For me I needed to restart Xcode, clean the build folder, make sure the "My Mac (Designed for iPad)" is the selected device, then go to the target's settings screen > Signing & Capabilities, where a button was now visible to "Register Device".
rstew
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for