Learn all about Core Data with these posts
How to handle persistence using Core Data on your projects for Apple platforms.
New! Core Data staged migrations
As announced in WWDC23, and very similarly to the way you perform migrations across Swift Data models, you can now define Core Data migrations programmatically using an NSStagedMigrationManager instance.This method works by defining a series of migration steps (called stages) that describe how to migrate across different versions of your model.
A step-by-step guide on how to perform complex Core Data migrations using mapping models and custom migration policies.
How to make an existing Core Data store accessible to widgets without losing any existing data.
How to set up Core Data and Swift Data to use the same data store in your app.