Comment 6 for bug 2016345

> It would be nice to be able to retrofit images from both arm64 and amd64 architectures at the same time.

> Using the source-image enables us to use one or another but not both.

> Perhaps if we could expand on this to map to multiple image sources and read the respective architecture from the respective image.

Yup, this is a current limitation of the current charm. In order to do two different architectures, the retrofit action would need to be run twice with different source-image parameters. I'm going to edit the description to fit. Thanks for the feature request!