Febraury 2026: LangChain Newsletter

February saw a range of updates from the LangChain team, including enhancements to the Agent Builder, such as a central chat for all tools and a unified tool registry, and the ability to schedule reports with the Insights Agent. Additionally, new features allow users to configure trace inputs and outputs and pin experiments as baselines for performance comparison. On the open-source front, `deepagents` v0.4 introduced sandboxed environments for running agents. The team also announced the LangChain Academy course on building reliable agents and shared customer success stories, such as monday.com accelerating their evaluation feedback loop by using LangSmith. Upcoming events include various community meetups and tech talks in cities like San Francisco, London, and New York, focusing on topics like agent production monitoring, harness engineering, and the future of AI agents.