I don't know the tech terms to properly describe this, but having
having a photo as a background to look at as I type, the photo is
slightly out of focus and has "blotches" that were absent in F18. And,
speaking as a political scientist, if I knew what I was doing, I would
take on gnash, because this is one of the programs I need and it seems
that it is not available for Shrodinger's Cat yet.