openllmetry-js chore(deps-dev): bump langchain from 0.3.30 to 1.0.1 in /packages/instrumentation-langchain

Bumps langchain from 0.3.30 to 1.0.1.

Release notes

langchain==1.0.0-alpha.8

🚀 New Features

Context Editing Middleware (#9118): Added middleware for editing conversation context dynamically

Tool Call Limit Middleware (#9121): Implemented middleware to limit the number of tool calls during agent execution

Retry Model Request Hook (#9128): Added retry functionality for model requests in middleware

Call Count Tracking (#9090): Introduced call counts through private state for better monitoring and control

Custom Interrupted Tool Descriptions (#9116): Added ability to pass in a description factory for interrupted tool calls

PII Redaction Middleware (#9058): Added middleware for automatically redacting personally identifiable information

Perplexity Support: Added Perplexity provider support to universal chat model

🐛 Bug Fixes

LLM Tool Selector Implementation (#9127): Updated implementation of LLMToolSelector middleware for improved reliability

LangGraph Integration (#9117): Fixed integration issues with LangGraph

Tool Instance Handling (#9119): Fixed tools in ModelRequest to return tool instances instead of serialized objects

TypeScript Type Inference (#9087): Exported all symbols to enable proper TypeScript type inference

Prompt Caching Immutability (#9086): Fixed PromptCachingMiddleware to return new message objects instead of modifying existing ones

Input Type Support (#9080): Improved input types to support a wider range of type definitions

Tools Node Creation (#9074): Fixed to only create tools node for client-provided tools

Planning Middleware Adjustments (#9070): Minor improvements to planning middleware behavior

Hub Prompt Schema Binding (#9057): Fixed schema binding for various types of pulled hub prompts

langchain==1.0.0-alpha.7

🚀 New Features

Todo Middleware (#9051): Added new todo middleware functionality for agent workflows

LLM Tool Selector Middleware (#9050): Implemented llmToolSelectorMiddleware (bigTool) for intelligent tool selection

Middleware Tool Definition (#9046): Middleware can now define their own tools dynamically

Dynamic Prompt Middleware (#8993): Added built-in middleware for dynamic prompt generation

Unsupported Model Behavior (#9039): Added unsupportedModelBehavior property to anthropic middleware

🐛 Bug Fixes

System Prompt Consistency (#9045): Fixed system prompt handling across all agent components

Zod Interoperability (#9029): Improved compatibility between Zod v3 and v4

Structured Output Handling (#9033): Improved structured output processing for agents

Graph Support for Jumps (#9035): Added statically typed graph support for agent jumps

Tool Configuration Naming (#9034): Renamed toolConfigs to interruptOn for clarity

LLM Property Removal (#9017): Removed llm prop from middleware agent

Message Handling: Fixed grabbing last AIMessage from list instead of just looking at last message

Memory Saver Export (#8996): Removed incorrect MemorySaver re-export

Middleware Naming (#8912): Fixed "middlewares" property naming to "middleware"

Cache Control Verification: Actually verify cache control values in usage response

Message Instance Checking (#8905): Use isInstance for message validation

📦 Dependency and Build Fixes

OpenAI Provider Dependency (#8920): Removed dependency to openai provider package (alpha.6)

Internal ESLint Package (#8770): Created internal ESLint package (alpha.6)

... (truncated)

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[!IMPORTANT] Bumps langchain version from 0.3.30 to 1.0.1 in package.json.

Dependency Update:

Bumps langchain version from 0.3.30 to 1.0.1 in package.json.

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Oct 20 '25 13:10 dependabot[bot]

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