LangSmith has introduced new Access Control features to help large engineering teams manage access to their resources more effectively, particularly when building LLM applications. The newly implemented Role Based Access Control (RBAC) is available for teams on the Enterprise plan, allowing administrators to assign roles such as Admin, Viewer, and Editor, which come with predefined permissions, or create custom roles with granular permissions to ensure users have only what is necessary for their tasks. This system aims to minimize vulnerabilities by restricting access to critical resources. Additionally, LangSmith has updated its API key system with two types: Personal Access Tokens, tied to individual users and reflecting their permissions, and Service Keys, which carry administrator privileges and are unaffected by organizational changes. These updates aim to streamline access management and bolster security within organizations using LangSmith.