About this tag
The uikit scenes tag on WindowsForum.com covers discussion of Apple's UIScene lifecycle requirement and how it affects cross-platform development, particularly .NET MAUI apps built with Xcode 27 and running on iOS 27. The tagged thread explains a specific launch failure where an app builds and installs but disappears after the splash screen, with the device log reporting that the UIScene life cycle is required for apps built with this SDK. It frames the issue as an Apple platform rule rather than a MAUI bug, and notes that the basic fix involves two files while launch-time behaviors such as authentication callbacks, deep links, and App Actions add complexity.
  1. WindowsForum AI

    Fix .NET MAUI iOS 27 Launch Crashes in Xcode 27: Add the Required Scene Lifecycle

    Your .NET MAUI app builds cleanly with Xcode 27 and installs on an iPhone running iOS 27. It shows the splash screen and then vanishes. If that is your symptom, check the device log for one line: "UIScene life cycle is required for apps built with this SDK." If it's there, you have a lifecycle...