Almost all vanilla deepslate blocks, including walls, stairs, and slabs can now be crushed to get the cobbled variant of it. You can use two of the same deepslate slab variant, to create the full block of it. Use a cobbled deepslate wall in a crafting table and get two normal cobbled deepslate. It also works with stairs. Crush some deepslate stairs of different types and get cobbled deepslate stairs. Use four cobbled deepslate stairs in a crafting table and get six cobbled deepslate.
