[Release] langchain-ai/langchain langchain-core==1.5.2: langchain-core==1.5.2

langchain-core version 1.5.2 is a patch release that fixes a critical bug handling empty strings in gateway environment variables. The release includes routine dependency updates for setuptools and jupyterlab across the core and text-splitters libraries. This update ensures proper environment variable parsing and maintains compatibility with the latest tool versions.

Key Points

• •Fixed empty string handling in gateway environment variables (core issue #39107)
• •Upgraded setuptools from 82.0.0 to 83.0.0 in /libs/core
• •Upgraded setuptools from 80.9.0 to 83.0.0 in /libs/text-splitters
• •Updated jupyterlab from 4.5.9 to 4.5.10 in /libs/core
• •Patch release (1.5.1 → 1.5.2) indicates backward compatibility maintained
• •Focus on stability and dependency maintenance rather than new features

Concepts