@jonas Please take a look at this if you've got the time. Personally, I don't mind rebuilding the DB, so what I'm really interested in is having Strawberry's setings in an .ini file rather than in the registry. I'm no Qt dev by any stretch of the imagination, but I believe it has a relatively simple off-the-shelf way of achieving this:
https://doc.qt.io/archives/qt-4.8/qsettings.html#details