What are the key new features in iOS 7 that developers should focus on?

The key new features in iOS 18 that developers should focus on include:

1. New Controls API: This allows developers to create customizable controls that can be added to the control center, lock screen, or assigned to the action button on the iPhone 15 Pro. These controls can toggle settings, execute actions, or deep link to specific experiences (Platforms State of the Union).

2. Document Launch Experience: Redesigned for document-based apps, this feature provides full control over launch views and supports template document creation, enhancing the user experience when creating new documents (What’s new in UIKit).

3. Updated Tab and Sidebar: Major updates to tabs and sidebars improve navigation and usability within apps (What’s new in UIKit).

4. Fluid Transitions: New fluid transitions across the system make the user interface more delightful and engaging (What’s new in UIKit).

5. App Icons and Widgets Customization: App icons and widgets can now appear in light, dark, or tinted versions, ensuring a consistent visual experience across the home screen. Developers can customize each version to maintain design intent and legibility (Platforms State of the Union).

6. Passkeys: A new registration API makes it easier to transition users to passkeys, which are more secure and user-friendly than traditional passwords (Platforms State of the Union).

7. SwiftUI Enhancements: New custom resizable controls, such as buttons and toggles, can be integrated into the control center or lock screen and activated by the action button. This is facilitated by the new controls API (What’s new in SwiftUI).

8. App Intents: Developers can use app intents to bring core features of their apps to users more seamlessly, allowing for better integration with the device's overall experience (Bring your app’s core features to users with App Intents).

These features collectively enhance the customization, usability, and security of apps on iOS 18, providing developers with powerful tools to improve user engagement and experience.