Arbelos Blu-ray

Carlotta France Blu-ray slightly better than Arbelos US Blu-ray, both are FiM-encodes with tradeoffs. Carlotta is best in dark scenes.

Curzon Britain Blu-ray has squished ARBela Tarr Curzon Collection uses the same bad Curzon Blu-ray

Curzon 4K Blu-ray

Curzon 4K Blu-ray has better encode than Criterion 4K Blu-ray

Curzon 4K Blu-ray/Carlotta Blu-ray. Criterion 4K Blu-ray is worse.

Bela Tarr Curzon Collection

Curzon Blu-ray

Artificial Eye Blu-ray. Cinema Guild Blu-ray is a good alternative (more extras).

Britain > US, not sure France. Britain (Artificial Eye/Curzon) has higher bitrate than US (Cinema Guild) but has boosted gamma (see here: https://slow.pics/c/L9U9r8Es).