This mod recreates 1.17 and 1.18 for 1.15.2 for forge.
BLOKKE
99
GENSTANDE
126
Blokke
Amethyst Cluster
cavebase:amethyst_cluster
Ametysht Block
cavebase:ametysht_block
Azalea
cavebase:fungal_moss_floor
Azalea Leaves
cavebase:azalea_leaves
Big Drifleaf
cavebase:big_drifleaf
Bronze block
cavebase:bronzeblock
Calcite
cavebase:calcite
Cave Plant
cavebase:cave_plant
Clay Air
cavebase:clay_air
Cobeled Deepslate
cavebase:cobeled_deepslate
Cobeled Deepslate
cavebase:mossy_cobeled_deepslate
Copper Block
cavebase:copper_block
Copper Block Slab
cavebase:copper_block_slab
Copper Block Stairs
cavebase:copper_block_stairs
Copper Ore
cavebase:copper_ore
Copper Ore Deepslate
cavebase:copper_ore_deepslate
Cracked Deepslate Brick
cavebase:cracked_deepslate_brick
Cut Copper Block
cavebase:cut_copper_block
Cut Copper Block Slab
cavebase:cut_copper_block_slab
Cut Copper Block Stairs
cavebase:cut_copper_block_stairs
Deep Air
cavebase:deep_air
Deep Air
cavebase:desert_air
Deepslate
cavebase:deepslate
Deepslate Bricks
cavebase:grimstone_bricks