LangChain OSS(@LangChain_OSS):What's new in LangChain? 🚀 🔌 Support for OpenAI's 3.0 SDK (using httpx2) ✨ Support for gemini-3.7-flash Plus a wave of core reliability fixes from external contributors: 🛠️ Tool calling & structured output: clearer errors, respect for pydantic aliases when validating tool inputs (https://t.co/27M0O5MAUm, https://t.co/Rd54vFPv7M, https://t.co/vLprs6D0Ik) 📊 Usage metadata fixes: token usage callback bugs, and cost metadata when streaming OpenRouter (https://t.co/57ronBXWt0, https://t.co/aVViSEobGj) 🧱 Content & prompt hardening: guard malformed Anthropic content blocks, and preserve non-str/non-dict items in prompt templates for content blocks (https://t.co/NL9xKsBhNv, https://t.co/Kjtvg4DmxC) Huge thanks to everyone who contributed! 🙏

LangChain OSS

@LangChain_OSS

Ship great agents fast with our open source frameworks – LangChain, LangGraph, and Deep Agents. Maintained by @LangChain.

参加 January 2026

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LangChain OSS@LangChain_OSS

2026.08.14 18:59

What's new in LangChain? 🚀 🔌 Support for OpenAI's 3.0 SDK (using httpx2) ✨ Support for gemini-3.7-flash Plus a wave of core reliability fixes from external contributors: 🛠️ Tool calling & structured output: clearer errors, respect for pydantic aliases when validating tool inputs ( 📊 Usage metadata fixes: token usage callback bugs, and cost metadata when streaming OpenRouter ( 🧱 Content & prompt hardening: guard malformed Anthropic content blocks, and preserve non-str/non-dict items in prompt templates for content blocks ( Huge thanks to everyone who contributed! 🙏