Around 500 new blocks have been added! About half of these can be crafted, and the other half are available via the Creative Inventory. New additions include:
Complete Limestone, Slate, Chalk, and Cooled Magma block sets
Stair and half slabs for Rock, Cloth, Smooth Clay, and Dirt block sets
Gravel and Gravel half slabs for existing rock types
Bronze, Copper, Zinc, and Iron block sets (Creative Mode)
Dead Coral blocks (Creative Mode)
Cybercity blocks (Creative Mode)
Ferns and adjusted Grass block sets
T-junctions and four-way junctions for fences and walls
Many new cloth and tent roof block types, and more!