](https://togithub.com/langchain-ai/langchainjs/pull/3057) - 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[@​xianminx](https://togithub.com/xianminx) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3057](https://togithub.com/langchain-ai/langchainjs/pull/3057) - [@​mattmcgiv](https://togithub.com/mattmcgiv) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3060](https://togithub.com/langchain-ai/langchainjs/pull/3060) **Full Changelog**: langchain-ai/langchainjs@0.0.173...0.0.174 ### [`v0.0.173`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.173) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.172...0.0.173) #### What's Changed - Release 0.0.172 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3030](https://togithub.com/langchain-ai/langchainjs/pull/3030) - feat: base storage docs by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2984](https://togithub.com/langchain-ai/langchainjs/pull/2984) - Refactor docs, add Scrimba course by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3032](https://togithub.com/langchain-ai/langchainjs/pull/3032) - Hide storage docs for now by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3034](https://togithub.com/langchain-ai/langchainjs/pull/3034) - Update broken link on SerpApi documentation by [@​hilmanski](https://togithub.com/hilmanski) in [https://github.com/langchain-ai/langchainjs/pull/3033](https://togithub.com/langchain-ai/langchainjs/pull/3033) - Fix broken docs links by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3035](https://togithub.com/langchain-ai/langchainjs/pull/3035) - feat: added openai functions output parser class by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/3029](https://togithub.com/langchain-ai/langchainjs/pull/3029) - 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feat: rag fusion notebook by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/3051](https://togithub.com/langchain-ai/langchainjs/pull/3051) #### New Contributors - [@​hilmanski](https://togithub.com/hilmanski) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3033](https://togithub.com/langchain-ai/langchainjs/pull/3033) - [@​mieslep](https://togithub.com/mieslep) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3043](https://togithub.com/langchain-ai/langchainjs/pull/3043) **Full Changelog**: langchain-ai/langchainjs@0.0.172...0.0.173 ### [`v0.0.172`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.172) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.171...0.0.172) #### What's Changed - Release 0.0.171 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3019](https://togithub.com/langchain-ai/langchainjs/pull/3019) - Avoid hardcoding embedding size to OpenAI dimensions in Qdrant client by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3024](https://togithub.com/langchain-ai/langchainjs/pull/3024) - Remove more hard-coded values by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3025](https://togithub.com/langchain-ai/langchainjs/pull/3025) - feat: added react output parser and tests by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/3020](https://togithub.com/langchain-ai/langchainjs/pull/3020) - Feat: generic file system kv store by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/3013](https://togithub.com/langchain-ai/langchainjs/pull/3013) - Respect organization in OpenAIEmbeddings by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/3028](https://togithub.com/langchain-ai/langchainjs/pull/3028) **Full Changelog**: langchain-ai/langchainjs@0.0.171...0.0.172 ### [`v0.0.171`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.171) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.170...0.0.171) #### What's Changed - Release 0.0.170 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2996](https://togithub.com/langchain-ai/langchainjs/pull/2996) - fix: updated title of docs and file name by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2997](https://togithub.com/langchain-ai/langchainjs/pull/2997) - Chore/neo4j security note by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2998](https://togithub.com/langchain-ai/langchainjs/pull/2998) - IterableReadableStream.fromReadableStream reader releaseLock by [@​AIXGEEK](https://togithub.com/AIXGEEK) in [https://github.com/langchain-ai/langchainjs/pull/3003](https://togithub.com/langchain-ai/langchainjs/pull/3003) - Ensure shell expansions are quoted in docs workflows. by [@​obi1kenobi](https://togithub.com/obi1kenobi) in [https://github.com/langchain-ai/langchainjs/pull/3014](https://togithub.com/langchain-ai/langchainjs/pull/3014) - 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[@​hemanth](https://togithub.com/hemanth) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3008](https://togithub.com/langchain-ai/langchainjs/pull/3008) - [@​DennisKo](https://togithub.com/DennisKo) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/3010](https://togithub.com/langchain-ai/langchainjs/pull/3010) **Full Changelog**: langchain-ai/langchainjs@0.0.170...0.0.171 ### [`v0.0.170`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.170) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.169...0.0.170) ##### What's Changed - Release 0.0.169 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2971](https://togithub.com/langchain-ai/langchainjs/pull/2971) - fix: show voe notebook in docs by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2973](https://togithub.com/langchain-ai/langchainjs/pull/2973) - Revert "fix: show voe notebook in docs" by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2974](https://togithub.com/langchain-ai/langchainjs/pull/2974) - fix: wildcard suffix for yielding keys by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2980](https://togithub.com/langchain-ai/langchainjs/pull/2980) - Feat/security notice openapi by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2959](https://togithub.com/langchain-ai/langchainjs/pull/2959) - feat: SQL chain security disclaimers to documentation & JSDoc by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2962](https://togithub.com/langchain-ai/langchainjs/pull/2962) - fix: update links to langchain org by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2983](https://togithub.com/langchain-ai/langchainjs/pull/2983) - 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Get transcript text by ID in AssemblyAI by [@​Swimburger](https://togithub.com/Swimburger) in [https://github.com/langchain-ai/langchainjs/pull/2582](https://togithub.com/langchain-ai/langchainjs/pull/2582) ##### New Contributors - [@​devinburnette](https://togithub.com/devinburnette) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2949](https://togithub.com/langchain-ai/langchainjs/pull/2949) **Full Changelog**: langchain-ai/langchainjs@0.0.169...0.0.170 ### [`v0.0.169`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.169) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.168...0.0.169) ##### What's Changed - Release 0.0.168 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2950](https://togithub.com/langchain-ai/langchainjs/pull/2950) - Add build + docs deploy step in GHA by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2957](https://togithub.com/langchain-ai/langchainjs/pull/2957) - Fixed typo in documentation by [@​tsensei](https://togithub.com/tsensei) in [https://github.com/langchain-ai/langchainjs/pull/2952](https://togithub.com/langchain-ai/langchainjs/pull/2952) - Feat: general security doc by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2958](https://togithub.com/langchain-ai/langchainjs/pull/2958) - zep: Add native MMR to Zep Retriever by [@​danielchalef](https://togithub.com/danielchalef) in [https://github.com/langchain-ai/langchainjs/pull/2955](https://togithub.com/langchain-ai/langchainjs/pull/2955) - add delete for faiss by [@​ewfian](https://togithub.com/ewfian) in [https://github.com/langchain-ai/langchainjs/pull/2924](https://togithub.com/langchain-ai/langchainjs/pull/2924) - Weaviate - throw error if storing vectors fails by [@​the-powerpointer](https://togithub.com/the-powerpointer) in [https://github.com/langchain-ai/langchainjs/pull/2942](https://togithub.com/langchain-ai/langchainjs/pull/2942) - Add missing CI action env by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2965](https://togithub.com/langchain-ai/langchainjs/pull/2965) - LLMonitor Callback Handler: fix tracking users on agents by [@​vincelwt](https://togithub.com/vincelwt) in [https://github.com/langchain-ai/langchainjs/pull/2941](https://togithub.com/langchain-ai/langchainjs/pull/2941) - Add YandexGPT Chat model by [@​tyumentsev4](https://togithub.com/tyumentsev4) in [https://github.com/langchain-ai/langchainjs/pull/2930](https://togithub.com/langchain-ai/langchainjs/pull/2930) - Remove preview deploy for now by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2968](https://togithub.com/langchain-ai/langchainjs/pull/2968) - Feat: violations of expectations chain by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2945](https://togithub.com/langchain-ai/langchainjs/pull/2945) - Adds base URL support for Cloudflare WorkersAI by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2970](https://togithub.com/langchain-ai/langchainjs/pull/2970) ##### New Contributors - [@​tsensei](https://togithub.com/tsensei) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2952](https://togithub.com/langchain-ai/langchainjs/pull/2952) **Full Changelog**: langchain-ai/langchainjs@0.0.168...0.0.169 ### [`v0.0.168`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.168) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.167...0.0.168) #### What's Changed - Release 0.0.167 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2916](https://togithub.com/langchain-ai/langchainjs/pull/2916) - Mark the docs scripts files as executable. by [@​obi1kenobi](https://togithub.com/obi1kenobi) in [https://github.com/langchain-ai/langchainjs/pull/2932](https://togithub.com/langchain-ai/langchainjs/pull/2932) - Add more memory to linter by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2934](https://togithub.com/langchain-ai/langchainjs/pull/2934) - Update repo path to point to `langchain-ai` GitHub org. by [@​obi1kenobi](https://togithub.com/obi1kenobi) in [https://github.com/langchain-ai/langchainjs/pull/2933](https://togithub.com/langchain-ai/langchainjs/pull/2933) - fix: update llm_streaming_stream_method.ts doc by [@​cjbt](https://togithub.com/cjbt) in [https://github.com/langchain-ai/langchainjs/pull/2929](https://togithub.com/langchain-ai/langchainjs/pull/2929) - Make format_instructions an optional argument in chat agent by [@​EKMeyerson](https://togithub.com/EKMeyerson) in [https://github.com/langchain-ai/langchainjs/pull/2931](https://togithub.com/langchain-ai/langchainjs/pull/2931) - Update graph_db_custom_prompt.ts by [@​tomasonjo](https://togithub.com/tomasonjo) in [https://github.com/langchain-ai/langchainjs/pull/2920](https://togithub.com/langchain-ai/langchainjs/pull/2920) - Simplify docs structure, remove skeleton by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2935](https://togithub.com/langchain-ai/langchainjs/pull/2935) - Run build in series by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2936](https://togithub.com/langchain-ai/langchainjs/pull/2936) - Remove snippets by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2937](https://togithub.com/langchain-ai/langchainjs/pull/2937) - Use SWC to generate AST by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2939](https://togithub.com/langchain-ai/langchainjs/pull/2939) - WIP: add runManager.handleLLMNewToken missing call by [@​ivoneijr](https://togithub.com/ivoneijr) in [https://github.com/langchain-ai/langchainjs/pull/2910](https://togithub.com/langchain-ai/langchainjs/pull/2910) - Run exports tests in parallel on GitHub CI. by [@​obi1kenobi](https://togithub.com/obi1kenobi) in [https://github.com/langchain-ai/langchainjs/pull/2944](https://togithub.com/langchain-ai/langchainjs/pull/2944) - feat: add CloseVector as VectorStore provider by [@​jo32](https://togithub.com/jo32) in [https://github.com/langchain-ai/langchainjs/pull/2832](https://togithub.com/langchain-ai/langchainjs/pull/2832) - Feature: Add Fake integration support to match Python library by [@​frankolson](https://togithub.com/frankolson) in [https://github.com/langchain-ai/langchainjs/pull/2928](https://togithub.com/langchain-ai/langchainjs/pull/2928) - Adds Cloudflare Workers AI LLM and chat model by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2923](https://togithub.com/langchain-ai/langchainjs/pull/2923) #### New Contributors - [@​cjbt](https://togithub.com/cjbt) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2929](https://togithub.com/langchain-ai/langchainjs/pull/2929) - [@​EKMeyerson](https://togithub.com/EKMeyerson) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2931](https://togithub.com/langchain-ai/langchainjs/pull/2931) - [@​jo32](https://togithub.com/jo32) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2832](https://togithub.com/langchain-ai/langchainjs/pull/2832) - [@​frankolson](https://togithub.com/frankolson) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2928](https://togithub.com/langchain-ai/langchainjs/pull/2928) **Full Changelog**: langchain-ai/langchainjs@0.0.167...0.0.168 ### [`v0.0.167`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.167) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.166...0.0.167) #### What's Changed - Release 0.0.166 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2894](https://togithub.com/langchain-ai/langchainjs/pull/2894) - elasticsearch: customize user-agent for es client by [@​TattdCodeMonkey](https://togithub.com/TattdCodeMonkey) in [https://github.com/langchain-ai/langchainjs/pull/2897](https://togithub.com/langchain-ai/langchainjs/pull/2897) - Chore: update SQL popular chain docs to use runnables by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2877](https://togithub.com/langchain-ai/langchainjs/pull/2877) - fix: hide from sidebar by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2909](https://togithub.com/langchain-ai/langchainjs/pull/2909) - Chore: conversational QA docs to use Runnables by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2890](https://togithub.com/langchain-ai/langchainjs/pull/2890) - refactor: openai function calling docs by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2893](https://togithub.com/langchain-ai/langchainjs/pull/2893) - chore: added why use LCEL doc by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2900](https://togithub.com/langchain-ai/langchainjs/pull/2900) - fix: batch embedding queries, fix get client in tests by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2908](https://togithub.com/langchain-ai/langchainjs/pull/2908) - Improve Cassandra vector store docs by [@​alexleventer](https://togithub.com/alexleventer) in [https://github.com/langchain-ai/langchainjs/pull/2903](https://togithub.com/langchain-ai/langchainjs/pull/2903) - feat: Add Neo4j vector store by [@​easwee](https://togithub.com/easwee) in [https://github.com/langchain-ai/langchainjs/pull/2852](https://togithub.com/langchain-ai/langchainjs/pull/2852) - Add YandexGPT LLM model by [@​tyumentsev4](https://togithub.com/tyumentsev4) in [https://github.com/langchain-ai/langchainjs/pull/2906](https://togithub.com/langchain-ai/langchainjs/pull/2906) - Allow ParentDocumentRetriever to subclass MultiVectorRetriever by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2853](https://togithub.com/langchain-ai/langchainjs/pull/2853) - Add neo4j vector index docs by [@​tomasonjo](https://togithub.com/tomasonjo) in [https://github.com/langchain-ai/langchainjs/pull/2895](https://togithub.com/langchain-ai/langchainjs/pull/2895) - Docs updates by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2915](https://togithub.com/langchain-ai/langchainjs/pull/2915) - Add Vercel KV base store by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2912](https://togithub.com/langchain-ai/langchainjs/pull/2912) #### New Contributors - [@​TattdCodeMonkey](https://togithub.com/TattdCodeMonkey) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2897](https://togithub.com/langchain-ai/langchainjs/pull/2897) **Full Changelog**: langchain-ai/langchainjs@0.0.166...0.0.167 ### [`v0.0.166`](https://togithub.com/langchain-ai/langchainjs/releases/tag/0.0.166) [Compare Source](https://togithub.com/langchain-ai/langchainjs/compare/0.0.165...0.0.166) #### What's Changed - Release 0.0.165 by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2870](https://togithub.com/langchain-ai/langchainjs/pull/2870) - Update docs for model streaming by [@​jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/2887](https://togithub.com/langchain-ai/langchainjs/pull/2887) - Remote Runnables by [@​efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/2828](https://togithub.com/langchain-ai/langchainjs/pull/2828) - added force default filter option to mergeFilters by [@​valdo99](https://togithub.com/valdo99) in [https://github.com/langchain-ai/langchainjs/pull/2882](https://togithub.com/langchain-ai/langchainjs/pull/2882) - Implement max marginal relevance search for Supabase vector store by [@​carlobeltrame](https://togithub.com/carlobeltrame) in [https://github.com/langchain-ai/langchainjs/pull/2800](https://togithub.com/langchain-ai/langchainjs/pull/2800) - feat: add momento vector index as a vector store provider by [@​malandis](https://togithub.com/malandis) in [https://github.com/langchain-ai/langchainjs/pull/2851](https://togithub.com/langchain-ai/langchainjs/pull/2851) - Fix: validate input or throw when using MessagesPlaceholder by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2874](https://togithub.com/langchain-ai/langchainjs/pull/2874) - Feat: added new advanced convo qa runnables use case doc by [@​bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/2889](https://togithub.com/langchain-ai/langchainjs/pull/2889) - Unstructured API - additional props by [@​perstarkse](https://togithub.com/perstarkse) in [https://github.com/langchain-ai/langchainjs/pull/2888](https://togithub.com/langchain-ai/langchainjs/pull/2888) - Add AnthropicFunctionsBedrock by [@​efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchainjs/pull/2892](https://togithub.com/langchain-ai/langchainjs/pull/2892) #### New Contributors - [@​valdo99](https://togithub.com/valdo99) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2882](https://togithub.com/langchain-ai/langchainjs/pull/2882) - [@​carlobeltrame](https://togithub.com/carlobeltrame) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2800](https://togithub.com/langchain-ai/langchainjs/pull/2800) - [@​perstarkse](https://togithub.com/perstarkse) made their first contribution in [https://github.com/langchain-ai/langchainjs/pull/2888](https://togithub.com/langchain-ai/langchainjs/pull/2888) **Full Changelog**: langchain-ai/langchainjs@0.0.165...0.0.166 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. 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This simple change allows users to fully overwrite the prompts when creating a chat agent, and optimize them for their use case. The change makes the agent code much more generally useful. Previously, they could overwrite everything except for FORMAT_INSTRUCTIONS, which is essential to customization.