Apple have shipped the shared iPad functionality along side iOS 13.4 to Apple Business Manager
ABM release notes are available here:
This feature has been available in Apple School Manager for some time and has now been made available to enterprises.
Shared iPad must use managed Apple IDs created in an ABM instance, this is where federation with AAD is extremely useful as it removes the overhead of managing Apple IDs in ABM.
Apple Articles on Shared iPad
Shared iPad overview
Prepare Shared iPad
Shared iPad with Managed Apple IDs
Optimizing Apps for Shared iPad
iOS applications will need to be tested to ensure that they work in a shared iPad scenario
Enabling Shared iPad
The shared iPad has to be enabled as part of the DEP profile.
The following key governs this configuraiton
true, tells the device to configure for Shared iPad. Default is false. This key is valid only for Apple School Manager or Apple Business Manager organizations using X-Server-Protocol-Version 2 and later.
Devices that do not meet the Shared iPad minimum requirements do not honor this command. With iOS devices,
com.apple.mdm.per-user-connectionsmust be added to the MDM enrollment profile’s Server Capabilities.
DEP keys are documented here:
I’ll update this article with more information once shared iPad is supported by Intune or Workspace One UEM