I thought in the past you can almost always enroll the latest release of Apple devices even if you have not upgraded your AirWatch or Workspace ONE to a newer version. Am I correct?
If so, the upcoming ones must have something different that requires such compatibility patch to be installed first prior to enrollment.
Michael: Thanks for the hint. I corrected my post above. Everything works as expected.
Now at 9.2.3_28 and several new iPhones (XS, XS max) enrolled and working