Annotations
Among Apple’s claims for this new look is greater consistency. But two windows in the same app, both created using SwiftUI, can’t even share a common radius, as shown below in Providable running in macOS 26.2.
Tahoe enforces a rule that everything in the icon must be fitted inside its uniform square with rounded corners, so restricting cues to colours and contents. As a result, the icons of many bundled and other Apple apps have become harder to distinguish in a crowded Dock.