Studio Canal 4K restoration Blu Ray
Kino Lorber based on same 2018 master.
https://www.blu-ray.com/movies/Last-Year-in-Marienbad-Blu-ray/206576/
HD trailer https://www.youtube.com/watch?v=p3Tvl1Fuxt8
Older BFI trailer, longer https://www.youtube.com/watch?v=VIdSQ-Hsukk