mahvin (gimpscripts admin) has given me permission to upload Roller updates directly to his server. So the new updates replace the old one. I just checked his site and the Roller version that is downloading is version 1.1. You can always get the Roller files from my github page (gummycowboy). When I post an update, I upload a zip file to github, gimplearn, and gimpscripts, one after the other.
Roller is a WIP. In version 1.11, I'll have added a new Blur Behind function to image properties, and I'll have improved the shadow effect for translucent images. That should be done in a couple of days. I got the idea for the blur behind function as thought it would great for a person making collages (layering translucent images).
Charles