Claw of Jormag: Its wings are no longer removed when it is “forced out of the sky” using the flak cannons.
The Frozen Maw: When portals are destroyed the “boss defeated” music plays. Subsequently, boss music begins as usual, although it is randomly interrupted by regular battle music under unknown circumstances.
Tequatl the Sunless: Music volume reduces significantly while being close to Tequatl. (Not sure if intended)
Whether something is either wrong or right, someone will always complain about it.