QR codes can be added to reports. Attached is an example on using it in a simple room list. You can use the XF designer XSLT Code feature and inserting a snippet for generating the code. You can choose what data to create the "message" on, this examples created a link to the dRofus web for the room. The QR code does not show up in XF designer but will show when you run the XSL template in dRofus report service.
Please see the example for more details.