This is the first beta of 1.17.6.0 and it will introduce alot of textures that were simplified.
 <This update was started at April 7, 2021>
 
 Simplified the textures of:
•Rooted Dirt (beta)
•Course Dirt (non-beta)
•Fletching Table (non-beta)
•Smithing Table (non-beta)
•Big Dripleaf (beta)

 Updated the textures of:
 Diamond Block (non-beta)
 Diamond Ore (non-beta)
 Iron Ore (non-beta)
 Gold Ore (non-beta)
 Emerald Ore (non-beta)
 Copper Ore (non-beta)
 Lapis Lazuli Ore (non-beta)
 Coal Ore (non-beta)
 Forcefield Atlas (non-beta)

 
 Others:
 All unsimplified textures inside the resource pack are now moved to a another folder for now.
 Spawn eggs are now renamed, making more like Java Edition.