Snap works on one machine but not on another - snap - snapcraft.io
For anyone interested in the final outcome and how this was resolved, you may have to infer from your reading here. For reference, what I’ve learned in the process of building this snap, was that you really have to “build it and see” as @popey once mentioned in another place. As you may gather, the last piece of the puzzle was one stage-package (gstreamer1.0-plugins-bad). Just in case it may help you, please see my current/ongoing yaml on Github: