WorldServer - AIS Property added to a Project Type doesn't appear in Project Creation wizard on the new User Interface, while it is selectable in the Legacy UI

Following the instructions from this article, we have mapped an AIS Property to a TM entry attribute. It works all well when creating a project in the Legacy User Interface. The AIS Property is visible in the Enter additional project information section of the project creation wizard and can be selected:



However, when creating a project in the modern User Interface, we noticed that the newly added AIS Property is missing in the project creation mask:





 

This defect is fixed starting from version 11.7.3. In earlier versions, the workaround is to submit a project using the Legacy User Interface. 

This issue has been identified as defect CRQ-21904.