I actually had to look this up. Currently we don't but apparently we could support it if you upload via the web. Our mobile apps use Expo and the native image picker re-encodes the image.
If you're interested still despite limitations (Ultra HDR Images also won't be seen by many people) I can look into this more.
If you're interested still despite limitations (Ultra HDR Images also won't be seen by many people) I can look into this more.