LangSmith Trace Mode in LangSmith Studio Debugging and improving agents just got a lot smoother. With Trace Mode , you can now view your LangSmith traces directly in Studio —no more jumping between... August 15, 2025
LangGraph Dynamic tool calling in LangGraph agents Agents don’t always need the same tools at every step. With dynamic tool calling , you can now control which tools are available at different points in a... August 6, 2025
LangSmith Connect traces in LangSmith to agent deployment server logs We’ve made agentic observability even easier — you can now connect traces in LangSmith to server logs within LangSmith Deployment. When viewing a trace... July 31, 2025
v0.10.122 LangSmith Introducing Align Evals: Streamlining LLM Application Evaluation Evaluations are a key technique for improving your application — whether you’re working on a single prompt or a complex agent. Iterating on evaluators has... July 29, 2025
v0.10.111 LangSmith Keep external systems in sync with scheduled exports You can now schedule automatic exports of your LangSmith traces, without needing to set up your own infrastructure. Whether you're syncing to a data... July 25, 2025
LangSmith View agent deployment metrics in LangSmith You can now monitor your agent deployments directly from the LangSmith UI. View your deployment’s CPU & memory usage, API request latency, pending/active run... July 10, 2025
v0.10.92 LangSmith Set expiration dates on LangSmith API keys! You can now set expiration dates on LangSmith API keys! Adding expiration helps you: Learn how to set and manage API key expirations in our documentation. July 1, 2025
v0.10.90 LangSmith Create custom views when viewing evaluation results You can now create custom views to highlight important information when viewing evaluation results in LangSmith: Docs:... July 1, 2025
v0.10.79 LangSmith Run Agent Evals in LangSmith Studio Get started with evaluating your agent directly from the UI — you can now run evaluations over your agent in LangSmith Studio with no code required! Test how... June 18, 2025
v0.10.79 LangSmith Use built-in tools in LangSmith's Playground! You can now call built-in tools from OpenAI and Anthropic directly from within the LangSmith Playground. Pre-configured tools, such as web search and MCP,... June 18, 2025