• SqlPackage or DacFx Version:
• .NET Framework (Windows-only) or .NET Core:
• Environment (local platform and source/target platforms):

Steps to Reproduce:

1. in fabric or Azure Create a db with an AAD user and this permission GRANT SELECT, ALTER ANY EXTERNAL MIRROR TO [user]"
2. export using sqlpackage
   Expected: exports successfully
   Actual: " Permission set to a value not supported in Microsoft Azure SQL Database v12"

Did this occur in prior versions? If not - which version(s) did it work in?

(DacFx/SqlPackage/SSMS/Azure Data Studio)