[Release] langchain-ai/langchain langchain-core==1.4.7: langchain-core==1.4.7

langchain-core version 1.4.7 is released with several maintenance and bug fixes. Key updates include a tornado dependency bump, fixes for Pydantic v1 support in tools/runnable, corrections to package version trace metadata, and documentation style improvements across docstrings. This is a minor patch release focused on stability and compatibility improvements.

Key Points

• •Tornado dependency updated from 6.5.5 to 6.5.6 for security and stability improvements
• •Fixed Pydantic v1 support in tools/runnable module to maintain backward compatibility
• •Corrected package version trace metadata naming to ensure accurate version tracking
• •Standardized docstring formatting by replacing double backticks with proper markdown syntax across core, langchain, langchain-classic, and partners packages
• •Patch release (1.4.7) indicates non-breaking changes and bug fixes only
• •Improvements maintain compatibility with existing implementations while enhancing internal reliability

Concepts