LangSmith SDK v0.14.0 adds sandbox access and Claude run metadata
LangChain released langsmith-sdk v0.14.0, adding delegated LangSmith access for sandboxes on create, LangSmith-login service URLs, and Claude SDK run fields including stop_reason plus tool and response IDs. It also addresses Python runs and feedback parts by agent, fixes OTel exports, patches soupsieve ReDoS vulnerabilities, and corrects deprecation-warning migration links.
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