4K Blu-ray

And it has both 1925 version and 1942 version

Probably. No comparison with French Factoris Films 4K Blu-ray, but former has Dolby Vision and higher bitrate.

For standard Blu-ray, the MoC/Cohen are a 4k transfer https://forum.blu-ray.com/showthread.php?t=112722&page=5

From DVDBeaver: The MoC Blu-ray is scanned from the American A negative, as opposed to the European C or D negatives used by Photoplay and others (Kino Lorber 4K Blu-ray), so it is identical with the film US audiences saw in 1927

See caps for comparison

In addition, the Kino Lorber 4K Blu-ray has sepia tinting throughout while the MoC Blu-ray has yellow for normal scenes, blue for night scenes, and some even green tintings.

Here are some screenshots that include the Cohen Blu-ray and the poor Germany 4K with terrible fake HDR. David’s DV grade is way more subtle and doesn’t blow out the highlights

A new 4K restoration from a 35mm nitrate print from and a 35mm composite duplicate negative.

Spain Universal Blu-ray is from a very soft DVD-era transfer; caps

Criterion 4K Blu-ray is a new transfer by UCLA, with a bit more high end detail

The earlier transfer used on the Spain Universal Blu-ray and MoC DVD is a bit boomy with boosted bass. The 1999 Criterion DVD uses an even earlier transfer with noticable artifacting and less detail.

Spain Universal Blu-ray has older MoC extra "Kent Jones and Dan Sallitt on Trouble in Paradise" with MoC watermark, and no other extras