Add the variant of stairs, slab, wall, button, pressure plate for each of colored terracotta and remove the glazed terracotta.
Same thing for colored concrete blocks
Add more pressure plate and stone button why is only wood allowed to have buttons? (granite, diorite, andesite, tuff, dripstone (polished or not), smooth sandstone, quartz, prismarine)
Add the elder prismarine to obtain it, you have to cook the block of prismarine in an oven to obtain its counterpart in elder prismarine.
Add big dungeons come in 1.18 but make them rarer