Developers now can transfer apps that use iCloud

Apple prevented transfer of the applications between developers if the application used iCloud containers or key-value storage. Well, not anymore.

Now Apple allows this kind of application transfer. This provides an opportunities to indie developers to sell their apps to other developers even if they were using iCloud.

Apple Developer: App Store Connect Update

App Store Connect Help: App transfer overview

App Store Small Business program no longer prohibits app transfers

When App Store Small Business program was announced, there were submission rejections related to app transfers made by developers. Apple is now informing developers regarding the change in guidelines essentially allowing app transfers.