Edit : solved by @SKBubba :
https://www.audiosciencereview.com/forum/index.php?threads/is-hires-flac-from-tidal-really-a-thing.48493/#post-1738451
Hi folks,
About two months ago, Tidal announced the support of "Hires" FLAC for Hi-Fi Plus subscribers. A decision that obviously comes next to the...