This is from my talk "Don't forget about me!" at Swift Heroes '24
Share & Action Extensions https://medium.com/@henribredtprivat/create-an-ios-share-extension-with-custom-ui-in-swift-and-swiftui-2023-6cf069dc1209 https://medium.com/@cmoulinet/ios-share-extension-custom-rules-to-limit-type-or-numbers-of-medias-selected-91ab596d505
Spotlight & Handoff https://www.hackingwithswift.com/quick-start/swiftui/how-to-continue-an-nsuseractivity-in-swiftui https://swiftui-lab.com/nsuseractivity-with-swiftui/ https://betterprogramming.pub/implement-core-spotlight-in-a-swiftui-app-859cb703f55d
AppClips https://developer.apple.com/documentation/app_clips/creating_an_app_clip_with_xcode
Quick Actions https://medium.com/appcent/add-quick-actions-to-swiftui-app-4498df911b93
Message * Outdated for Views but other content is good. https://www.oreilly.com/library/view/ios-10-swift/9781491966426/ch01.html
External Screen https://useyourloaf.com/blog/swiftui-supporting-external-screens/
Notifications https://www.avanderlee.com/swift/rich-notifications/