From today, the access to the old Power BI Gateway UI have been removed. We can only access to the new PowerBI Gateway UI
And, because of that, we have lost the capability to manage the users being mapped in the Analysis Services connection, to route requests from Azure AD users to the on-premises Active Directory ones, with which it is bases the RLS security of the Microsoft SQLServer SSAS.
You can see that the mapping rules for the initial users appear correctly:
But when scrolling down, all the rest of the mappings seems to disappear, leaving a blank space:
Please fix this. The mapped users cannot be seen and therefore cannot be managed correctly anymore!.