Change8

langchain-core==1.0.2

📦 langchainView on GitHub →
1 features🐛 6 fixes🔧 4 symbols

Summary

This release focuses on internal cleanup, tracing improvements, and bug fixes for Pydantic and Google GenAI integrations, while exporting UsageMetadata for better tracking.

✨ New Features

  • Exported UsageMetadata in the langchain package.

🐛 Bug Fixes

  • Filtered out injected arguments from tracing to prevent sensitive or internal data leakage.
  • Improved JSON get_format_instructions using Opik Agent Optimizer.
  • Fixed Google GenAI text block translation to v1 format.
  • Fixed PydanticOutputParser's get_format_instructions specifically for Pydantic v1 models.
  • Updated broken documentation links and references across the codebase.
  • Added emacs backup files to .gitignore.

🔧 Affected Symbols

UsageMetadataPydanticOutputParser.get_format_instructionsGoogleGenAItracing