langchain-mistralai==1.1.4

LangChain Releases / 5/6/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical UsageModels & Research

Key Points

  • The langchain-mistralai integration was released as version 1.1.4, updating it since 1.1.3.
  • The release includes a fix for mistralai that strips non-wire keys from LangChain's ToolMessage objects.
  • This change is aimed at improving correctness in how ToolMessage data is serialized or transmitted (“wire” format).
  • The update is tracked via specific pull requests referenced in the release notes (#37191 and #37188).

Changes since langchain-mistralai==1.1.3

release(mistralai): 1.1.4 (#37191)
fix(mistralai): strip non-wire keys from ToolMessage (#37188)