How to render Markdown headings in SwiftUI AttributedString?

I've been trying to use the new AttributedString that released with iOS 15 to render Markdown stored in a variable. However, I haven't been able to find a way for it to render markdown headings such as:

# Title 1
### Title 3
###### Title 6

Here's my code:

let description = """
        # Hello World

        Coin coin
        """
let attributed = (try? AttributedString(markdown: description)) ?? AttributedString(description)
return ScrollView {
    Text(attributed)
        .padding(.horizontal)
}

But here's what's displayed in the preview:

Does anyone successfully got them working or is this something impossible to do as of now?