Embed and sign any external libs/frameworks to the extension target. The widget will then run without any error. It worked for me perfectly.

Deep linking from widget to parent app is very easy. You just have to configure your small widget with widget URL and other widgets with Link view builder. After doing this, when you tap on your widget or specific tap targets of your widget, your App delegate application: openURL method gets called. Be it swift or objective-C, this method will trigger and you have to handle the logic to show a specific application View controller

Its the video from WWDC 2020 Video is regarding "Broaden your reach with Siri Event Suggestions" Video Tag : wwdc20-10197 Train Reservation timing in the video - 17:20 Trip Reservation timing in the video - 18:11 Hi Claude. here are your details If you had followed WWDC 2020 videos at all, then you would have understood what placeholder views are. I suggest you check out all SwiftUI videos. SwiftUI views have redacted/placeholder views for all the UIElements. In this video, at the above times, demo applications display certain UI. Just curious on how developers at apple have achieved it?