Can the jurisdiction drop down list be editable to add such as Grand Lodge of Scotland (GLoS), etc?

The list itself cannot be edited at the moment. However, you can, of course, type anything into the box if what you need is not supplied.

If you want a particular jurisdiction adding, please let me know; it will be done and supplied in a future update.

New Constitutions / Affiliations / Jurisdictions will be added on a regular basis.