For the CPY version specifically, the cracked executable (.exe) provided in the update package was stable, allowing players to play through the entirety of the campaign, including the "Banned Footage" DLCs (if included in the release), without hitting the progression blockers found in earlier versions.
Beyond content, Update 1.03 addressed several "bugs and issues" to improve the user experience: resident evil 7 biohazard update 103cpy best
You cannot reverse. You cannot accelerate. You must sit and watch. For the CPY version specifically, the cracked executable (