Zilliz Cloud has introduced enhanced Role-Based Access Control (RBAC) functionality, providing more nuanced RBAC capabilities to improve access management and data isolation. The updated system features two primary categories of roles - Operation Layer Roles and Data Layer Roles - catering to diverse developer requirements. In the operational layer, Zilliz Cloud has four predefined Organization and Project Roles: Organization Owner, Organization Member, Project Owner, and Project Member. Additionally, it offers three predefined Cluster Roles in the data layer: Admin, Read-Write, and Read-Only. Users can also create custom roles to fine-tune permissions for specific collections or operations. The enhanced RBAC capabilities are exemplified through real-world use cases such as cross-team collaboration in a medium-sized company and managing a RAG-based knowledge base. These features ensure effective data management, improved security, and efficient resource allocation.