[Release] langchain-ai/langchain langchain==1.3.1: langchain==1.3.1

LangChain version 1.3.1 has been released with a focus on bug fixes and stability improvements. The primary change addresses an issue with Bedrock provider aliases in summarization token checking. This patch release ensures better compatibility and reliability for users working with AWS Bedrock integration in LangChain's summarization features.

Key Points

• •LangChain 1.3.1 is a patch release following version 1.3.0
• •Primary fix: Bedrock provider aliases are now properly handled in summarization token checks
• •Improves compatibility with AWS Bedrock service integration
• •Addresses token counting accuracy for Bedrock-based summarization tasks
• •Recommended for users utilizing Bedrock providers in summarization workflows
• •Maintains backward compatibility with existing 1.3.x implementations

Workflow Diagram

Concepts