The Studio has introduced significant updates to its roles and permissions controls, allowing for more granular access management. The new features include the addition of a Graph Admin role, which can manage individual graphs but not organization settings or users, as well as graph-level roles that override organization-wide roles for specific graphs. Additionally, graphs can be marked hidden from other members by default, API keys can be assigned roles, and variants in graphs can be protected to limit mutations to only admin-level users or keys. These updates aim to provide more control over access and protection of Studio accounts as organizations evolve.