What is the main purpose of user roles in Mendix applications?

The main purpose of user roles in Mendix applications is to control access to application features and data. User roles are fundamental to managing security within an application; they define what different users can view or interact with based on their assigned roles. By setting up specific permissions tailored to each role, developers can ensure that sensitive information is protected and that users only have access to the functionalities that are necessary for their tasks. This not only enhances security but also supports better user management and organizational workflow.

In the context of the other options, data storage requirements pertain more to the architecture and database structure rather than user permissions. Monitoring application performance focuses on the operational aspects of applications, which is unrelated to the role-based access control system. Simplifying the development process is important but does not capture the essence of user roles, which specifically deal with security and user management concerns. Overall, the ability to control user access effectively is what underpins the functionality of user roles within Mendix applications.