Following iPadOS 15.2 release, Swift Playgrounds 4 is now available.
With Swift Playgrounds 4 developers can now build apps on iPad and submit them to App Store Connect. Projects created by Swift Playgrounds 4 could be opened by Xcode on the Mac.
Notably, apps created in Swift Playgrounds could only use SwiftUI as user interface framework. Projects could use SwiftPM for dependency management.
Apple Developer: Swift Playgrounds 4 now available
App Store: Swift Playgrounds
Release notes: Swift Playgrounds Release Notes
Recommendations
Developer:
Try Swift Playgrounds 4 for PoC projects.QA engineer:
Test apps built using Swift Playgrounds 4.PM/DM:
Consider using Swift Playgrounds for presale PoC projects, fast prototyping.