CORE
RepoLangChain Core is the core Python package of the LangChain framework that houses the fundamental abstractions, chains, and utilities for building large-language-model applications. It is versioned and released through the LangChain GitHub monorepo for software developers integrating LLMs into their products.
Stories
Completed digest stories linked to this service.
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LangChain OpenAI 1.1.12 and Core 1.2.21 tighten streaming, token counting, and m...2026-03-24LangChain shipped langchain-openai 1.1.12 and langchain-core 1.2.21 with fixes to streaming, token counting, a...
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Optimizer choice can make or break model retention in continual training2026-03-19A HackerNoon piece argues that your optimizer can heavily influence how much a model forgets during continual ...
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LangChain patches: Anthropic streaming, Mistral embeddings retries, Core import ...2026-03-14LangChain shipped small but meaningful updates across Core, Anthropic, and Mistral adapters that affect stream...
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LangChain Core 1.2.18: OpenAI tool search + safer tool schema defaults2026-03-10LangChain Core 1.2.18 ships a small but useful OpenAI tool search feature and a schema fix that preserves defa...
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From Workflows to Agents: A Practical Blueprint for LLM Tool-Use Loops2026-03-09The article clarifies the real difference between LLM-powered workflows and true AI agents and outlines a conc...
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2026 priority for backend/data teams: safe-by-design AI2026-02-03AI experts urge a shift to "safe by design" systems by 2026, emphasizing built‑in guardrails, monitoring, and ...
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CORE: Persistent memory and actions for coding agents via MCP2026-02-03CORE is an open-source, self-hostable memory agent that gives coding assistants persistent, contextual recall ...