OG Ores is the best texture pack for those of youse that don't like the 1.17 textures.
The ore textures come straight from 1.16.4 and will work on the 1.17 snapshot.
Tested in 21w07a.
NOTE:
Even though it says it works on 1.16, it only works on 1.17.
I didn't realise the chicken was in the way lol
