I think I found a bug in the CDN transfer. I ingested a bunch of images that have paths like
However when I edit the image in WordPress and save it I get a bunch of errors in the CDN queue saying it cant find source file:
It seems to be making it's own path up for each file based on the default WordPress setup.
I checked the database and the "_wp_attached_file" metadata is correct; it links to
So W3TC does not seem to pick up on ingested images that are not stored in a default WordPress upload path.