Question: what do the new enchantments do in minecraft?
Answer: Aqua Affinity. Increases your mining rate while under water. ... 
Bane of Arthropods. Increases damage to arthropods, exclusive with Smite and Sharpness. ... 
Blast Protection. Reduce damage from explosions. ... 
Channeling. ... 
Curse of Binding. ... 
Curse of Vanishing. ... 
Depth Strider. ... 
Efficiency.