93 new blocks and items were added to Minecraft 1.8 java edition.
Bountiful Update
The Bountiful Update added the ocean monument, along with it's mobs and items. Also introduced lots of adventure mode content and survival adjustments.
Acacia Door
Acacia Fence
Acacia Fence Gate
Andesite
Armor Stand
Barrier
Birch Door
Birch Fence
Birch Fence Gate
Chiseled Red Sandstone
Coarse Dirt
Cooked Mutton
Cooked Rabbit
Creeper Head
Cut Red Sandstone
Dark Oak Door
Dark Oak Fence
Dark Oak Fence Gate
Dark Prismarine
Diorite
Double Stone Slab2
Granite
Iron Trapdoor
Jungle Door
Jungle Fence
Jungle Fence Gate
Polished Andesite
Polished Diorite
Polished Granite
Prismarine
Prismarine Bricks
Prismarine Crystals
Prismarine Shard
Rabbit Hide
Rabbit Stew
Rabbit's Foot
Raw Mutton
Raw Rabbit
Red Sandstone
Red Sandstone Slab
Red Sandstone Stairs
Sea Lantern
Skeleton Skull
Slime Block
Sponge
Spruce Door
Spruce Fence
Spruce Fence Gate
Wet Sponge
Wither Skeleton Skull
Zombie Head
Technical blocks that can't be placed in inventory, can be placed in world by /setblock. Not included in our new block count, as usually a version of an item.
Creeper Wall Head
Player Wall Head
Skeleton Wall Skull
Wither Skeleton Wall Skull
Zombie Wall Head