Project preferences file "Future Option" on ISIS3 website.
Project Preference File
[Future Option] Finally the highest priority preference file is a project file. It is specified on the command line when executing ISIS applications. For example,
This allows for large batch/scripted projects to ensure all users involved in the project have the same preferences.
It is definitely true that anyone (including a mission team) can create their own Preferences files and pass them to ISIS3 applications in this manner, so I'm not sure if the "Future Option" note just needs to be deleted?