Created attachment 17845 [details] sorting of serials See attached. The serial issues are not sorting right if a barcode is missing. They should sort by volume number / received date according to bug 6655 (which was fixed in 3.8.x)
What page does this bug refer to?
The opac details page
I think 6655 is not related here, as it's not referring to the items tab for serials. On your screenshot, I thin the sorting is by itemtype (little arrow in the header column). Also the first item seems to have no library assigned to it? I think that's the reason it shows up first in the list.
This this bug still valid? Can you please test in the bootstrap theme?
From the screenshot I think the problem is a different one, closing WORKSFORME.