Color Grade and multiple tweaks
https://vimeo.com/1084113719/d604753950?ts=0&share=copy
The comparison doesn’t give justice to the work in the details, the faces, the selective upscaling and all other work that has been done - but it does show you the difference in tone and modernization.
Tattooine is the struggle of most of the modernization process, due to the very dated cameras struggling with light input and focus in the harsh sun. Most of this has been fixed, but will not be easily spotted in this particular preview.