ROOter does regualr updates to its firmware with many new features being added all the time. You can check and see if you have the latest firmware from the router's web GUI. An Internet connection is required to do this.
Go to the Status menu and the ROOter Firmware Update submenu.
When you click on the Get Change Log button it goes to the Of Modems and Men web site and gets information on the latest version. This will appear in the Change Log area.
If you wish to download the latest firmware you can go to the Of Modems and Men web site and do so.