Core Data is tricky to use properly to the point that I avoid it in all new projects and opt for GRDB, sqlite or json files instead. Core Data is one of the few

Core Data is tricky to use properly to the point that I avoid it in all new projects and opt for GRDB, sqlite or json files instead. Core Data is one of the few technologies that once I learned it well, I disliked it even more. Putting a half-baked, leaky abstraction on top of it really doesn’t appeal to me. It’s also best to avoid any new developer tech from Apple for about 2-3 versions.