We have recently completed an install of JIRA 8.5.8 and this has been an issue since the install. I have searched forums and have seen that what we would like to do is not possible without a custom field, but I want to make certain before we do that.
We currently have about 30 users. We authenticate these users against our enterprise LDAP environment, which has approximately 60K users. When we configured LDAP in JIRA originally, all of these users were imported when we connected.
The problem we are seeing is that when you add a watcher to an issue and start typing a name, all results from our 60K LDAP show up. We would like to limit the names available in his drop down to ONLY the members of a group we define.
To reproduce this issue, go to an issue, click More, Watchers, then start typing a last name in the watcher list box. We want to limit the users that appear in the user picker to members of a group we define.