In UIKit you can create keyboard shortcuts by overriding the keyCommands for your view controller, which is an array of UIKeyCommand. A bit of a different approach to how you'd do it with SwiftUI.
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When implementing the large content viewer, UIKit components will usually have a large content title and image configured for you. But if you are developing a custom component, or you want to add info to a native component, you can do so.
Adding keyboard shortcuts in your SwiftUI apps is extremely easy. Just use the .keyboardShortcut(_:) modifier. When pressing and holding the command key, the shortcut will appear in the shortcuts list.
An alternative layout for large font sizes can be provided with Auto Layout by having three sets of constraints (common, default constraints, and alternative constraints) and activate/deactivate them depending on the content size category.
