@destabilizator
- every custom fields needs to be assigned to some categories
- that means custom field is dependand on category
- if no category is selected in search, no custom field is shown as all custom fields are category related
- if you select category, all CFs related to this category are shown
- even if you attach CF to all categories, still it is required to have some category selected
Therefore, no bug there, but it would be nice to have checkbox there "Use globally, not category related"