[Release] langchain-ai/langchain langchain==1.3.10: langchain==1.3.10

LangChain v1.3.10 release includes dependency updates (cryptography, aiohttp, pyjwt), bug fixes for summary format and GPT model provider detection, improved test typing, and coordinated releases across related packages (OpenAI 1.4.0, Core 1.4.7, Anthropic 1.4.6). The release also features documentation updates to the README with installation and resource information.

Key Points

• •Security and stability: Cryptography bumped from 46.0.7 to 48.0.1, aiohttp updated to 3.14.1, PyJWT upgraded to 2.13.0
• •Bug fix for summary format handling in langchain core functionality
• •Provider strategy detection improved for dated GPT model snapshots (gpt-5.2/gpt-5.4)
• •Test infrastructure improvements including better typing annotations and explicit deserialization allowlists
• •Coordinated multi-package release: OpenAI 1.4.0, Core 1.4.7, and Anthropic 1.4.6 released alongside langchain 1.3.10
• •Documentation refresh with updated README covering installation and resource guidance
• •Hotfix applied to OpenAI package (1.3.2) addressing version switching issues

Workflow Diagram

Concepts