I have the same issue with Xcode 26.4 after installing macOS 26.4. What help is (do it at your own risk, no guarantee): Force quit Xcode rm /Library/Developer/CoreSimulator/Images/images.plist Wait 1-2 minutes Launch Xcode You will be able to download the Platform Support Components from Xcode again.

This happens to me when I use side bar menu on iPad. When I tap on an active side bar item second time the app crashes. I fixed the crash by checking if the view controller is already on screen like this: if splitViewController.viewController(for: .secondary) != selectedViewController { splitViewController.setViewController(nil, for: .secondary) splitViewController.setViewController(selectedViewController, for: .secondary) } I hope this information might help someone to fix the issue in similar situation.

I believe I've identified a solution to the issue. When exporting icons from Sketch as PNGs, ensure that the "Save for Web" checkbox is unchecked. Otherwise, Sketch removes metadata from the file, and Xcode doesn't recognize it as Display P3. You may need to click the "Show Options" button to access this checkbox