This mod is adds the new features of 1.17, created in mcreator. It requires a decent computer for the generation that implements in the caves. This mod is at version 1.15.2 forge.
Add:
[BLOCKS]
-Amethyst crystal
-Tinted glass
-Drifleaf
-Tuff
-Archeology
-Deepslate
-Copper and its variants
-New minerals
-Moss
-Light fences
-Pollen flower
-Azalea
-Azalea flowers
-Tiera with roots
-Estate
-Light block
-Dripstone
-Amethyst
-Calcite
-Tuff
-Polished Basalt
-Stalactites and stalacmites
-Hard stone
-Sculk blocks (Without the sculk sensor)
-Powder snow
-Copper
-Jungle stone
-Frozen stone
-Toxic mushroom
-Mushroom block and stone
-Mushroom roots
-Minicactus
-Raw mineral blocks
-Bronze
-Eroded emerald and iron ore
-Tin
-Glow Lichen
[Structures]
-Lush Caves
-Dripstone Caves
-Deep Dark Caves
-Mushroom caves
-Ice caves
-Desert caves (only in deserts)
-Miner's house
-Geodas
-Buried ruins
-Cracked Caverns
-Azalea tree
-Iceologer house
[Items]
-Raw minerals
-Fusion sword [made by my brother]
-Amethyst piece
-Copper, tin, bronze ingots
-Bronze armor and tools
-Glow Berry [Food]
-Brushes
[Biomes]
-Mountains with spikes
-New mountains
-New low mountains
-New mountains with trees
-New mountains edge
[Mobs]
-Warden
-Glow Zombie
-Iceologer
-Goat
Instructions to install:
-Download and install forge if you don't have it
-Download the mod
-Open the .minecraft folder
-Go to the mods folder or if there isn't, create one
-Put the mod inside the folder
-Start the game and remember which is the version of the mod
-Enjoy