There's only one thing I'd mention which is that version 3 changed the document model. In version 2 you could make independent files and put them anywhere. It

There's only one thing I'd mention which is that version 3 changed the document model. In version 2 you could make independent files and put them anywhere. It seems, though I may be wrong as I haven't used v3 much, that they want you to keep all your files in one central location and not have independent Soulver files.