The combination of Redmine workflows and permissions let you implement various workflow execution scenarios. This recipe will teach you how to fine-tune permissions that are related to workflows, trackers, and who can change the issue state to what.
Fine-tuning user permissions is not just about the Roles and permissions screen. Permissions relate to workflows as well. For example, Redmine let's you set up workflows in such a way that for a particular tracker (such as bug, for example), particular roles, such as Developer, can only change states from-to based upon given permissions. So, let's say that Developers are not allowed to close the issue, they can only work on the issue until it's resolved, and then only Manager can close the issue if tracker is a feature. This should not apply to the tracker type, Bug. To do this, perform the following:
Navigate to Administration | Workflows.
From the Role dropdown, choose Developer.
From the Tracker dropdown, choose...