are there breaking ui changes with ios18 for apps which are currently supporting ios15

Generated on 8/5/2024

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Yes, there are several significant UI changes in iOS 18 that could impact apps currently supporting iOS 15. Here are some of the key updates:

  1. Tab Bar and Sidebar Enhancements:

    • The tab bar now shares a safe area with the navigation bar for a more integrated appearance. Items from the navigation bar will automatically move to overflow if there's not enough room to show alongside the tab bar.
    • New syntax in SwiftUI for TabView to make it easier to catch common errors at build time.
    • New API in UIKit to better describe your app hierarchy to UITabBarController (Elevate your tab and sidebar experience in iPadOS).
  2. Document Launch Experience:

    • Redesigned launch experience for document-based apps, enabling them to showcase their distinctive identity with full control over the launch views and design (What’s new in UIKit).
  3. Fluid Transitions:

    • New zoom transition that works with both navigation and presentations, providing a continuously interactive experience (What’s new in UIKit).
  4. Customization Features:

    • App icons and widgets can now appear light, dark, or with a tint. A tinted version of your app icon will automatically be available to users after they upgrade to iOS 18 (Platforms State of the Union).
  5. StoreKit API Changes:

These changes will require updates to your app to ensure compatibility and to take advantage of the new features and improvements in iOS 18.

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