The full list of custom recipes.

Allows using blackstone instead of cobblestone

Convert coal/charcoal to black dye

Craftable cobweb

Craft coral blocks from tubes and fins

Craft blackstone

Nametags can be crafted

Dark prismarine recipe

Craft dispensers with a bow, either inside the bow recipe or with an already-crafted bow

Recipe for horse armor

Smoke leather into hide (takes a very long time!)

Gravel recipe with flint

Realistic stair amounts

Phantom membrane recipe

Dyeable red sand

Slabs to block

Sponge recipe

Stairs to block

Universal dyeing

Unpackable ice

Unpackable nether wart block

Wool to string

Gilded blackstone recipe

Craftable crying obsidian

Use honey for sticky pistons