TSPDT

https://forum.blu-ray.com/showthread.php?p=21782879#post21782879 - comparison. StudioCanal is a massive improvement to the Criterion but still flawed in some areas (chroma noise)

WB 4K Blu-ray despite extreme frozen grain in moments, overzealous HDR brightness in outdoor sequences, color timing shifts in some shots

But compression is not very good. The two cuts are (by mistake?) separate videos on one disc.

Also see review

It has DCP showings but no Blu-ray releases.

Kino Lorber > Artificial Eye, see review

Only 2022 'Ultimate Collection' has dolby vision. 2022 ‘Ultimate Collection’ also has a higher average bitrate.

(unsure about Criterion, which lacks the 5.1 on the Arrow)

Included in the Complete Kubrick box set with FiM encode of the same master from the Universal release without the filtering.

DTS:X mix on Universal 4K Blu-ray most closely approximates original surround mix

Criterion DVD and Universal 4K Blu-ray has additional features not found on the Criterion 4K Blu-ray

Re:Voir has DVD: https://re-voir.com/shop/en/-david-perlov/61-david-perlov-diary.html 

Criterion Blu-ray uses new restoration and is superior.
Criterion is in 1.66:1, while Curzon UK / Gaumont France was in 1.37:1. Note: Criterion is the original aspect ratio.

DNR-affected, low-res original 2K DI upscaled but strong compression and Atmos