langchain-core==1.2.21

LangChain Releases / 3/24/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

共有:

Key Points

langchain-core version 1.2.21 was released, citing changes since 1.2.20.
The update fixes core model-profiles by adding missing ModelProfile fields and warning when schemas drift.
A cleanup was made in the core package by removing a stale blockbuster allowlist tied to a deleted context module.
CI test behavior was adjusted by suppressing pytest streaming output during continuous integration runs.

Changes since langchain-core==1.2.20

release(core): 1.2.21 (#36179)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
chore(core): remove stale blockbuster allowlist for deleted context module (#36168)
ci: suppress pytest streaming output in CI (#36092)

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langchain-core==1.2.21

Key Points

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