Nothing for textures I'm afraid. AI texture upscalers are so good these days that I hope ZOS at least goes that route, and just throws their entire game into an upscaler to provide an Ultra texture option.

A great visual mod every PC player should be using though is Daybreak, which pushes the atmospheric fog waaaaaaay back without removing it entirely, so the game looks like it was made in the 21st century where draw distances in video games are a thing