1080p Upd Link: Irreversible 2002 Dual

Why is the "upd" (upgrade) or high-quality 1080p tag so vital for this specific movie?

In the dark corners of cinema history, few films carry the same weight of visceral dread and technical audacity as Gaspar Noé’s 2002 shockwave, Irreversible . For years, home video releases ranged from grainy DVD transfers to overly compressed early Blu-rays. But recently, a niche restoration has bubbled up from the fan-editing community, labeled simply as the irreversible 2002 dual 1080p upd

A real update will have these specific file properties: Why is the "upd" (upgrade) or high-quality 1080p