XPages Wiki template for Domino 8.5+
At least downloads of image/x-png and application/pdf ends in Error 500 HTTP Web Server: Command Not Handled Exception Other types are not tested
In Lotus Notes it works
There is an xpage attachment bug when nsf is in a folder. Will look to build a new one soon that works. Otherwise the attachments when used in the content should work fine.
http://www.jmackey.net/groupwareinc/johnblog/johnblog.nsf/d6plinks/XPages-File-Download-Control