Sony is acting quickly to make sure owners of its WH-1000XM5 headphones don’t feel left behind after seeing the just-released WF-1000XM5 earbuds gain several new features. (Putting both of those products in the same sentence really hammers home the madness of Sony’s product names, eh?) The company has released a firmware update for the headphones that brings them to parity with the wireless earbuds by introducing support for head-tracking spatial audio. As with the buds, you’l...