Set not showing objects

WHAT IS THE BUG

I have a set which should show all objects of type “Documentation” but it isn’t.
I definitely have objects of that type.

HOW TO REPRODUCE IT

No idea.
There are no filters set:

There are no objects shown in the Library for that type:

THE EXPECTED BEHAVIOR

Seeing the objects of that type in the set.

SYSTEM INFORMATION

Linux 0.33.3 / iOS 0.23.4

This report has been added to our issue tracker and received by the Development Team.

Still in 0.35.0
Happy to deliver whatever info is needed, as some Sets are just ampty, this is taking away a lot of functionality for me here.