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

langchain-anthropic version 1.4.7 is a maintenance release that includes a hotfix for cassette regeneration, dependency updates (vcrpy and langsmith), documentation improvements for prompt caching middleware, and test updates for explicit deserialization allowlists. The release also includes a package version trace metadata fix across core and partner packages.

Key Points

• •Hotfix applied to regenerate cassette for Anthropic integration testing
• •Dependencies updated: vcrpy bumped from 8.1.1 to 8.2.1 and langsmith from 0.8.5 to 0.8.18
• •Documentation clarified for prompt caching middleware functionality
• •README refreshed with updated installation instructions and resources
• •Test suite updated to support explicit deserialization allowlists in core and langchain
• •Package version trace metadata renamed for consistency across core and partner packages
• •Maintenance release focused on stability, documentation, and dependency management

Concepts