Hi Colin,
The standard version has not changed much and should still be OK to use.
The Scheduler version uses the Scheduler database and its structure to index your subs and to relate them to your projects, plans, observations and image sets.
This provides a much more powerful way of managing your data.
The problem is that there is a multitude of ways users use scheduler. If everyone references all the levels in their ImageFileConfig, I would not have any problems, but that sadly is not the case at all.
My previous version tried to address this, but was not successful for all users - so I am working on trying to solve this.
The help files are also outdated and I need to update.