Clean and Clear Glass 1.12.2/1.16.5/1.17.1 Resource Pack Overview (OptiFine/Sodium/Continuity mod)
A resource pack that changes the Glass (Clear and Stained) to be more clear (removes the scratches/other details) and with OptiFine allows for connected textures.
3 options to go with quote from link description:
"There is 3 options to get Connected Glass with Clean and Clear Glass :
A. You can use OptiFine for connected glass.
B. You can use Fabric + Fabric API + Continuity Mod for Fabric for connected glass.
C. You can use Fabric + Sodium / Iris Shaders + Fabric API + Continuity Mod for Fabric + Indium for connected glass."
Resource Pack Link:
https://www.curseforge.com/minecraft/...