July 2026: Implemented cross-language API naming cleanup, released a JS SDK update, and refreshed documentation to align with the new evaluator naming and async usage patterns. Result: clearer public API surface, backward compatibility preserved, improved async guidance for Python/TypeScript, and a stable release cycle.

June 2026: Delivered foundational LangSmith SDK enhancements across Python and JavaScript, improving API coverage, type safety, and release readiness for customers. Implemented online evaluators exposure via a generated OpenAPI client with CRUD, added Python async support, and expanded tests. Fixed TypeScript declaration issues in the JS SDK and introduced regression protections. Added a do_not_extend_trace_retention option for feedback in both Python and JS clients, enabling customers to control retention behavior. Performed coordinated version bumps across Python and JS SDKs and expanded test coverage to validate end-to-end scenarios. Result: faster integration, safer type checks, and clearer controls for retention with improved developer experience and business value.