[machello13]

No, but they're releasing new frameworks with Swift-only APIs. They're not "jettisoning" Objective-C, and I'm sure teams at Apple will continue to write stuff in Obj-C for years to come. It'll likely never disappear entirely. But that number will continue to shrink.

[Apocryphon]

That's only because WidgetKit uses SwiftUI. Granted, if more and more APIs become reliant on preexisting Swift-only APIs like SwiftUI or Core ML, that certainly leaves Objective-C out of the cutting edge.