When opened from DITA Maps manager/Editor mode, Insert reference dialog in a DITA map always shows "Topic Reference" only. How to add "KeyDef" element in the "Insert Reference" dialog "Reference Type" dropdown. Current version of Oxygen XML author: 21.

There is no option to insert keydef from the DITA Maps manager or Editor window of the Oxygen XML Author 21. Switching to text mode and adding a XML element is only option. From the documentation, I understand that we can insert keydef from "Insert" contextual menu option. However it is no...

Selecting a root map consisting of key submaps in Oxygen XML author, reusable component window is not listing the keydefs every time. Clearing the cache, reopen Oxygen is populating them.
Do we have any way/option/configurations to fill the window always with keydefs.