LangChain LangChain MCP Adapters 0.2.0 LangChain MCP Adapters 0.2.0 is live. This release brings quality-of-life upgrades for anyone building with MCP tools in LangChain: Multimodal tool support... December 9, 2025
v0.12.61 LangSmith Unified cost tracking for LLMs, tools, retrieval We’ve added full-stack cost tracking to LangSmith to make it easier to understand and monitor spend across complex agent applications. LangSmith now... December 2, 2025
LangChain LangChain 1.1 LangChain v1.1.0 is now available This release makes agent development more reliable, more structured, and more context-aware — powered by a new... December 2, 2025
Sandboxes for Deep Agents We’ve added full support for executing DeepAgent code inside remote sandboxes — providing safe, isolated, reproducible environments for complex agent... November 30, 2025
v0.12.43 LangSmith Okta SCIM + SSO Integration LangSmith is now live on the Okta Integration Network (OIN). Enterprise teams that use Okta can now: This makes it much simpler to centralize access... November 17, 2025
LangSmith No Code Agent Builder in LangSmith, now in private preview We're expanding who can build agents beyond developers with LangSmith Agent Builder— a no-code agent-building experience now in private preview. Build real... October 29, 2025
`deepagents` 0.2 release for more autonomous agents deepagents is our agent harness for building autonomous, long-running agents that tackle complex, open-ended tasks over extended time horizons. Our 0.2... October 28, 2025
LangSmith Discover patterns in production traces with the Insights Agent Traces contain valuable signal about an agent's capabilities and how users engage with it. Insights Agent helps you find signal into your traces by analyzing... October 23, 2025
LangSmith Self-Hosted LangSmith Self-Hosted v0.12 This release includes improvements to evaluations: online multi-turn evaluations, composite feedback scores and JavaScript code evals. It also includes... October 23, 2025
v0.12.7 LangSmith Evaluate end-to-end agent interactions with Multi-turn Evals Today, we're launching Multi-turn Evals to help you measure how your agent is performing across an entire end-to-end interaction. Multi-turn evals are online... October 23, 2025
