Starting with Xcode 27, the lowest IPHONEOS_DEPLOYMENT_TARGET must be 15.0 or it fails to build. The plan is we'll upgrade our minimum version and do auto-migrations, but we should probably also provide a guided message when the build fails in case our migrators fail for some weird reason. See #187741.
Target Integrity (Xcode): The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 13.0, but the range of supported deployment target versions is 15.0 to 27.0.x.
Starting with Xcode 27, the lowest IPHONEOS_DEPLOYMENT_TARGET must be 15.0 or it fails to build. The plan is we'll upgrade our minimum version and do auto-migrations, but we should probably also provide a guided message when the build fails in case our migrators fail for some weird reason. See #187741.