I took an image and simply changed the canvass size so that I could create more space.
After increasing the canvass size with clear/alpha I exported to both
.jpg and set for the highest standards.
In both cases the image was distorted.
Please note I used the highest quality for exporting. I used no compression when creating the PNG.
I noticed that simply trying to fill the image with white does not work correctly. It is filled with a strange Orange color.
Also "flattening the image" , not sure what this means as the image only has one layer in GIMP creates this strange Orange color background.