Compatibility with high-resolution skins used by mods, like HD Skins:

https://modrinth.com/mod/hd-skins
https://modrinth.com/mod/hdskins

Duplicate, also won't work cause math, look bad and use a terrible amount of performance. Same issue as HD items that get turned auto 3d by the game, just worse cause it's in 3d, not only 2d.