langchain==1.2.15

LangChain Releases / 4/3/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • LangChain version 1.2.15 was released, with changes documented as updates since v1.2.14.
  • The release includes a chore to bump aiohttp from 3.13.3 to 3.13.4 in the /libs/langchain_v1 component.
  • The only explicitly listed change is the dependency update, suggesting a maintenance-focused patch rather than a feature addition.
  • The update likely aims to improve compatibility, reliability, or security posture by pulling in the newer aiohttp release.
  • Users relying on LangChain v1.2.x should consider updating to benefit from the underlying HTTP client fixes included in aiohttp 3.13.4.

Changes since langchain==1.2.14

release: langchain v1.2.15 (#36496)
chore: bump aiohttp from 3.13.3 to 3.13.4 in /libs/langchain_v1 (#36438)