# updatedObjects The set of objects registered with the context that have uncommitted changes. ``` var updatedObjects: Set { get } ``` ## Discussion A managed object context does not post key-value observing notifications when the return value of `updatedObjects` changes. A context does, however, post a notification when a change is made, and a notification and a notification before and after changes are committed respectively. ## See Also [`registeredObjects`](/documentation/CoreData/NSManagedObjectContext/registeredObjects) The set of registered managed objects in the context. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)