Use cache data if the origin source can validate it; otherwise, load from the origin.
SDKs
- iOS 2.0+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Foundation
Declaration
case reloadRevalidatingCacheData = 5
Discussion
Important
Versions earlier than macOS 15, iOS 13, watchOS 6, and tvOS 13 don’t implement this constant.