ComicBookLover uses CoreData and I've had to write code to migrate SQLite data stores. It's not difficult, but it's something that has to be very well tested before release! (Touchwood :)
Developers should also think about aggregating new features which affect the data model, into one release. Users probably don't want to have their data migrated with every update.
by Simon — Nov 15
Developers should also think about aggregating new features which affect the data model, into one release. Users probably don't want to have their data migrated with every update.