LangGraph LangGraph 1.0 is now generally available LangGraph 1.0 is the first stable major release in the durable agent framework space —a major milestone for production-ready AI systems. After more than a... October 22, 2025
LangChain LangChain 1.0 now generally available LangChain 1.0 is our first major stable release, marking our commitment to no breaking changes until 2.0. After three years of feedback, we've streamlined... October 22, 2025
v0.11.79 LangSmith Improved dataset creation: faster and more flexible Uploading data from an existing CSV/JSONL files is one of the easiest ways to get started with datasets and experiments. We’ve revamped the upload flow to... October 17, 2025
Product naming changes: LangSmith Deployment and LangSmith Studio We’ve updated product names across the LangSmith UI, docs, and website to make it clearer how our tools fit together. What changed You’ll see these new names... October 14, 2025
LangSmith JavaScript Code Evals for faster eval workflows JavaScript Code Evals allow you to write custom Code Evals in JavaScript in addition to Python. This gives you the flexibility to choose the language that... October 7, 2025
v0.11.51 LangSmith Composite Evaluators in LangSmith If you’re running multiple evaluators to measure different aspects of your application, it can be difficult to see the overall picture. Composite Evaluators... September 23, 2025
LangChain Middleware in LangChain 1.0 alpha Middleware in LangChain 1.0 gives you fine-grained control around the core agent loop of models + tools. It includes: Read the blog about middleware and try... September 16, 2025
v0.11.31 LangSmith Create org-scoped API keys with granular permissions You can now create org-scoped service keys and optionally, assign roles for created keys. These updates give you more control, allowing you to: Learn more... September 10, 2025
LangSmith Revision queueing in LangSmith Deployment Keep your deployments smooth and predictable. With Revision Queueing , any new revisions are automatically lined up and processed only after the current one... August 27, 2025
LangSmith Self-Hosted LangSmith Self-Hosted v0.11 This release brings customizable LangGraph Platform deployments, streamlined evaluation via Align Evals, running evals directly from Studio, and operational... August 18, 2025