Version 3.1.8 of opReports was released today.

This version includes the following new report types: Grouped Interface Capacity Report, Interface Unicast Packets Report, WAN Utilisation Distribution Report and WAN Utilisation Distribution Summary  Report.
This version also introduces two new options under Sources >> Node Selection: 'by Regular Expression for a Nodes and Interfaces Report per Group' and 'by Regular Expression for Groups, Nodes and Interfaces'.

It can be downloaded here.