The Blu-ray will feature 20 minutes of additional footage
http://www.independent.co.uk/arts-entertainment/films/news/star-wars-the-last-jedi-deleted-scenes-blue-ray-dvd-release-date-first-look-length-a8177646.html
Was hoping for a 4 hour edit, but 20 minutes will have to suffice. I'd like to see some extended alien boob milking.