Saving the ica file to the Files App and opening it from there no longer works. It was for a few days (here and there) but the update the week of 10/17 apparently removed the seemingly obvious and critical function so that, once again, there is no way to use Citrix on any iOS 13 iPad.
ica file is not associated with the Workspace iOS app. On the iPad which many of our Doctors use to remotely access patient care apps, the. I don’t know what is up with Citrix (or possibly Apple?) but the essential and mission critical tool keeps getting broken and there seems to be little interest from Citrix support in fixing it. Unfortunately no, as of 10/21/19 Workspace does NOT work with iOS 13 either.