Apart from a limited set of available target schema attributes from the Sharepoint Online tenant, I wonder if it would be possible to get more attributes available through the connector?
E.g.: by default we now only receive (read-only) 'Account name', 'Name' and 'Work email' as useful attribute values among a few other boolean types, whilst a lot more so called User Profile properties have been defined in the Sharepoint Online Admin Center.
Most interesting are the ones that are define in the Custom Properties section:
Our customer has a requirement to have One Identity provision certain custom property values, as these cannot (!?) be mapped/synced between existing AzureAD accounts and Sharepoint Online (both on the tenant side).