This will be huge for productivity apps.
https://betterprogramming.pub/ios-15-attributed-strings-in-swiftui-markdown-271204bec5c1
In the next SwiftUI release, attributed strings will be integrated into the framework, including built-in Markdown support. I have been eagerly waiting for this as this allows for complex styling of the most important element in apps - text. It’s also a vast improvement over the UIKit equivalent. I expect many new productivity apps to appear using this - I can’t wait to start digging myself.