When I enter webp image to the assets catalog I get warrning: /Users/..../Assets.xcassets The image set "Card-Back" references a file "Card-Back.webp", but that file does not have a valid extension. It works, I see all my images perfect. How can I fix the 200+ warrnings?

Hello, I'm trying to create game in macos with transperent titlebar. The title bar t stay transperent when I click inside, but changed to gray when the window resize or get out of focus. How can I make it stay transperent all the time? I did all of this: window.styleMask.insert(.fullSizeContentView) window.titlebarAppearsTransparent = true window.titlebarSeparatorStyle = .none window.titleVisibility = .hidden window.isMovableByWindowBackground = true window.isOpaque = false window.backgroundColor = .black in the swiftUI view created zstack that start with: var body: some View { ZStack { Color.black.ignoresSafeArea() help please :) Thanks.