I am trying to build an issue collector for a specific project but the Assignee field is not visible to anonymous users and is required on this project. Problem: I cannot make Assignee optional because the setting is not available for that field in this project's configuration. "Allow unassigned issues" is ON in general settings. I have some projects where Assignee is optional and at least one where it is not. The setting is available in those other projects. Why would the setting be available in some projects but not in all projects?
The project that does not show the setting was created on an earlier version of JIRA (3.5, probably). The ones that show the optional setting were created either on 4.x or 5.1. Currently running on 5.1.