iOS 26, SwiftUI .sheet Background Color has Gray/Green Tint on iPad

On iPadOS 26 (up to beta 7), .sheet backgrounds have a dark green tint on Dark Mode and a gray tint on Light Mode. This is clearly noticeable on both the Canvas/Simulator and a physical device.

Here's a sample View that shows the issue:

import SwiftUI

struct ContentView: View {
    @State private var isPresenting: Bool = false
    var body: some View {
        VStack {
            Image(systemName: "globe")
                .imageScale(.large)
                .foregroundStyle(.tint)
            Text("Hello, world!")
            Button("Show Sheet") {
                isPresenting.toggle()
            }
        }
        .sheet(isPresented: $isPresenting) {
            VStack {
                HStack {
                    Spacer()
                    Button("Cancel", systemImage: "xmark.circle.fill") {
                    }
                    .foregroundStyle(.secondary)
                    .labelStyle(.iconOnly)
                    .buttonStyle(.plain)
                    .contentShape(.circle)
                }
                TabView {
                    Tab("Tab 1", systemImage: "cart") {
                        Text("Hello, tab 1")
                    }
                    Tab("Tab 2", systemImage: "cart") {
                        Text("Hello, tab 2")
                    }
                }
            }
            .scenePadding()
        }
        .padding()
        .preferredColorScheme(.dark)
    }
}

#Preview {
    ContentView()
}

Is this the expected behavior with the new OS? Anyone else seeing this?