G-metrix not working in Virb Edit Mac version 3.4.0

In version 3.4.0, G-Metrix no longer works. I'm able to import the gpx file as before, but the data is zero throughout the entire video. This was flawless in the previous version. Not sure what happened. Is there a way to revert back to the previous version? Now I wish I didn't do the upgrade at all. The program is virtually useless to me if I can't get G-Metrix working.
Thanks!