March 2026: LangChain Newsletter

LangChain's latest updates include a new NVIDIA integration, the rebranding of Agent Builder to LangSmith Fleet, and the introduction of LangSmith Sandboxes in Private Preview, which provide secure environments for agents to run code. LangSmith Fleet now features agent identity, sharing, and permissions, as well as skills that equip agents with specialized task knowledge. The new LangGraph Deploy CLI enables seamless deployment of agents from the terminal, while Attribute-Based Access Control (ABAC) enhances resource access management. The company also released langgraph v1.1 and deepagents v0.5.0 alpha, introducing new features such as type-safe streaming and multi-modal support. LangChain is hosting workshops and events, including Interrupt 2026 in San Francisco, where industry leaders like Jensen Huang and Andrew Ng will share insights. Additionally, LangChain's collaboration with NVIDIA aims to offer a comprehensive platform for building and running production agents. Community events are taking place globally, fostering discussions around LangChain's technology stack and applications.