Head on over to the Internet Archive and get yourself a copy of a recently restored version of the film! It looks pretty go so far in my viewing. Hopefully one day a sweet 4K remaster will be released but for now this is the best version we have.
https://archive.org/details/song-of-the-south-1080-2023-restoration-v-29-cc-h-264/page/n8/mode/1up
https://archive.org/details/song-of-the-south-1080-2023-restoration-v-29-cc-h-264/page/n8/mode/1up