Multiple boss health bar
Fighting multiple bosses at once will show multiple health bars.
Tool damage balancing
Now all tools are as good as a sword, but sword still has the most DPS.
Sword AoE effect
Got cornered by mobs? Use your sword! it can now give mobs near you some knockback.
Damage indicator
Every heart of damage is not shown in black hearts when you hit a mob.
Even better command blocks
You can not place a condition for a command block to trigger!