PDF names not shown
I am using Zotero 7. The PDF file names are not shown in the interface. What is shown is just "PDF". What should I do?
https://s3.amazonaws.com/zotero.org/images/forums/u5833314/j5eqkr0lrnroxtai7dbi.png
https://s3.amazonaws.com/zotero.org/images/forums/u5833314/j5eqkr0lrnroxtai7dbi.png
And you can also just double-click on the parent item to open the primary attachment without expanding the parent at all.