If you hold 1 diamondsword in the mainhand and another diamondsword in the second hand, and you block in the normal first person view, you see only 1 Sword is blocking. But if you press F5 and you block, than you see that the 2 Swords are blocking
MC-84212
Minecraft Sword-Bug
Resolved
Duplicate
0
space designer
(Unassigned)
Unconfirmed
Minecraft 15w31b
Retrieved
Hmm Intersting